News
4 Jun 2006 - The FSK modulator has been rewritten, and the transmit audio level can be set in software.
28 May 2006 - Timestamp format is now selectable.
10 Apr 2006 - Revision 4 boards now shipping, with better support for 5-volt GPS receivers.
14 Mar 2006 - PSK31 firmware now has carrier frequency selection option.
7 Mar 2006 - 1-wire weather firmware now supports humidity sensors.
18 Oct 2005 - Configuration program improved, can now save and load configuration files.
1 Sep 2005 - Packet Shooter firmware released for sending KISS data using OpenTracker hardware.
26 Aug 2005 - Added low-voltage disable option. 22 Apr 2005 - Consensus averaging added to weather firmware. Will release after some more testing. 18 Mar 2005 - Added a new general-purpose counter function. Counts pulses on the IRQ pin and optionally resets with each transmission.5 Nov 2004 - The free special edition version of Metrowerks CodeWarrior HC(S)08 will now compile the full OpenTracker firmware!
2 Nov 2004 - Timeslotting, status text, GPS data quality, and other features have been added.
2 Aug 2004 - 1-wire weather station support is now working. Radio power control has also been added.
7 July 2004 - APRS Compressed format support has been added to the standard firmware as a configuration option.
26 May 2004 - Here's the first attempt at a fully surface mount OpenTracker prototype.
6 April 2004 - The PCBs are in and kits are now shipping.
4 April 2004 - The firmware license has been changed to remove the non-commercial restriction. The license now fully meets the OSI's Open Source definition.
8 January 2004 - Cold testing completed for regular and LDO configurations. Both worked OK down to about -76 C covered in dry ice. One temperature sensor seemed to give bad readings at around -78 C (it's only rated for -40 C) but recovered just fine when it warmed up a bit. Should be fine for high-altitude balloon use.
