The Wolf River Coils Silver Bullet 1000 and the Silver Bullet mini are a variation of the popular screwdriver style antenna. But instead of a motorized slider, with these antennas you manually slide the tuning coupler up and down the coil. By removing all those mechanical parts and using manual adjustment, you get a rugged … Continue reading Wolf River Coils Silver Bullet 1000 Coil – Ham Radio Q&A