TCI Scorpio Client

Scorpio Client

User Guide

Manual Number: 0040-8715-15000

Revision L

TCI

SOFTWARE LICENSE

For the TCI Frequency Monitoring Station computer program, Scorpio Server & Scorpio Client, and each item of software documentation describing it (hereinafter called the Licensed Software) delivered to the Customer by TCI for use in the TCI Frequency Monitoring Station. TCI grants to the Customer a non-exclusive, fully paid-up LICENSE TO USE the Licensed Software in the TCI Frequency Monitoring Station with which it is delivered for a license term which is the full life of the equipment, and the customer agrees to be bound by the following terms and conditions:

Customer will not disclose the Licensed Software to any third party unless the Licensed Software has been made public or with the written consent of TCI.

Customer will not duplicate the Licensed Software or any part thereof in any manner except:

(i) Customer may maintain backup copies of the Licensed Software for replacement of a worn or damaged copy, for archive purposes or for purposes of program justification, provided such copies are limited to use with the TCI Frequency Monitoring Station for which the licensed software was sold; and

(ii) Nothing herein shall be deemed to exclude duplication of anything covered by an expired copyright, patent or other statutory form of protection.

Customer will not assign the license to use the Licensed Software to any third party.

Subject to the license, TCI reserves all rights to make public, to publish, to copy, to sell, to license and to execute (perform) the Licensed Software throughout the world, and further reserves all rights presently obtained or hereafter obtained in the nature of copyright, patent or other form of protection throughout the world covering the Licensed Software.

Customer agrees that it shall hold the Licensed Software in confidence for TCI. The Customer further agrees that it shall not make any disclosure of the Licensed Software or any portion thereof (including method or concepts utilized) to anyone except employees of Customer to whom such disclosure is necessary for the use for which rights are granted hereunder. Customer shall appropriately notify each employee to whom any such disclosure is made that such disclosure is made in confidence and must be kept in confidence by him.

Nothing herein grants to Customer the right to sell, lease or otherwise transfer or dispose of the Licensed Software in whole or in part to any third party.

This License to Use is granted effective the date of award for the Supply of the Frequency Monitoring Station.

TABLE OF CONTENTS

Page 1. SPECTRUM MONITORING DESCRIPTION ...1-1 1.1 Spectrum Monitoring Client (Scorpio Client) ...1-1 1.2 Spectrum Monitoring Server (Scorpio Server)...1-2 2. SCORPIO CLIENT BASICS ...2-1 2.1 Client-Server Connections – Scorpio Server...2-1 2.1.1 Interactive Mode...2-1 2.1.2 Scheduled (Calendar) Mode ...2-1 2.2 Scorpio Client-Server Connections- Windows Time Service ...2-2 2.3 Introduction to the Scorpio Client Software...2-2 2.4 Starting the Scorpio Client Software ...2-2 2.4.1 To Start the Scorpio Server, Turn on the Spectrum Processor ...2-2 2.4.2 To Start the Scorpio Client ...2-2 2.5 Menus ...2-3 2.6 Using the Task Bar ...2-6 2.7 Typing and Editing...2-10 2.8 Exiting the Scorpio Client Software and Shutting Down the System ...2-11 2.9 Backing Up and Restoring Files...2-11 2.9.1 Using Backup/Restore ...2-11 2.10 The Scorpio Client Task Management System ...2-11 3. SPECTRUM MONITORING TASKS ...3-1 3.1 Metrics - Task Calendar (Optional)...3-1 3.1.1 Entering Task Items...3-2 3.2 Metrics - Task Results (Optional) ...3-10 4. SPECTRUM MONITORING DEVICE CONTROL ...4-1 4.1 Device Control – Homing DF (Optional)...4-1 4.2 Device Control – Homing FIX (Optional) ...4-4 4.3 Device Control – Monitor Receiver (Optional)...4-6 4.3.1 Antenna Selection Control (Optional)...4-10 4.3.2 Audio Switching (Optional) ...4-10 4.3.3 Remote Audio Monitoring ...4-12 4.3.4 Audio Recording (Optional)...4-13 4.3.5 Audio Playback and Cassette Recording...4-16 4.3.6 Audio Source Selection and Volume Control ...4-17 4.4 Device Control – Pan Display (Optional) ...4-17 4.4.1 Waterfall Display (Optional)...4-19 4.4.2 Spectrogram Plot (Optional) ...4-20 4.5 Device Control - Pushbutton DF/Metrics (Optional) ...4-21 4.5.1 DF Setup...4-22

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4.6 Device Control – Netted DF (Optional) ...4-30 4.7 Device Control – Netted FIX (Optional)...4-32 4.8 Device Control – Field Strength Mapping (Optional)...4-34 4.9 Device Control – Spectrum Analyzer (Optional) ...4-36 4.10 Device Control – Map Management ...4-39 4.10.1 Display and Control...4-39 4.10.2 Map Measurement Functions ...4-39 4.10.3 Printing The Map...4-40 5. SPECTRUM MONITORING TOOLS ...5-1 5.1 Tools – Network Setup...5-1 5.2 Tools – Spectrum Occupancy (Optional) ...5-2 5.3 Tools – Occupancy Results (Optional)...5-7 5.4 Tools – DF Scan (Optional) ...5-11 5.5 Tools – DF Scan Results (Optional)...5-13 5.6 Tools – AVD (Optional)...5-17 5.7 Tools – AVD Results (Optional)...5-19 5.8 Tools - Mission Folders (Optional) ...5-22 6. SPECTRUM MONITORING DIAGNOSTICS ...6-1 6.1 Diagnostics – BIST ...6-1 6.2 Server Workload (Optional) ...6-2 7. SCORPIO SYSTEM ERROR MESSAGES ...7-1 7.1 Troubleshooting Guide...7-1 7.2 BIST Processing Logic...7-3 APPENDIX A DATABASE MANAGEMENT... A-1 Map Maintenance ... A-1 Scorpio Client Database Maintenance... A-4 APPENDIX B SCORPIO ROUTER EXTERNAL INTERFACE (OPTIONAL)... B-1 Message: Connection Request... B-2 Message: Station List Request... B-3 Message: Station List Response ... B-4 Message: Station Connect Request ... B-5 Message: Station Connect Response ... B-5 Message: Bearing Measurement Request... B-6 Message: Bearing Measurement Response ... B-7 APPENDIX C SCORPIO ADMINISTRATION (OPTIONAL) ... C-1 APPENDIX D TCI LICENSE FILE DATA FORMAT AND REQUIREMENTS ... D-1 License File Format... D-1 Creating a License File Using Microsoft Excel... D-2 APPENDIX E TCI SERVICE BAND FILE DATA FORMAT AND REQUIREMENTS... E-1 Service Band File Format... E-1 APPENDIX F SCORPIO CLIENT REPORTS SETUP AND CONFIGURATION ... F-1 APPENDIX G SYSTEM SPECIFICS ...G-1

