GigActiv GA3005 - Extreme Wideband Active Antenna - Bonito Hamradio
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Scanning/Receiving Antennas | Moonraker
Amazon.com: MLA-30+ Loop Antenna, 100kHz-30MHz Active Receiving Antenna, Rainproof Loop Antenna for HA SDR Short Medium Wave Radio, with 10m Feeder,Built-in Low Noise Amplifier,for Rooftop,Balcony : Electronics
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Simple Active antenna in SW/MW/FM bands - ElecCircuit
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WAN-97A Active Nomad Base Antenna | Scanner Master