CubeSatSim

See the Wiki for more details. To build and run the software on a Raspberry Pi 3B, 3B+, or Pi Zero W:

git clone http://github.com/alanbjohnston/CubeSatSim.git

cd CubeSatSim

make rebuild

To hear CW telemetry (Morse code), tune your radio or SDR to 435.297 MHz and enter:

./radiocw

To stop, Ctrl-C. To hear AFSK telemetry (X.25 data), your radio or SDR to 440.389 MHz FM, and you should receive telemetry from the CubeSat Sim:

./radioafsk

This code uses the Brandenburg Tech Digital Transceiver, based on DigitalTxRxRP https://brandenburgtech.wordpress.com/-

cw - Code that sends telemetry in CW (Morse code) using AO-7 format
afsk - Code that sends telemetry in 1k2 AFSK X.25 format
ax5043 - Source for a library of functions to communicate with the AX5043 and configure the AX5043.
libs - External libraries
python - Python code for reading I2C sensors for current and temperature
spreadsheet - Spreadsheets and macros for analyzing the Simulator telemetry
wav - Wave audio files of CW or AFSK telemetry for listening or transmitting usng a CubeSat Simulator Lite

See the Wiki for more details