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40 m short vertical


Antenna for restricted space also an invisible antenna
post 06 May 2024
40 m short vertical

Hidden antenna Links

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Transmitting loop for 7 MHz
Large-diameter plastic support frame surrounded by thin layer of copper

A Stealthy 75 meter Antenna
The 75 meter dipole was put up to meet the need for making contacts with friends in the Southwest and Southern California to be put up so no one can see it from the surrounding neighborhood

A Stealthy HF Coat Hanger Antenna
You're looking at a 110 foot inverted-V, fed with homebrew ladder line

Antennas for Limited Spaces
Some problems that while not unique to Florida are certainly more pronounced here Lots tend to be small, often less than 2000 square feet.


Linear-loaded-short-dipole-21mhz

Linear loaded short dipole 21Mhz For my amateur radio activities on the HF bands I only have a 3.6 m wide balcony available for antennas. After some study I decided to experiment with a shortened dipole for the 15 m band

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

A simple SWR Meter is to be used at HF

A simple SWR Meter is to be used at HF An SWR meter provides information about how well matched is your antenna with the transmitter and how well power is being radiated