LIST OF FIGURES

Page Figure 1-1 Basic Configuration Block Diagram ...1-1 Figure 2-1 The Scorpio Client Opening Window ...2-3 Figure 2-2 Scorpio Client File Menu ...2-3 Figure 2-3 Scorpio Client View Menu...2-4 Figure 2-4 Scorpio Client Mode Menu ...2-4 Figure 2-5 Scorpio Client Help Menu...2-5 Figure 2-6 About Scorpio Client Screen...2-5 Figure 3-1 Task Calendar Window...3-2 Figure 3-2 Scorpio Client Task Calendar Measurement Tab...3-4 Figure 3-3 Scorpio Client Task Calendar Bandwidth Tab...3-5 Figure 3-4 Scorpio Client Task Calendar Modulation Tab...3-6 Figure 3-5 Scorpio Client Task Calendar Field Strength Tab...3-7 Figure 3-6 Scorpio Client Task Calendar Frequency Tab ...3-8 Figure 3-7 Scorpio Client Task Calendar Direction Tab ...3-9 Figure 3-8 Scorpio Client Task Calendar Tasking Options Tab...3-10 Figure 3-9 Scorpio Client Task Results Data Screen...3-11 Figure 3-10 Scorpio Client Signal Measurement Text Report Screen...3-13 Figure 3-11 Scorpio Client Signal Measurement Plot Results Data Screen ...3-14 Figure 3-12 Scorpio Client Signal Measurement Polar Results Data Screen ...3-15 Figure 4-1 Scorpio Client Homing DF ...4-2 Figure 4-2 Scorpio Client Homing FIX Screen ...4-5 Figure 4-3 Scorpio Client Monitor Receiver Screen...4-7 Figure 4-4 Scorpio Client Audio Switch Setting Screen ...4-11 Figure 4-5 Scorpio Client Audio Recorder Dialog Box...4-13 Figure 4-6 Scorpio Client Set Recording Wave File Format ...4-15

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Figure 4-11 Pushbutton DF/Metrics Screen...4-27 Figure 4-12 Scorpio Client Map Display Screen (available with the Pushbutton DF/Metrics)...4-28 Figure 4-13 Pushbutton Metrics Setup...4-29 Figure 4-14 Scorpio Client Netted DF Screen ...4-31 Figure 4-15 Scorpio Client Netted FIX Screen...4-33 Figure 4-16 Field Strength Mapping...4-35 Figure 4-17 Scorpio Client Spectrum Analyzer Screen ...4-37 Figure 4-18 Scorpio Client Map Display Screen ...4-39 Figure 5-1 Scorpio Client Network Setup Station Selection ...5-1 Figure 5-2 Scorpio Client Spectrum Occupancy Screen...5-4 Figure 5-3 Scorpio Client Spectrum Occupancy Results Screen ...5-8 Figure 5-4 Scorpio Client Direction Finding Scan Screen...5-11 Figure 5-5 Scorpio Client Direction Finding Scan Results Screen...5-14 Figure 5-6 Scorpio Client AVD Screen ...5-17 Figure 5-7 Scorpio Client AVD Results Screen ...5-19 Figure 5-8 Scorpio Client Mission Folders Screen ...5-22 Figure 6-1 Scorpio Client BIST Status Dialog Box...6-1 Figure 6-2 Server Workload Screen...6-2 Figure B-1 Remote DFLS Subnet... B-1 Figure C-1 Scorpio Admin Main Screen ... C-1 Figure C-2 Admin Access Database for Netted DF Audio Screen ... C-2 Figure C-3 Scorpio Admin Query Netted DF Screen ... C-3 Figure C-4 Scorpio Admin Netted DF Screen ... C-4 Figure C-5 Scorpio Admin Map Display Screen ... C-5 Figure C-6 Detailed view of Scorpio Admin Map Screen ... C-6 Figure C-7 Scorpio Client Database Query Audio Files Criteria Screen... C-7 Figure C-8 Scorpio Admin Audio Files Database Information Screen ... C-8 Figure C-9 Scorpio Admin Configure Client Screen ... C-9 Figure C-10 Scorpio Admin Query DF Request/DF Response Screen ... C-10

LIST OF TABLES

Page Table 2-1 Scorpio Client File Menu Item Descriptions ...2-4 Table 2-2 Scorpio Client View Menu Item Descriptions...2-4 Table 2-3 Scorpio Client Mode Menu Item Descriptions...2-4 Table 2-4 Scorpio Client Status Bar Indicator Item Descriptions...2-5 Table 2-5 Task Bar Item Descriptions ...2-7 Table 2-6 Scorpio Client Keyboard Editing Commands ...2-10 Table 3-1 Task Calendar Window Field/Button Item Descriptions...3-2 Table 3-2 Scorpio Client Calendar Box Color Descriptions...3-3 Table 3-3 Scorpio Client Task Calendar Measurement Tab Field/Button Item Descriptions ...3-4 Table 3-4 Scorpio Client Task Calendar Bandwidth Tab Field/Button Item Descriptions ...3-6 Table 3-5 Scorpio Client Task Calendar Modulation Tab Field/Button Item Descriptions ...3-7 Table 3-6 Scorpio Client Task Calendar Field Strength Tab Field/Button Item Descriptions ...3-8 Table 3-7 Scorpio Client Task Calendar Frequency Tab Field/Button Item Descriptions ...3-8 Table 3-8 Scorpio Client Task Calendar Direction Tab Field/Button Item Descriptions ...3-9 Table 3-9 Scorpio Client Task Calendar Tasking Options Tab Field/Button Item Descriptions...3-10 Table 3-10 Scorpio Client Task Results Data Screen Field/Button Item Descriptions ...3-12 Table 4-1 Scorpio Client Homing DF/Map Display Field/Button Item Descriptions ...4-3 Table 4-2 Scorpio Client Homing FIX Screen Field/Button Item Descriptions ...4-5 Table 4-3 Scorpio Client Monitor Receiver Field/Button Item Descriptions ...4-7 Table 4-4 Scorpio Client Audio Switch Field/Button Item Descriptions ...4-11 Table 4-5 Scorpio Client Audio Recorder Menu Descriptions ...4-14 Table 4-6 Scorpio Client Audio Record Field/Button Item Descriptions...4-14 Table 4-7 Scorpio Client Set Recording Wave File Format Field/Button Item Descriptions...4-15 Table 4-8 Scorpio Client Wave File Format Field/Button Item Descriptions ...4-16 Table 4-9 Scorpio Client Pan Display Field/Button Item Descriptions ...4-18 Table 4-10 Scorpio Client DF Setup Field/Button Item Description...4-22

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Table 4-15 Scorpio Client Map Display Field/Button Item Description ...4-28 Table 4-16 Pushbutton Metrics Setup Field/Button Item Description...4-30 Table 4-17 Scorpio Client Netted DF Field/Button Item Descriptions...4-31 Table 4-18 Scorpio Client Netted FIX Field/Button Item Descriptions ...4-34 Table 4-19 Field Strength Mapping Display Field/Button Item Descriptions ...4-35 Table 4-20 Scorpio Client Spectrum Analyzer Field/Button Item Descriptions ...4-37 Table 4-21 Scorpio Client Map Display Field/Button Item Descriptions...4-40 Table 5-1 Scorpio Client Network Setup Station Selection/Map Display Field/Button

