Measuring Tape Vertical
Antenna 2013-12-31 OH7SV
This an adjustable measuring tape 1/4 wave vertical flag pole antenna.
This antenna can be adjusted for any frequency from 10 MHz to 30 MHz by using
the flag rope.
The common mode choke is recommended to avoid common mode RF currents in
Measuring tape antenna construction in a flag pole. Radial lenght is not
critical. Click picture for pdf file
Try to find a measuring tape with a hole-rivet in the end, otherwise
make a hole or remove the loose end part for wire connection.