The “Polaric Server” is mainly a web based service to present live APRS tracking information on maps and where the
Arctic Tracker – what now?
The Arctic Tracker was an attempt to create an advanced APRS tracker with modules, and in particular with a Wifi-module,
Improving trails with Arctic Tracker
Earlier we have tested a scheme for improving trails by piggybacking an extra position report in the comment field of
Second round of tracker project
The second iteration of the Arctic Tracker is based on an ESP-32 IoT module (a sucessor of the ESP8266). It
First round of tracker project
The Arctic Tracker project isnt dead. It has just been “resting” for a while (sorry, we have been busy with
Designing a prototype tracker
We have been working for some time, designing a more complete prototype Arctic Tracker. The plan is to produce up
Tracking, internet and igate
I have been busy hacking the tracker. Now it can connect to a server on the internet, it can function
Working with the WIFI module
The Arctic Tracker lab model has a main microcontroller unit (Teensy 3) and a ESP-12 WIFI module. Now, can we
Assembling and testing the tracker lab model
The picture above shows the PCB for the Arctic Tracker with most parts mounted. It was straightforward to solder the
The quest for open software for the ADF4351
It seems the ADF4350/ADF4351 is a versatile little RF synthesizer, ranging from low VHF to well into the microwave spectrum.