Item Descriptions ...5-1 Table 5-2 Scorpio Client Spectrum Occupancy Field/Button Item Descriptions ...5-5 Table 5-3 Scorpio Client Spectrum Occupancy Results Field/Button Item Descriptions ...5-8 Table 5-4 Scorpio Client Direction Finding Scan Field/Button Item Descriptions ...5-11 Table 5-5 Scorpio Client Direction Finding Scan Results Field/Button Item Descriptions ...5-14 Table 5-6 Scorpio Client AVD Field/Button Item Description ...5-18 Table 5-7 Scorpio Client AVD Results Field/Button Item Description ...5-20 Table 5-8 Scorpio Client Mission Folders Field/Button Item Descriptions...5-22 Table 6-1 Scorpio Client BIST Field/Button Item Descriptions...6-1 Table 6-2 Server Workload Field/Button Item Description...6-3 Table 7-1 Scorpio Client Error Messages Symptom/Solution ...7-1 Table A-1 MapInfo Database Table... A-1 Table B-1 Message Structure Data Types... B-2 Table B-2 Connection Request Message Contents ... B-3 Table B-3 The Station List Request Message ... B-4 Table B-4 The Station List Response Message ... B-4 Table B-5 The Station Connect Request Message... B-6 Table B-6 The Station Connect Response Message ... B-6 Table B-7 The Bearing Measurement Request Message ... B-7 Table B-8 The Bearing Measurement Response Message... B-8 Table C-1 Scorpio Admin Main Screen Field/Button Item Descriptions ... C-1 Table C-2 Scorpio Access Database for Netted DF Audio Field/Button Item Descriptions ... C-2 Table C-3 Scorpio Admin Query Netted DF Field/Button Item Descriptions... C-3 Table C-4 Scorpio Admin Netted DF Screen Field/Button Item Descriptions... C-4

Table C-5 Scorpio Admin Netted DF Map Display Field/Button Item Descriptions ... C-6 Table C-6 Scorpio Client Query Audio Files Field/Button Item Descriptions ... C-7 Table C-7 Scorpio Admin Audio Files Database Information Field/Button Item Descriptions ... C-8 Table C-8 Scorpio Admin Configure Client Screen Field/Button Item Descriptions... C-9 Table C-9 Scorpio Admin Query DF Request/DF Response Field/Button Item Descriptions ... C-10 Table D-1 License File Fields... D-1 Table E-1 Service Band File Fields ... E-1

1. SPECTRUM MONITORING DESCRIPTION

TCI Model 700-series Spectrum Monitoring System (Scorpio) provides a compact, fully integrated system, for monitoring and analysis of radio transmission. Depending on the configuration, frequency coverage is from 20 MHz to 3 GHz; or optionally from 9 kHz to 3 GHz.

Scorpio can operate in various configurations ranging from a single site, mobile or fixed, to a nation-wide network with multiple operators tasking multiple fixed and/or mobile systems. This capability is achieved through the use of Client/Server architecture, and through built-in networking capacity. Network communications between clients and servers are established using industry standard TCP/IP protocol.

In a basic configuration, the TCI Model 700-series consists of one Scorpio Measurement Client (Scorpio Client) and one Scorpio Measurement Server (Scorpio Server), shown in Figure 1-1. In this configuration, the system can be installed in a vehicle, or at fixed site.

Figure 1-1 Basic Configuration Block Diagram

1.1 Spectrum Monitoring Client (Scorpio Client)

Scorpio Client is a software application that requires a computer with a Windows operating system. This software provides an operator with an interface to the measurement Server (Scorpio Server). The interface includes all functions necessary to request measurements and to receive and analyze the results.

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This approach is well suited for systems where the communication link between Scorpio Client and Server is intermittent, as in the case of network communications via cellular phone links.

1.2 Spectrum Monitoring Server (Scorpio Server)

The Scorpio Server consists of a software application that runs on a TCI Spectrum Processor. The Spectrum Processor performs the entire signal processing using digital signal processing (DSP) technology. The Spectrum Processor is a VME based system with an embedded PC/AT controller, DSP processor, A/D converters, VHF/UHF RF downconverters and ancillary equipment. The frequency coverage of the Spectrum Processor is 20 MHz to 3 GHz and it can be extended down to 9 kHz with the additional TCI Model 8412 RF unit.

Scorpio Server software was designed for unattended operation, and automatically initializes and starts operation when power is applied. Scorpio Clients access Scorpio Server resources through LAN/WAN connection using the TCP/IP protocol. Scorpio Server allows multiple clients to time-share server measurement resources. All client requests are entered in Scorpio Server calendar, and executed at the requested time. In the event of scheduling conflicts, the Server resolves them as described later in this manual.

2. SCORPIO CLIENT BASICS

The Scorpio Client software operates in different ways depending on the state of the network connection to a Scorpio Server. When a Scorpio Client is not connected to a Scorpio Server, its operation is limited to review of the measurement results that have already been retrieved from a Server. Once Scorpio Client is connected to a Server, it can request new measurements and retrieve the results.

The Scorpio Server software provides two network connections, one for the "Interactive" mode, and the other for "Scheduled" measurements. A third network connection is provided by the Windows operating system, which provides time service between Scorpio Server and Clients so that the applications are synchronized.

2.1 Client-Server Connections – Scorpio Server

Scorpio Client software connects with the Scorpio Server in two modes: • Interactive mode

• Scheduled mode

These two modes support all Clients’ signal monitoring and measurement activities.

2.1.1 Interactive Mode

Interactive mode allows direct interaction with various functions that provide instantaneous feedback such as monitor receiver tuning, demodulation selection and pan-display selection. Scorpio Server software allows only one interactive Scorpio Client connection at a time.

2.1.2 Scheduled (Calendar) Mode

When Scorpio is used in Scheduled mode, a calendar feature in Scorpio Client will attempt to reserve time slots on Scorpio Server for each measurement the operator schedules. A single Scorpio Server is able to handle requests from multiple Scorpio Clients.

If more than one request for a specific time slot is received by Scorpio Server, the request will be handled in one of three ways, depending upon the type of request and its priority:

• Bump the request already scheduled in that time slot. If a request with a higher priority, such as Pushbutton DF/Metrics, Homing DF, or Netted DF, is scheduled at a time

• Be scheduled into the closest time slot +/- 5 minutes. • Be returned to the operator with an error message.

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2.2 Scorpio Client-Server Connections- Windows Time Service

The time on Scorpio Client and server must be synchronized to provide (calendar) scheduled events. This is achieved by setting Scorpio Client computer time to Scorpio Server time via the Daytime service available under the Windows operating system.

