inputs.text: not tuning around stick single frequency - echo another reviewer said antenna extremely narrow band operate lower bands need tune antenna desired frequency using antenna analyzer frequencies picked mark antenna shaft permanent marker retune quicklythe bandwidth 80 meters extremely narrow band tested far swr rising sharply either side resonant frequencyi think antenna would work well portable use narrow band digital mode like psk31 arent tuning around band hunting contacts already know frequency youll using dont plan change often reasonable compromise vs cost well made screwdriver antenna antenna tunereven tuner suspect could quickly exceed maximum mismatch tuner handle tune away resonant frequencyi tested mine mounted chain link fence acted makeshift counterpoise swr dipped 131 80 meters band havent tried mobile jeep notoriously problematic mobile installations anyway