We already have helical antennas and most fpv is done at a high enough frequency that the antennas fit in your hand. Might be nice for 1.2ghz or lower but even

We already have helical antennas and most fpv is done at a high enough frequency that the antennas fit in your hand. Might be nice for 1.2ghz or lower but even there I can't see it folding down much lower than a VAS crosshair or pepperbox.