2.3 Introduction to the Scorpio Client Software

The Scorpio Client application is of a modular design developed for use in many different environments and system configurations. Features are enabled or disabled dependent upon what options have been included for your organization.

This Scorpio Client Software Users Guide has been written to discuss all of the possible features of the Scorpio Client application. Menu options, Taskbar features, and Dialog boxes will change, be enhanced or restricted to accessing only options that have been included in your specific system configuration.

2.4 Starting the Scorpio Client Software

The Scorpio Server must be in operation prior to starting the Scorpio Client. This allows processing time for the Scorpio Client start sequence and validation of the user ID and password. After Scorpio Server is started, allow ten minutes for full initialization.

The following steps show the desired start-up sequence: 1. Power-up the Scorpio Server

2. Wait 10 minutes for the GPS to acquire and the software to load and initialize. 3. Power-up the Scorpio Client according to instruction 2.4.2.

4. Enter User ID and Password, if asked.

#

2.4.1 To Start the Scorpio Server, Turn on the Spectrum Processor Turn on Scorpio Server computer.

Allow 10 minutes for software boot and GPS lock.

2.4.2 To Start the Scorpio Client

2. Type your user ID on the login screen, if asked.

3. Type your password on the login sheet. Your password can contain up to 14 characters and is case sensitive, if asked.

4. From the Task Bar, select Start Æ Programs Æ Tcibr Æ Scorpio Client or double click the short cut icon, if provided.

5. A "Select Language" dialog box may appear. Select language of choice. The Scorpio Client opening screen appears (Figure 2-1).

Figure 2-1 The Scorpio Client Opening Window

2.5 Menus

The Scorpio Client groups commands in pull-down menus located on the menu bar. Menus can be accessed with either the mouse or the keyboard.

Menu Bar

Task Bar

Status Bar Title Bar

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Table 2-1 Scorpio Client File Menu Item Descriptions

Menu Item Description

Exit Use this command to close the Scorpio Client application.

Figure 2-3 Scorpio Client View Menu

Table 2-2 Scorpio Client View Menu Item Descriptions

Menu Item Description

Status Bar Selecting this menu item alternately displays and hides the Status Bar. The

elements of the Status Bar are described in Table 2-4.

Figure 2-4 Scorpio Client Mode Menu

Table 2-3 Scorpio Client Mode Menu Item Descriptions

Menu Item Description

On-line, Off-line (optional)

Selecting this menu item alternately sets the application in on-line and off-line operating modes. Scheduling measurements can only be done while on-line; review of (already retrieved) measurement data from any server can only be done while off-line. The current operating mode is also shown.

Figure 2-5 Scorpio Client Help Menu

Selecting About Scorpio Client from the Help Menu displays the program revision and copyright notice (Figure 2-6).

Figure 2-6 About Scorpio Client Screen

Table 2-4 Scorpio Client Status Bar Indicator Item Descriptions Indicator Description Ready Displays Scorpio Client activity status.

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Table 2-4 Scorpio Client Status Bar Indicator Item Descriptions Indicator Description

Down/UP/Connecting… Status of Scorpio Client connection to the Measurement _{Service. This indicator displays:}

Down Connection Down

UP Connection Achieved

Connecting Connection in the process of being

Established

The left area of the Status Bar describes actions of menu items as you use the arrow keys to navigate through menus. This area also displays messages that describe the actions of Task Bar buttons as you ‘click’ them. If after viewing the description of the Toolbar button command you wish not to execute the command, then move the pointer off the Task Bar button and release the mouse button. The right area of the Status Bar indicates which of the previous keys are currently in use.

#

"X"

Status of time synchronization of the measurement service.

Not connected to any time service Scorpio Client is not connected to the Scorpio Server.

System time adjusted by “X” secs. Scorpio Client computer’s system time has been changed to be synchronized with the connected Server’s system time.

On-line/Off-line (optional)

Indicates the current operating mode, whether on-line or off-line.

Time The current system time. Date The current system date.

2.6 Using the Task Bar

Table 2-5 describes the "Task Bar" buttons available to the Spectrum Monitoring system. The Task Bar is displayed on the left side of the Scorpio Client application window. There are Tool bar buttons that display portions of the application. The buttons are shown in Table 2-5 along with descriptions for each task. When in Scorpio Client, click on the appropriate button for the task you need to perform.

Table 2-5 Task Bar Item Descriptions Task Bar Item Description

Metrics: Task Calendar

• The Task calendar is used to create and store a measurement assignment request.

Task Results

• The Task Results folder allows the user to display the results received on the currently selected Spectrum Monitoring Task.

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Table 2-5 Task Bar Item Descriptions Task Bar Item Description

Device Control: Homing DF

• The Homing DF function allows the user to make continuous Direction Finding (DF) measurements to determine the direction of arrival or azimuth of a signal of interest. The mobile station uses Homing DF along with GPS to locate signals of interest.

Homing FIX

• Homing FIX processes the Line of Bearing (LOB) data obtained from each Homing DF measurement location and calculates the position on the transmitted signal.

Monitor Receiver

• The Monitor Receiver provides interactive control of the receiver unit.

Pan Display

• The Pan Display shows three types of X-Y plots of Amplitude vs. Frequency and is used to view signals as they relate to the radio spectrum.

Netted DF

• Netted DF button sends and returns DF request data from two or more sites for establishing a Netted FIX. Results from the DF request are shown on a map previously installed in the Scorpio Software.

Netted FIX

• Netted FIX is calculated from Netted DF request results from both local and remote sites. The DF results are used to perform the FIX calculation when valid LOBs are returned from at least two different sites.

Pushbutton DF/Metrics

• Pushbutton DF is used to collect DF information at the push of a button. This function can optionally collect metrics information such as frequency, modulation, field strength and bandwidth.

Spectrum Analyzer

• The Spectrum Analyzer is used to view a wide (or narrow) range of the frequency spectrum.

Field Strength Mapping

• Field Strength Mapping is used to measure and display field strength across frequencies over a geographical area. This feature can only be used with a mobile station.

Table 2-5 Task Bar Item Descriptions Task Bar Item Description

Tools:

Network Setup

• Network Setup allows the user to set up connections to Scorpio Server, which also gives the user access to configure the map of the area of interest.

DF Scan

• DF Scan screen allows the operator to scan either single or multiple DF frequencies

DF Scan Results

• The DF Scan Results screen provides all of the DF data required to evaluate target transmissions. This is the standard display for non-homing mode or multi-station DF.

Spectrum Occupancy

• Spectrum Occupancy gathers information on long time usage of the frequency spectrum and helps to identify frequencies that are free from interference.

Occupancy Results

• The Occupancy Results presents the information gathered by Spectrum Occupancy.

Automatic Violation Detection (AVD)

• The AVD screen allows the user to enter a range of frequency to be measured.

AVD Results

• The AVD Results screen determines whether the frequency transmission is compliant, non-compliant, not found (signal not found) or unlicensed.

