MFJ-1661 - Screwdriver Mobile Antenna
Manual Screwdriver mobile Antenna
Portable Manual Screwdriver Antenna - supplied with 1.37m whip.
Covers 6-20 Meters with 1.37m Whip supplied
Covers 40-2 Meters with 3m longer whip supplied.
Base Size: 305mm by 51mm.
Weighs approx 0.5Kg .
The MFJ-1661 manually tuned screwdriver antenna was designed for continuous operation from
10-40 meters using a supplied whip 3m in length. The supplied 1.37m whip can be used for
mobile or limited space operation from 20-6 meters.
The antenna is tuned by loosening a thumbscrew and moving the aluminum cover up or down the
loading coil. The loading coil is made of tin plated copper wire wound onto a PVC pipe core.
Copper Beryllium finger-stock is used to make the connection between the aluminum cover and
the loading coil.
Portable Operation And Mounting
The MFJ-1661 becomes a very efficient portable antenna when used in combination with a tripod
and a ground radial system. The antenna can be easily mounted onto a tripod such as the MFJ1918 or similar mount for portable operations. The MFJ-342 3/8 pipe mount easily attaches the
antenna to a tripod. The antenna must be properly connected to a ground radial system.