A gasketed sealed Polycarbonate enclosure mounted at the base of the antenna sports two shunt coils switched through a relay. An 8 turn shunt coil covers 10-80 meters, the 16 turn shunt coil covers 160 meters. The relay is controlled via a switch mounted on our antenna control box. Perfect tuning on any band! … Continue reading Scorpion SA6-160 – Mobile Antenna 80 to 6 m