Radio amateur, experimenter and evil genius.
I’ve been running my TM-D710 in the car for a while using a Garmin GPSMap 60CSX which works well but does add clutter to the dashboard and is just another device to remove when leaving the car in a public place. I could upgrade to the newer TM-D710G but I can’t justify the £550 price tag just to get a built in gps so I have decided to add a gps unit to my existing unit.
Continue reading “External GPS for TM-D710”
I started to work on a simple APRS transmitter today so that I could use it as a antenna test bed for Project Swift.
It was very simple to build using only an Arduino Uno, a Venus GPS receiver a Radiometrix HX1 module (on 144.800Mhz) and an SMA PCB socket.
The completed board looks like this…
After playing around all day with the APRS message format, I managed to get it working and updating to aprs.fi via my own igate.
Next up will be a test with it installed in the car.
