It's been years since I wrote this code. As I recall the main constraints that went into picking Martin M2 were: what was supported by the SSTV decoders that we

It's been years since I wrote this code. As I recall the main constraints that went into picking Martin M2 were: what was supported by the SSTV decoders that were available at the time, what was supported by Python libraries, and the time it took to transmit the image.