The following release notes go with our SignalTrack software. These include notes on upgrades and bug fixes.

Release Notes for SignalTrack 2.1.8 (11/15/2014)
1. Fixed bug that caused frequency setting error when using a DDF6001 over a serial port with a ICOM R8500 receiver.
2. Fixed bug that caused Google Earth setting to work improperly when in the Run mode.

SignalTrack 2.1.7 (5/17/2013)
1. Fixed bug that caused crash when calibrating a mobile using an DDF7001 processor

SignalTrack 2.1.6 (3/6/2013)
1. Fixed bug that caused an “Application is running” error when recording audio

Release Notes for SignalTrack 2.1.5 (11/1/2012)
1. Fixed bug that caused an exception to be thrown when Show Bearing Display was selected from the View menu
2. Fixed bug that caused the map to automatically scroll to display the mobile site position even when the Enable Scroll option was disabled.

Release Notes for SignalTrack 2.1.4 (10/1/2012)
1. Fixed bug that caused wrong display of coordinates when map was in degrees-minutes format.
2. Fixed bug in MapFix that caused miscalibration of map when map was zoomed.

SignalTrack 2.1.3 (5/10/2012)
1. Fixed bug that caused exception when switching DDF6001 communications method from TCP/IP to serial

Release Notes for SignalTrack 2.1.2 (2/13/2012)
1. Fixed bug that caused erroneous display of frequency when using an AOR SR2200 in a mobile configuration
2. Fixed bug that caused uncommanded frequency changes when using an ICOM R2500 in a mobile configuration
3. Changed PCR1500 to ICOM R2500 (same commands but PCR1500 is obsolete).

SignalTrack 2.1.1 (2/10/2012)
1. Fixed bug that caused crash in MPT mobile applications.

SignalTrack 2.1.0 (2/6/2012)
1. Upgraded ArcGIS Engine to version 10.  All users using ArcGIS Engine will need to upgrade from version 9.3.1 to version 10 in order to use ArcGIS Engine with this version of SignalTrack.  If you have any questions on this please call or e-mail the factory.

Release Notes for SignalTrack 2.0.2 (1/5/2012)
1. Fixed DataDisplay bug that prohibited DataDisplay from working on Win7 64 bit machines
2. Fixed bug that caused playback to crash

Release Notes for SignalTrack 2.0.1 (12/06/2011)
1. Added manuals for DDF7000 (MPT) direction finder
2. Fixed minor bug associated with specifying a URL for a site

SignalTrack 2.0.0 (10/20/2011)
1. Added support for new MPT direction finder (DDF7001)

SignalTrack 1.3.26 (9/9/2011)
1. Fixed bug that caused remote site to register incorrectly when a remote mobile and remote fixed site were connected on a radio modem network.

SignalTrack 1.3.25 (7/13/2011)
1. Fixed bug in setting of the AOR8600 squelch level

SignalTrack 1.3.24 (7/5/2011)
1. Fixed bug that prohibited fast frequency changes when using an AOR receiver in a mobile configuration

Release Notes for SignalTrack 1.3.23 (6/6/2011)
1. Fixed bug that caused site down dialogs to pop up repeatedly.
2. Fixed bug that kept program from closing when DF was connected via the serial port

SignalTrack 1.3.22 (5/11/2011)
1. Added feature to calculate and display the Circular Error Probability (CEP)

SignalTrack 1.3.21 (2/21/2010)
1. Fixed bug that caused the receiver to be set incorrectly by the receiver selection wizard  when “Other” was selected.

Release Notes for SignalTrack 1.3.20 (11/7/2010)
1. Modified the frequency reading of the AOR receivers to eliminate rounding errors.
2. Modified frequency reading and writing code for the AOR AR8600 because it’s
minimum frequency step size is 50 kHz.
3. Modified frequency reading code for the AOR AR8600 because sometimes it sends
the wrong frequency message.

Release Notes for SignalTrack 1.3.19 (10/20/2010)
1. Fixed bug that caused a thrown exception in the playback mode.
2. Fixed bug in channel dialog that was caused when a channel was saved from
     the receiver control dialog.
3. Fixed bug that caused the radio modem com channel to change when options dialog
     was displayed.
4. Fixed bug that caused all mobile slaves to register as mobile 1.
5. Fixed bug that caused exception to be thrown in Windows 7 when the stop
button was pushed and the system was configured as a mobile radio modem slave.

 SignalTrack 1.3.18 (10/4/2010)
1.  Fixed bug that caused the Beacon dialog to be moved off screen.