Mission Folders

• Mission Folders stores reports generated by: Task Results, DF Scan Results, Occupancy Results and AVD Results.

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Table 2-5 Task Bar Item Descriptions Task Bar Item Description

Diagnostics: BIST

• The BIST Status screen allows the operator to perform BIST (Built In Self Test) and obtain BIST status on the Spectrum Processor.

Server Workload

• The Server Workload screen allows the operator to view the tasks that are scheduled, running, or suspended for the selected server, then make an informed decision for using that server.

2.7 Typing and Editing

The Spectrum Monitoring system uses standard typing and editing features, including copy and paste. When you type text, use either the keyboard or mouse to move the insertion point, as with any standard word processor, such as Microsoft Word for Windows. To move the insertion point with the mouse, simply point and click. Table 2-6 describes the most useful keyboard movement commands and other editing commands.

Table 2-6 Scorpio Client Keyboard Editing Commands Press This Key To Do This

Í Î Ï Ð Move one character or line in the direction the arrow key points.

Ctrl + Í or Î Move one word to the left or right.

Ctrl + Home Move to the top of the document. Ctrl + End Move to the bottom of the document. Shift + Arrow key Select text in the direction of the arrow.

Delete Delete the character to the right of the insertion point. Backspace Delete the character to the left of the insertion point. Ctrl + Delete Delete the text to the end of the line.

Ctrl + X Cut the selected text item. Ctrl + C Copy the selected text item. Ctrl + V Paste the selected text item. Ctrl + Z Undo the last action.

2.8 Exiting the Scorpio Client Software and Shutting Down the System

To power down Scorpio Client, you must first exit the Spectrum Monitoring system and then Windows. Choose File Æ Exit from the main menu to exit the Scorpio Client. A dialog box will then appear with the message "Do you really want to quit the Scorpio Client Application?" Click [Yes] to exit.

,

Click on the <Start> button then Select Shut Down. You are then presented with the Dialog box selection to "Shut Down Computer." Click Shut Down Computer and click on Yes. The system performs an orderly shutdown and you may turn off Scorpio Client computer.

NOTE: Be sure to leave the Spectrum Monitoring system measurement Server equipment powered on. Scheduled measurements cannot be run unless the equipment is accessible to Scorpio Server.

2.9 Backing Up and Restoring Files

Spectrum Monitoring databases should be backed up regularly according to a preset schedule. Use the Microsoft Windows Backup program that is accessed from Start Æ Programs Æ Administrative Tools (or equivalent) menu. All files from the following files should be backed up every day:

• Scorpio Client Computer – c:\Program Files\TCIBR\Scorpio Client\Database • 8067A Computer – c:\Program Files\TCIBR\Scorpio Server\Measurement Database • Server Model other than the 8067A – c:\Documents and Settings\All Users\Application

Data\TCI\Scorpio\Measurement Database. You may first have to show hidden files and folders.

2.9.1 Using Backup/Restore

You can use Backup to back up files on your hard disk. You can back up files to floppy disks, a tape drive, or another computer on your network. If your original files are damaged or lost, you can restore them from the backup. To start the Backup/Restore process:

• You can also start Backup by clicking, Start Æ Programs, Æ Accessories, Æ System Tools (or equivalent) and then clicking Backup.

• For information about how to use Backup, click the Windows Help menu in Backup.

In the event that a file becomes corrupted, follow the Microsoft Windows Restore process to replace the corrupted file with a previously backed up version of the file.

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completion stores the data until it is requested by Scorpio Client application. Scorpio Client application can then request the data from the task management system at any time after the completion of the measurement.

3. SPECTRUM MONITORING TASKS

Part of using the Spectrum Monitoring system is understanding the capabilities of the system. This chapter introduces you to some of the features you can use to effectively monitor the radio frequency spectrum. You’ll also learn how to perform the basic functions of the system, such as adding and/or modifying Spectrum Monitoring Task. The application includes a Taskbar for function selection. These buttons can be used for quick access to common system functions. Functions are grouped logically with helpful icons to aid the operator in the proper selection.

Before any Task can be performed, Client must connect to a measurement Server using Network Setup under the Taskbar Tools item.

3.1 Metrics - Task Calendar (Optional)

A Spectrum Monitoring Task is typically initiated in response to a need. The Task is created in a calendar called a Task Calendar. This entry contains information related to the particular Task assignment and consists of instructions, notes, measurement setups, and results. The Scorpio Client performs two types of measurements: interactive and scheduled. Each type of measurement provides unique advantages.

Interactive measurements provide access to equipment available in the system for specific monitoring applications so that you can:

• Perform real-time signal analysis • Pre-scan the frequency spectrum • Listen to Signal interference

Scheduled measurements give you the ability to operate the Spectrum Monitoring system unattended. This feature allows the user to:

• Capture and document important signal information • Not miss important spectral events

• Coordinate monitoring around the clock • Monitor the spectrum 24 hours a day

• Take measurements via automated computer

• Free the operator to follow up on measurement results

In addition, multiple types of measurements can be performed in sequence on different bands and at different times.

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• Bandwidth Measurements

• Spectrum Occupancy Measurements • Direction Finding Measurements

3.1.1 Entering Task Items

Task items include measurement setups, and measurement results. When you enter a Task, you always have the opportunity to give it an identifying name. Once entered, each item is placed into the Task Calendar and is viewed from the main Task Calendar screen.

Figure 3-1 Task Calendar Window

Table 3-1 Task Calendar Window Field/Button Item Descriptions Field/Button Item Description

Hour Increment Bar (12a to 12a) _{This display bar shows Tasks that have been scheduled into a}

particular time slot. This is to display all Tasks the have been scheduled to run within the entire 24 hour period of the day. The marker color relates to the status of the Task performed.

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5 Minute Increment Task list with Scroll Bar

This display region shows a limited amount of 5-minute intervals for scheduled measurements being performed. The user may scroll up or down to display any 5-minute period of the day. Desired measurement Tasks are listed with the identification assigned to them and a colored box that displays the Tasks status.

Any stored Tasks can be reopened and modified. The Spectrum Monitoring system provides a quick way to delete, modify, or find a Task.

NOTE: Scheduled DF Measurements (calendared events) will only be displayed for the currently connected Server. Only one Server will be connected at any one time for Scheduled events.

Entries are made to the calendar by selecting the desired day/time and entering specific measurement requirements into the customization tabs and then clicking on <Schedule>, located on the "Measurement" tab. The item entry tabs are discussed below in Table 3-2 through Table 3-9. Placing a check mark into the box displaying the type of customization desired gives the user access to the additional customization tabs.

In addition to listing the scheduled Task items, the Task software indicates the item status as follows:

Table 3-2 Scorpio Client Calendar Box Color Descriptions Task Calendar Box Color Description

Blue “Task” is currently being sent to the Spectrum Processor. Red “Task” Request has not been sent to; or “Task” Result

confirmation has not been received from the Spectrum Processor.

Green “Task” has been received and scheduled for completion by the Spectrum Processor.

