Category Archives: WSPR

Building a QRP Labs OCXO

I’ve not posted much this year because I’ve not been doing much new stuff. I’m still messing around with the very low power modes and enjoying that a lot. I’m transmitting WSPR and QRSS all the time and tend to … Continue reading

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I’m not dead!

I know I’ve not updated this blog for some months but don’t panic, I’m not actually dead! Although I’ve not done much operating this year, I have still been playing radio.  I’ve been melting a lot of solder building WSPR … Continue reading

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A week of very low power 10m WSPR

Last Sunday I tweaked my Ultimate 2 transmitter to give me some power out on 10m and I managed to persuade it to run about 80-100mW.  I’m going to experiment with a higher voltage for perhaps a little more power … Continue reading

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A World First – Experiments on the 60m (5 MHz) band with QRSS

The 60m band is fairly new amateur radio allocation, first introduced in 2002 but only to a few countries such as the United Kingdom, Finland, Denmark, the USA, Ireland, Iceland and Norway.  I had an experimental Notice of Variation for … Continue reading

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Running WSPR and QRSS [almost] at the same time

Last month I mentioned that I’d bought a new kit, the “Ultimate 2” transmitter from Hans Summers.  I hooked it up with a GPS module and it almost worked perfectly.  There were a couple of issues with 2.01 of the … Continue reading

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One hour of 40m WSPR on a Saturday evening

This is especially satisfying for a couple of reasons.  It’s the first time I’ve reached VK using the Ultimate 2 kit and a simple wire aerial.  I’ve managed it on 20m using the Hexbeam but not with my random length … Continue reading

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Two hours of 20m WSPR on a Sunday evening

Power output: Somewhere between 150mW and 200mW. Coax: 30m RG213 Aerial: Broadband Hexbeam at 35ft AGL beaming pointing west Best DX: KB9AMG at 6,378 km (3,963 miles) at 31,890 km/Watt

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