Release Notes for SignalTrack 1.3.17 (9/30/2010)
1. Added feature to allow use of any receiver with user manually tuning the receiver
2. Fixed bug that caused newly added Beacons to be offset from the location where
the mouse was clicked.

SignalTrack 1.3.16 (9/22/2010)
1. Added support for AOR AR5001D receiver

Release Notes for SignalTrack 1.3.15 (7/8/10)
1. Fixed problems with scan not stopping when commanded
2. Fixed problem with ghost image appearing on from the master site on the slave site display
3. Added Windows 7 support (32 bit and 64 bit)


SignalTrack 1.3.13 (5/31/10)
1. Fixed bug that caused a fixed site slave to crash when communicating with the master.

SignalTrack 1.3.12 (4/2/10)
1. Fixed bug that caused the COM port selection to disappear when enabling and then disabling the radio modem in the slave mode.

Release Notes for SignalTrack 1.3.11 (1/18/10)
1. Fixed bug that caused crash when changing the administrator functions.
2. Added textual display of position estimate on the tool bar


Release Notes for SignalTrack 1.3.10 (2/3/10)
1. Added feature that allows the mobiles on a network to see other networked mobiles
on their map.
2. Fixed minor memory leak associated with ESRI maps

Release Notes for SignalTrack 1.3.9 (9/4/09)
1. Fixed bug that caused crash when saving ERSI maps
2. Fixed bug that caused scrolling to fail on large bit map type maps created with MapFix

Release Notes for SignalTrack 1.3.8 (7/24/09)
1. Made a change to hide the encryption parameters until password is entered.

Release Notes for SignalTrack 1.3.7 (6/3/09)
1. Added feature to control a Icom PcR 1500 receiver.
SignalTrack 1.3.6 (5/21/09)
1. Fixed bug that caused slave site to disappear when using a radio modem with only
one serial port installed on the computer
2. Added feature to allow SignalTrack to be time synchronized with a local GPS receiver
in both the fixed site and mobile configurations.
3. Upgraded the position estimation algorithm to use larger error standard deviations for
mobile sites and smaller standard deviations for fixed sites.

SignalTrack 1.3.5 (5/13/09)
1. Added option to serve data to the DF Network Monitor application (Master Control)

Release Notes for SignalTrack 1.3.4 (3/23/09)
File SignalTrack 1.3.3.4.zip is full installation
SignalTrack Upgrade 1.3.4.zip is to upgrade from any previous version of SignalTrack or ControlPoint
File SignalTrack Upgrade 1.3.1 zip is to upgrade from any previous version of SignalTrack or ControlPoint.
The ESRI ArcGIS runtime mapping engine is not included in the downloads because of its size. A CD will be provided
that has the installer for this software on it

Release Notes for SignalTrack 1.3.3
1. Added ability to transmit audio from a remote site to the network control site via an Ethernet connection
2. Added ability to designate one receiver on the network to be the master receiver. Master receiver can
be manually tuned or used in a scanning mode. When a signal is received SignalTrack will set all receivers on the network to the frequency of the master receiver.
3. Added ability to set up receiver memory scan banks and initiate receiver scanning
4. Improved logging by adding the logging of text messages and the logging of estimated positions
6. Added 56 bit DES encryption for transmitted messages
7. Added estimated position averaging
8. Added support for a cellular modem connection that can be used by mobiles or remotely located fixed sites
to transmit data to the network control site.
9. Improved MapFix by adding a zoom feature and MGRS coordinates

Release Notes for SignalTrack 1.3.1 (10/29/08)
File SignalTrack 1.3.1.zip is full installation
File SignalTrack Upgrade 1.3.1 zip is to upgrade from any previous version of SignalTrack or ControlPoint.
The ESRI ArcGIS runtime mapping engine is not included in the downloads because of its size. A CD will be provided
that has the installer for this software on it

1. Added Google Earth capability
2. All functions from AutoTrack have been integrated into SignalTrack.
3. For mobile applications, before installing SignalTrack it is suggested that you uninstall AutoTrack.
4. For fixed site locations SignalTrack will automatically uninstall older versions of ControlPoint
5. After installing SignalTrack in a mobile application (DDF6002) we suggest you read the configuration wizard
chapter of the manual or help file to help you understand how to setup SignalTrack in a mobile installation.
6. Added calibrate to Beacon function to fixed site configuration
7. Added a command line option that allows the program to start in the run mode.
8. Added ESRI ArcGIS Mapping Engine
9. Updated all help files and manuals
10. Added all features from BearingTrack that were not in ControlPoint (e.g. Alert Sounds, Administrative password,
ability to suppress drawing of bearing lines, estimated position, and ellipse).
11. Added MGRS coordinate option