Es’hail-2 & 2.4Ghz uplink Helical Feed from Winkler
Testing this using a Narda 1.7-4.2Ghz directional coupler, a HP 8566B analyser and a G4FAW tracking generator, gives a broad untuned return loss of less than 5dB. The insides look like the attached image.
This feed features on a PowerPoint that pushed this satellite.
Any suggestions or comments ?