https://balarad.net/
Coaxial Collinear Antenna for ADS-B
Coaxial collinear (COCO) antenna for the ADS-B receiver. Construction, protection against lightning and static electricity and results of the tests are...
collinear antennafor adscoaxialb
https://hackaday.com/2017/12/06/measuring-hf-signal-speeds-in-a-diy-coaxial-collinear-antenna/
Measuring HF Signal Speeds In A DIY Coaxial Collinear Antenna | Hackaday
Dec 7, 2017 - Air Traffic Controllers use Automatic Dependent Surveillance-Broadcast (ADS-B) as an alternative to secondary radar to track aircraft. The ADS-B is transmitted...
in acollinear antennameasuringhfsignal