It is a full size antenna on 40 meters and a shortened 80 meter antenna.
Coil loaded 40 80 meter inverted v dipole antenna.
The 40 80 160 meter coil loaded inverted v dipole antenna see all details.
Adding inductors to your dipole makes it possible to reduce the overall length of the antenna.
Full size dipole for 160 meters 268 feet long.
Loading coils make this antenna a full size on 40 meters and a.
Full size dipole for 75 80 meters 138 feet long.
September 11 2015 in.
Diameter of the conductor in inches 14 gauge is 065 12 gauge is 08 open the wire gauge and diameter calculator in a separate page.
The antenna is resonate on both bands and does.
Doublet aerials for hf amateur ham radio and broadcast bands.
By john portune w6nbc.
I wanted high efficiency 40 meter antenna with low angle radiation.
Distance from center of antenna to the center of the coil in feet must be less than half the total antenna length given above.
The antenna was designed for military use from 2 to 10 mhz some references say 2 to 30 mhz.
Loading coils make this antenna a full size on 40 meters and a video rating.
How to tune the 40 80 meter coil loaded inverted v dipole antenna.
A vertical seemed the obvious answer a naturally low angle radiator.
Coil loaded 40 80 meter inverted v dipole antenna by kg0zz.
Total length of antenna in feet open the dipole length calculator in a separate page.
If you don t have google.
A dipole fed with 300 ohm feeder can be used on all short wave bands.
This ham radio coil loaded 40 and 80 meter inverted v dipole hf wire antenna is easy to build.
Below is one example of how to build and mount a 40 meter loaded dipole using basic materials.
Inverted v dipoles positioned at right angles to each other and is supported at the center by a 15 foot mast.
The loaded dipole opens up the options for many armature radio users faced with space constraints.
This 40 and 80 meter inverted v antenna is made with loading coils.
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Ground plane antenna with radials.
My inverted v at 40 ft.