17 Oct 2009

5W (from the PA) on 500kHz

With the arrival of some IRF510 FETs I've built a small PA to go on the end of my WSPR beacon transverter. The output (from the PA) is now 5W, so my ERP should be up by around 10dB to around 50-60uW. Already I have been spotted by G7NKS some 10dB stronger than ever before - most encouraging!

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