Since the stock antenna was not cutting it, he decided to make one specifically for the 1090 MHz signal. His design is based on Coaxial Collinear Antenna for ADS-B Receiver by [Dusan Balara] which ...
An input socket on a device that connects to a coaxial cable. It often refers to early TV sets that accepted signals from an antenna or VCR only via a coaxial cable. Modern TVs have coax inputs ...