- MFJ manufacturer of ham radio antenna products, antenna tuners, antenna analyzers, morse code & CW, SWR wattmeters, antenna accessories , power supplies, audio filters, TVI filters, baluns, coax switches and more
- Maker of modified version of the famous DK3 mobile screwdriver antenna by KE0KH
- HF Ham Radio mobile operation antennas manufacturer, W6HIQ, HA5CMG, VE7BOC, HF mobile antennas, screwdriver antenna, coils and filters.
- Makers of motorized antennas covering 6 to 160 meters
- Custom built amateur radio adjustable antennas and accessories. Screwdriver antennas, antenna controllers
- Quality full legal limit screwdriver antenna with the mount and digital controller at an affordable price by NA0LB
- Our motorized antennas and stainless steel mounts are designed with the most avid HAM radio operator in mind, as well as commercial applications. They are made with the best materials and top of the line workmanship.
The KO6YD Screwdriver Antenna Memory
- The Screwdriver Antenna Memory (SAM) product is designed to enhance the mobile antenna commonly called the "Screw Driver". It replaces your current control unit and provides an automated memory feature that eliminates the visual coil tuning method commonly used.