A very popular choice for sending video from drones is the cloverleaf antenna. It is circularly polarized which is an advantage when you have a moving vehicle. It also reduces multipath interference.

Since the waves are moving in a circular pattern, they have a better chance of hitting the antenna, but circular-polarized antennas have a shorter read range than linear-polarized antennas.

the quarter-wavelength loop serves to introduce the 90° phase shift needed for the circularly polarized signal from the satellites. A quick scan with a vector antenna analyzer showed just how ...