3 ms·
Of course. You'll have to adjust for the Doppler shift (about 7kHz swing during a pass IIRC), and depending on your antenna design you might have to do precise
by arghwhat 6y ago
Of course. You'll have to adjust for the Doppler shift (about 7kHz swing during a pass IIRC), and depending on your antenna design you might have to do precise tracking during the pass.
There are also sub-sports such as QRP that tries to perform communication using very low power levels, which makes everything much more challenging, including the already slightly tricky contact with the ISS. I believe the current QRP record is 1.6 billion miles-per-watt, with 1 microwatt making it from Oregon to Alaska (1650 miles).