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Online Shop > HF Antennas > Mobile Antennas > MFJ HF Mobile Antennas
MFJ's Manual Screwdriver Antenna series are continuous coverage, multiband, vertical HF antennas built for mobile (with 1.37m whip) and stationary 3m whip. The antenna is tuned by sliding the aluminium cover over the coils and tuning for minimum SWR. The antenna is made of tin plated copper wire wound around a grooved PVC core with optimum spacing for maximum Q.
All unused turns on the antenna are shorted out and completely shielded. Once tuned, a nylon tipped thumbscrew locks the cover in place to prevent movement.
Each model comes with a 1.37m and 3m telescopic whip antenna, both of which, are fitted with a 3/8in threaded stud.
he smaller size of this antenna lets you use a more common type of mount like the MFJ-336Ttri-magnetic mount (not included). Built-to-last with Dupont Imron 5000 colour system and the Lexan Weather Shield. It also uses a commercial 12 volt gear motor. In black only.
Included as standard with the screwdriver antenna is the 812mm stainless steel whip, 6m of plug-n-play control cable, manual control box, ferrite decoupling core and a 3/8-24 threaded stud.
Whip collapses to 558mm (22in) for easy parking or storage in boot. Easy-on, easy-off 3/8th stud. Use as centre loaded antenna with bottom mast to improve efficiency.
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