The Yaesu ATAS-120 Active Tuning Antenna System provides HF/VHF/UHF coverage with automatic motorized tuning. It is the successor to the popular ATAS-100. Utilizing control signals from the transceivers microprocessor received via the coaxial cable, the ATAS-120's internal motor adjusts the radiator length for best SWR.
Works with
Posted by Chaz on 18th Jun 2021
I set up my base station in my 6th floor apartment in a major downtown urban area. With no balcony, I added ATBK-100 to the 120A and mounted on a short post bolted to my window frame. Both RX and TX has been surprisingly good. Very pleased with my investment.