Using a Zachtek multiband WSPR transmitter from the beach

Описание к видео Using a Zachtek multiband WSPR transmitter from the beach

The second part of my review - of the Zachtek multiband WSPR transmitter - this time from the beach.

I used a very crude antenna. Just 6 metres of wire supported on a fishing pole. Later I added a few more metres. I used a 6dB pi attenuator to limit the impedance variation that the transmitter was subject to. However there was no transformation so losses would be much more again (it's like connecting a hose with a large nozzle to something that needs a small nozzle - water goes everywhere and only a little bit where it should).

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