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FT-8 fun During last JOTA (2019) I tried FT-8 for the first time. Initially making all the beginners mistakes (using an old version of wsjt-x, wrong sound levels etc). I picked it up later at home when I put up the 40m deltaloop for the weekend. Then the FT-8 fun really started. Since then my new radio room became available. I put down a temporary desk so I can attach my radio’s, pc and such. After a week or so it really started to itch Continue reading →

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Bumped on an interesting article the other day: a cheap power amplifier with two MRF300AN LDmosfets from NXP.

The MRF300 produces about 300 watts @ 50V and operates broadband from 1.8 – 250 MHz. Razvan M0HZH created a little power amplifier with two of these mosfets which put out around 600 watt with 4.5 watt of drive power.

This is a really nice project which is going on my to-do list!