FS4 Telemetry Schedule and Data Format
Flying Squirrel 4 transmits FT8 data on 28.075Mhz (Normal 10m FT8 Freq + 1kc)
Flying Squirrel sends telemetry data on every even minute. The telemetry is broken into four 15 second FT8 transmissions, Type 1 through Type 4.
The Type1 message starts at 0 seconds and send a station ID: KJ6FO FS4 HAB
Type 2 message starts at 15 seconds and encodes Latitude, Longitude & Altitude into a 18 Hex digit FT* telemetry packet.
Type 3 message starts at 30 seconds and encodes Ground Speed, GPS Accuracy data, inside the payload temperature and the outside temperature.
Type 4 is an FT8 free text message KJ6FO-11 APRS that indicates the APRS call-SSID for balloon tracking.
Details of each message is described in the PDF Document: FS4 Telemetry Schedule
73s de Don KJ6FO