The ICT Tracker has been developed in-house and it is a low-cost solution, making it the perfect payload for flights around the world.
Fully powered by solar energy
Highly sensitive UBlox GPS receiver
Solar voltage and temperature monitoring
Electronics weight : ~1 gram
Total payload weight : ~4 grams
The device beacons within the 14MHz band and it is sending various data using state-of-the-art coding techniques : WSPR and JT9.
Primary tracking uses WSPR :
6-digit maidenhead locator
Health of the on-board GPS reception
Secondary tracking uses JT9, encoding the full position (based on 5 decimal plates GPS coordinates) within a single JT9 transmission. This aids recovery if the balloon fails during launch.
The ICT Tracker has been updated over the last couple of years:
Many power saving enhancements, allowing flights with only four solar cells
On-board sun elevation calculation for intelligent power management