Originally Posted by
Appowner
Electronics have come such a long way that I believe some things, like a telemetry altimeter, will become standard fare in the new radios. The changes to the Receiver will add little to no discernible weight. The electronics might already be there and just require programming. There will probably be a probe of some sort to install but it too will be minimal. And the whole package will remain small enough to install in anything capable of going to 400 feet and remain visible enough to control.
With the electronics today, it shouldn't be much a problem to have audio telemetry, with either or both a tone or even a voice stating the altitude of the aircraft from the transmitter. It could even be a separate receiver held by the pilot or assistant.