Yellow “Task” should have been run but confirmation of Task Results has

not yet been received from the Spectrum Processor.

Grey “Task” Results have been successfully retrieved from the

Spectrum Processor and are available for examination.

Red check Mark “Task” is currently selected for viewing or editing.

Optionally, the Task Calendar is capable of identifying and displaying externally generated measurement results. As an example consider SHF measurements generated from an external Spectrum Analyzer, where the measurements are stored in files. These files can be loaded and viewed in an external measurement viewer.

An externally generated measurement result is given the label "EXT" to identify it as an external measurement. Each external measurement is numbered 1, 2, 3… in the Task Calendar, indicated with "-n" that appears to the right of the "EXT." The filename used by the operator when saving this file appears in parenthesis to the right of the number identifier. For example, two external measurements may be labeled "EXT-1 (filename1.bmp)" and "EXT-2 (filename2.gif)."

External measurement files placed in a subdirectory "External" will be located by the Scorpio software and will appear in the Task Calendar window based on the date/time of the saved file.

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3.1.1.1 Measurement

Central to each scheduled Task, are the measurements you perform to gather required information. When you enter a scheduled Task, you must specify the following basic characteristics:

• Center frequency • Bandwidth

• An identifying name

One or more of the following characteristics must be selected for measurement: • Occupied bandwidth

• Modulation • Field strength • Frequency • Direction

Figure 3-2 Scorpio Client Task Calendar Measurement Tab

Table 3-3 Scorpio Client Task Calendar Measurement Tab Field/Button Item Descriptions Field/Button Item Description

Frequency Allows the user to enter the center frequency you want to measure in this

field.

Bandwidth Allows the user to enter the necessary bandwidth for the modulation mode of

the signal you want to measure in the Bandwidth field.

NOTE: Bandwidth values inconsistent with selected de-modulation mode will yield inaccurate results.

Identity Allows the user to enter a value for identifying the signal to be measured. Antenna Allows the user to specify which antenna, from a list of available antennas, to

be used for the metrics measurements. Note that the reference antenna is always used for the Direction measurements, regardless of antenna selection.

Table 3-3 Scorpio Client Task Calendar Measurement Tab Field/Button Item Descriptions Field/Button Item Description

Station Name When in "On-line" mode, this shows the currently connected Measurement

Server and cannot be changed. When in "Off-line" mode, all defined Measurement Servers are listed and can be selected. Any previously retrieved measurements can be reviewed.

Schedule

(D) – Delayed (I) – Immediate

The <Schedule> button allows you initiate the Task measurement to be scheduled and will contain all parameters that have been specified with the use of the additional tabs.

Clear Clears the entries in all tabs of the currently selected Task.

Remove Removes the currently selected Task from the schedule. If you inadvertently create an unnecessary Task, or if you no longer need the Task, you can easily delete it from the mission list.

Check Boxes: Bandwidth Modulation Field Strength Frequency Direction

These are toggle switches that allow the user to gain access or remove access to the additional entry tabs that are available. Placing a check mark into the box by clicking on it gives the user access to that entry tab.

3.1.1.2 Bandwidth

The "Bandwidth" measurement reported by the signal measurement helps you identify over-modulated signals and also helps you identify the type of signal you are monitoring. The measurement works for all signal types including AM, FM, SSB.

Bandwidth measures the occupied bandwidth of the signal. You can select the one of the following bandwidth analysis methods:

• Beta %dB - measures the occupied bandwidth using the β 99% method • xdB - measures the occupied bandwidth using the x-dB method

• Averaging Method - provides options by which to average the measurement data • Measurement Time – provided optional Dwell and Repeat times.

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Table 3-4 Scorpio Client Task Calendar Bandwidth Tab Field/Button Item Descriptions Field/Button Item Description

Beta %dB Setup Checkbox

Y (dB) Beta (%)

This method finds the bandwidth within which β% of the energy is contained. A typical value for β is 99% for this measurement Server to collect a block of data and calculate the power spectrum using FFT. It repeats the collection and FFT process using specified averaging method processing for a specified dwell time. Next it estimates the noise floor and zeros out all FFT bins that are less than Y dB above the noise. A typical value for Y is 6 dB.

xdB Setup Checkbox

X1 (dB) X2 (dB)

This method finds the frequency limits such that all spectrum components outside these limits are at least x dB below a 0-dB reference level. Since the occupied bandwidth is the value that is regulated (No. 147 of Radio Regulations), this method is not the preferred one. In order to obtain better agreement with the occupied bandwidth measurement, the values of x vary with modulation type and have been empirically determined.

Averaging Method:

Mean RMS Max Hold

Select on of the averaging methods to average the results from each measurement repetition. Selection of the Averaging Method in the Bandwidth Tab is independent of other choices of Averaging Method. For example: The user may set a “Mean” Averaging Method in Bandwidth, and an “RMS” Averaging Method in the Modulation Tab.

Measurement Time:

Dwell (ms) Repeat

Dwell sets the measurement duration in milliseconds. Repeat allows the user to specify how many times to repeat the measurement.

3.1.1.3 Modulation

The "Modulation" tab allows the user to set modulation characteristics of the signal in the selected modulation modes. The system is capable of measuring "Amplitude," "Frequency," and "Phase modulation."

Table 3-5 Scorpio Client Task Calendar Modulation Tab Field/Button Item Descriptions Field/Button Item Description

Measurement Selection:

Amplitude Frequency Phase

For AM signals, the modulation depth m is measured. This is defined as: m = (Emax – Emin)/(2Ec) where Emax and Emin are the maximum and minimum amplitudes of the modulated signal and Ec is average amplitude of the signal.

For FM signals, the primary measurement is the frequency deviation. For PM signals, the primary measurement is the phase deviation. This is measured similarly to the FM measurements.

Averaging Method:

Mean RMS Max Hold

Select one of the averaging methods to average the results from each measurement repetition. Selection of the Averaging Method in the

Modulation Tab is independent of other choices of Averaging Method. For example: The user may set a “Mean” Averaging Method in Bandwidth, and an “RMS” Averaging Method in the Modulation Tab.

Measurement Time:

Dwell Repeat

‘Dwell’ sets the measurement duration in milliseconds. “Repeat” allows the user to specify how many times to repeat the measurement.

3.1.1.4 Field Strength

"Field Strength" tab allows the user to measure the field strength of the signal. Field strength measurements provide detailed information to determine the adequacy of radio signal strength and the effectiveness of the transmission source. It measures field strength at a specific frequency. Each time the operation is executed, the Spectrum Monitoring system will measure the field strength of a specified signal. This is primarily utilized in mobile measurement applications. You can use field strength measurement to:

• Determine the adequacy of a radio signal strength and the effectiveness of the source transmitter • Ensure compliance with the relevant radio regulations

• Measure spatial-distribution of field strength

• Measure variation of field strength due to shadowing and other loss mechanisms

• Determine the interference effects of a given intentional radio emission (electromagnetic compatibility)

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Table 3-6 Scorpio Client Task Calendar Field Strength Tab Field/Button Item Descriptions Field/Button Item Description

Measurement Selection:

Average Linear Average Log RMS

Peak

Specifies the type of detector used during field strength measurements.

