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40m Compact 4-Square Antenna


Compact 4-Square Antenna – EA5AVL The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band
post 17 Aug 2021


Antenna Vertical Links

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4 Softrock v6.2 receivers in parallel to facilitate phased antenna, K1LT
I've designed a circuit board for 4 Softrock v6.2 receivers in parallel to facilitate phased antenna studies

7 mhz vertical monopole
7 mhz vertical monopole high efficiency half wave vertical radiator fisical lenght 8

A 90 foot Irrigation Tubing Vertical
For the past couple of years I have been experimenting with making vertical antennas out of aluminum irrigation tubing.The most frequently asked question I get about this is: how do you raise the thing?

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