Monthly Archives: December 2015

Running four QRPp modes in a ten minute frame

Over the last month or so I’ve been doing some experimenting using a newly built Hans Summers Ultimate 3S transmitter fitted with the new oven controlled crystal oscillator and I’m now running four different modes in a single ten minute … Continue reading

Posted in Amateur radio, Construction, CW, Data, HF, QRSS, WSPR | Tagged , , , , | 2 Comments