CubeSatSim, the AMSAT CubeSat Simulator
Why do you think that https://github.com/ua1arn/hftrx is a good alternative to CubeSatSim
CubeSatSim, the AMSAT CubeSat Simulator
Why do you think that https://github.com/ua1arn/hftrx is a good alternative to CubeSatSim