Averaging Method:

Mean RMS Max Hold

Select one of the averaging methods to average the results from each measurement repetition. Selection of the “Averaging Method” in the “Field Strength” tab is independent of other choices of “Averaging Method.” For example: The user may set a “Mean” “Averaging Method” in “Bandwidth” and an “RMS” “Averaging Method” in the “Modulation Tab.”

Measurement Time:

Dwell Repeat

Dwell sets the measurement duration in milliseconds. Repeat allows the user to specify how many times to repeat the measurement.

3.1.1.5 Frequency

The "Frequency" tab allows the user to measure the center frequency of the signal.

Figure 3-6 Scorpio Client Task Calendar Frequency Tab

Table 3-7 Scorpio Client Task Calendar Frequency Tab Field/Button Item Descriptions Field/Button Item Description

Frequency Measurement Method:

Instantaneous Frequency

Method used to measure frequency.

Averaging Method

Mean RMS Max Hold

Select one of the averaging methods to average the results from each measurement repetition. Selection of the “Averaging Method” in the “Frequency Tab” is independent of other choices of

“Averaging Method.” For example: The user may set a “Mean” “Averaging Method” in “Bandwidth” and an “RMS” “Averaging Method” in the “Modulation Tab.”

Measurement Time:

Dwell Repeat

“Dwell” sets the measurement duration in milliseconds. “Repeat” allows the user to specify how many times to repeat the

3.1.1.6 Direction

The "Direction" tab allows the user to specify or alter existing DF entries. When performing DF, the user may specify a confidence value for the signal of interest being tasked. This window also allows the user to specify a bandwidth to be used if it varies from that used in the "Measurement" tab.

Figure 3-7 Scorpio Client Task Calendar Direction Tab

Table 3-8 Scorpio Client Task Calendar Direction Tab Field/Button Item Descriptions Field/Button Item Description

Confidence The Confidence factor (CF) allows the user to set a confidence

value in percent. Confidence ranges from 1 to 99, with 99 being high confidence. A typical value for confidence is 80*.

Bandwidth Bandwidth allows the user to enter the necessary bandwidth for the modulation mode of the signal you want to measure in the Bandwidth field.

Polarization (optional) Polarization allows the user to perform the measurement(s) using

the vertical or horizontal components of the antenna, if available.

Use this Bandwidth (not Measurement BW)

Check this box to specify whether to use the Bandwidth entered into the Measurement Tab or the Bandwidth entered above.

Measurement Duration

Dwell Cuts

Dwell sets the measurement duration in milliseconds. Cuts allow the user to specify how many times to repeat the measurement. NOTE: Server software will finish the DF measurement when

either of those two parameters reaches specified value.

*Note: The confidence number returned from the measurement is based on how well the amplitude and phase from each antenna matches the computed answer. A perfect agreement will return a confidence of 99. Due to multipath propagation, it is difficult to always have perfect agreement. A confidence of 80 will provide a useable DF.

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Figure 3-8 Scorpio Client Task Calendar Tasking Options Tab

Table 3-9 Scorpio Client Task Calendar Tasking Options Tab Field/Button Item Descriptions Field/Button Item Description

Tasking Selection:

Immediate Delayed

Select when you want the measurement to begin in the Start field. You can select:

• Immediate - to start the measurement at the present time. • Delayed - to start the measurement at a later time

Delayed Scheduling Options:

Convenient Rigid Repeat Task Count Period

If you select Delayed: You can specify the Task to be run when it is convenient for the Scorpio Server to run it. If a measurement must be made at a certain time, then the Rigid button should be chosen to confirm that the measurement time should not be varied upon. The user can also specify whether or not this measurement should be repeated.

Repeat Options

Task Count Period

If the user has chosen that this Task be repeated, a Task count must be specified. Period defines the interval between repetitions.

3.2 Metrics - Task Results (Optional)

After a measurement is complete, the results for the measurement can be viewed and evaluated to determine what actions may need to be taken, if any. The decisions you make regarding the appropriate action depend on the policies of your organization and management. No recommendations are made here.

When the signal measurement is complete, you can view, print or save a report that summarizes the data that was collected. Click on the desired Task in the Task Calendar to select it. Then click the Task Results button in the Metrics tool bar to display the results.

Measurement results can be viewed in reports that can be viewed, printed, and imported into Microsoft Word for windows. In addition to all information relative to a measurement setup and a summary of its results, reports include the following information:

• Task Data • Date • Time

• Frequency • Bandwidth • Identity

• Requested Measurements • Type

• Subtype – various type may have more than one method of measurement • Result

• Graphical Data

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Table 3-10 Scorpio Client Task Results Data Screen Field/Button Item Descriptions Field/Button Item Description

Task Data Task Data displays the basic specifications given to this Task. The

date and time the Task was requested to run, the center frequency the bandwidth and the Identity assigned.

Requested Measurements Requested Measurements itemizes and summarizes all entries made

in the Task Calendar tabs. Measurement type, method, parameters, and results are shown.

Spectrum Analysis Onscreen Display Plot

Beta

Dependent upon the currently selected Requested Measurement Type, this Onscreen Display changes to show the following plot types:

• Spectrum Analysis: Beta%, xdB bandwidth • Probability Distribution: AM, FM, PM modulation • Histogram: DF

• Polar: DF

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Print Preview This area displays a preview of how the printed textual or plotted

report will look once printed.

Reports

Text Plot

Once clicked on, these toggle switches for text and plot toggle the display of the results reports. When the check box for text is on, the textual preview will be displayed. When the check box for Plot is on, the plotted results data will be displayed.

Save This saves the report to disk.

Preview Dependent upon the Text and Plot check boxes, the Preview button

displays how the report will look once printed. If you mark both Report checkboxes for previewing, you may select between the two under the preview screen’s “Window” menu.

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4. SPECTRUM MONITORING DEVICE CONTROL

4.1 Device Control – Homing DF (Optional)

The "Homing DF" feature gives the operator the ability to quickly and easily locate the source of an emitter using a mobile monitoring station(s). It provides a direction indicator to the emitter relative to that of the vehicle. The "Homing Mode" results are displayed on the integrated map display.

The "Homing DF" feature covers the entire valid frequency range. DF measurements determine the direction of arrival or azimuth of a signal of interest with regard to both relative to the vehicle and True North direction. This directional information is also referred to as the line of bearing (LOB) data.

A DF measurement gathers LOB data from the mobile station Tasked with a DF request. The DF results are displayed as LOBs on a map. The LOBs are drawn as a line segment from the location of the vehicle (when the DF measurement was taken) to the edge of the map, in the direction of the returned azimuth. The software processes the LOB data obtained from each DF measurement location and calculates the position or "FIX" on the transmitted signal. The Global Positioning System (GPS) is utilized to record DF station location in reference to the Signal of Interest being Tasked.

