In telecommunications, aperture-to-medium coupling loss is the difference between the theoretical antenna gain of a very large antenna, such as the antennas in beyond-the-horizon microwave links, and the gain that can be realized in practice.
In telecommunications aperture-to-medium coupling loss is the difference between the theoretical antenna gain of a very large antenna such as the antennas in beyond-the-horizon microwave links and the gain that can be realized in practice