Talking to the dude who did the telemetry for the Americas Cup Yacht Races, in Newzealand ;
He said a telemetry Transmitter would weigh less than ONE OUNCE be almost the size of a matchbox & about 1 cm ( 3/8 in. ) thick.
and have infinite Transmit Time Phase . But Ea pulse uses the electricity - so that governs power source .
They used 10 seconds , but He Thought 1/10 Sec. would be No Trouble . Might want one on thehandle coordinated , for the constant distance bit .
But a Position Recorder'd be a box adjacent the circle , on the field .
might Mean Four Foot alt. at the Center is the center of the hemishere !? .
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Hold On , baby . He Has Other films there .
https://www.youtube.com/channel/UCRHitr5tXqC5CX8VWoG8QTQThis dudes flyings not as sloppy.