Digital Signal Processing (DSP) techniques are used to determine the azimuth angle of arrival of any signal of interest (azimuth angle is measured from magnetic north). The DF measurement method used in the Spectrum Monitoring system is an implementation of the Correlative Interferometry technique as described in the ITU Spectrum Monitoring Handbook.

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Figure 4-1 Scorpio Client Homing DF

You can use DF to:

• Locate unauthorized transmitters • Locate transmitters in distress situations

• Locate interfering transmitters which cannot be identified by other means

• Locate sources of harmful interference of reception, such as electrical equipment, defective insulators on a power line, and other interference

When the "Homing DF" dialog is active, an immediate DF measurement is requested at regular intervals. The interval used is the number of seconds as shown in the "Repeat Rate" pull-down list. As each DF Result is received, the LOB, from the location of the mobile DF station to the emitter is displayed on the Relative Bearing Chart. The LOB is displayed as a needle pointing towards the emitter, relative to the direction the mobile DF station was facing at the time of the measurement. If the needle is pointing "Right," then the emitter is somewhere to the right of you. If the needle is pointing "Forward," the emitter is somewhere in front of you, and so on. Only the five most recent LOBs are displayed on the chart. The most recent LOB received is displayed in yellow and the previous four are displayed in Grey.

When a DF measurement is requested, certain information is sent along with the request, including the frequency, bandwidth, confidence factor, and priority of the request. The frequency and bandwidth values are taken from the "Frequency" and "IF Bandwidth" options on the "Monitor Receiver’s" dialog box. The confidence factor is selected by the operator using the associated "Confidence Factor (CF)" spinner control. The priority is higher than that of other measurements (as from the Task Calendar window) and is selected internally by the system. Only those LOBs that have a measured confidence factor and SNR that meet the operator entered confidence and SNR values are displayed.

The most recent LOB is always displayed on the "Relative Bearing Chart," but not always on the Map. There are three rules by which a LOB is displayed on the Map: It is the first LOB returned, it is selected for display when the operator presses the <DF Update> button, or it is selected from the "Homing FIX" dialog. By pressing the <DF Update> button, the most recently returned bearing is included in the current Homing DF “Mission.” All included bearings are maintained, and may be used in a FIX calculation. Not including bearings is useful in a mobile system when trying to locate a fixed emitter.

The Map displays vehicle positions as a red square, and bearings as colored lines. All of the displayed bearings are automatically used to perform FIX calculation and any wild bearings rejected by the FIX will be colored yellow, while accepted bearings will be colored red.

The Homing DF dialog works in conjunction with the Homing FIX dialog. All included bearings are given to the Homing FIX dialog. When a specified number of bearings are included (selected in the “Auto-FIX Rate” pull-down list), a FIX is automatically calculated based on the most recent, specified bearings. These bearings can be seen and either selected/deselected in the FIX window.

Table 4-1 Scorpio Client Homing DF/Map Display Field/Button Item Descriptions Field/Button Item Description

Relative Bearing Chart This directional “indicator” displays the source of the emitter relative to

the direction of the mobile station. For instance, if the mobile station turns directly into the signal, the Relative Bearing Chart will display a pointer emitting from 360 degrees whereas if the signal is coming directly from the right side of the front of the mobile unit, the display pointer will indicate 90 degrees.

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Table 4-1 Scorpio Client Homing DF/Map Display Field/Button Item Descriptions Field/Button Item Description

DF Measurement Parameters Freq Bw CF, SNR (optional) Polarization (optional)

Displays the currently set frequency and bandwidth parameters as set on the Monitor Receiver. The CF allows the user to set a minimum confidence value. The SNR allows the user to set a minimum Signal-to-Noise ratio value.

Polarization allows the user to perform the measurement(s) using the vertical or horizontal components of the antenna, if available.

Auto-FIX Rate This item sets the number of bearing reports to be used when

calculating a FIX.

Repeat Rate This item sets the number of seconds that elapse between DF

requests.

DF Update This button takes the Bearing results just received and places them

into the FIX screen for use in calculating a FIX.

Automatic Updates When selected, all Bearing results received are placed into the FIX

screen for use in calculating a FIX (this provides an automatic way to perform a “DF Update”).

DF Request Sends an immediate request for DF measurement to the Spectrum

Processor.

Export to File, <…> (optional)

When selected, both the DF measurement request and Bearing result is appended to an external file. This file is a comma-delimited text file. Each DF request and result is displayed on a separate line.

Pressing the <…> button allows the user to select both the name and location of the external file to be used.

4.2 Device Control – Homing FIX (Optional)

After desired line of bearing data has been obtained, the user may request a FIX for a target. Figure 4-2 is the FIX calculation screen. The operator selects the line of bearing data that will be used for the calculation by selecting each one and clicking the <Calculate Fix> button.

Figure 4-2 Scorpio Client Homing FIX Screen

Table 4-2 Scorpio Client Homing FIX Screen Field/Button Item Descriptions Field/Button Item Description

Fix Results

Lat, Lon UTM

Displays the Latitude and Longitude (in degrees:minutes:seconds) or Universal Transverse Mercator results of the last FIX obtained.

Use range data (optional)

When selected, range data (if available) will be used when performing a FIX calculation. Range data for each DF Result are displayed below each Bearing Selection button.

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Table 4-2 Scorpio Client Homing FIX Screen Field/Button Item Descriptions Field/Button Item Description

Bearing Selection [ Azimuth in degrees (Signal Strength in dBm) ]

These buttons allow the user to select which Bearings to use to calculate a FIX. Bearing selections are added as DF requests are returned from the Spectrum Processor.

4.3 Device Control – Monitor Receiver (Optional)

Most traditional receivers have separate Pan IF displays for displaying just a portion of the RF spectrum. TCI’s solution provides this functionality as a "Receiver Virtual Control Panel" on the computer monitor. This Virtual Control Panel (VCP) has familiar controls associated with typical stand-alone receivers, providing interactive control of the receiver unit. The screen includes controls for frequency, modulation, and amplitude control. Receiver status information will be displayed on the same screen. The receiver audio may be routed through the audio distribution system. Figure 4-3 shows an example of the receiver "VCP."

The "Monitor Receiver" dialog box allows you to set up a specific receiver to perform signal measurements. The virtual receiver display allows you to view the signal being monitored in a real-time frequency domain. Multiple receiver controls provide the capability to analyze and capture signal characteristics.

Figure 4-3 Scorpio Client Monitor Receiver Screen

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Table 4-3 Scorpio Client Monitor Receiver Field/Button Item Descriptions Field/Button Item Description

Meter Drop-list that allows selection between “RF Level” and “Off.” When “RF Level”

is selected the numeric value and LED control representing the RF Level for the current receiver settings display; when “Off” is selected the LED control below will be disabled and the numeric value is not displayed.

LED A horizontal bar graph representing current RF Level in dBm. When the Meter