For the Tracker:
- Arduino Uno bought new from an eBay shop
- Arduino / 5V Compatible uBLOX MAX-6 Breakout With Sarantel Antenna bought from HAB Supplies
- NTX2 434.650MHz Radio Module bought from HAB Supplies
For the Receiver:
These are commonly used in the high altitude balloon community and much of the example trackers are based on these or similar. The idea was to get widely used components as this was our first tracker - firstly so that we can follow examples to get things started and secondly the common components are usually more easily sourced.