Category Archives: Blog

QRPp WSPR and FSKCW tests on 40m using the U3

I recently built the QRP-Labs LPF switching board plus a couple of extra filters for 80m and 40m. I’d had these kits gathering dust for probably 12 months plus. Other projects had taken priority and I’d not really run any … Continue reading

Posted in Blog, QRSS / WSPR / QRP

Constructing another K3NG Rotator Controller

I recently spent a day helping a friend setup his new rotator and single 8 element yagi for EME operation. The weather was kind to us and after a few hours work we had everything aligned as best we could.  This … Continue reading

Posted in Arduino, Blog, EME

TrakBox with MAP65 and LP_Bridge

Since I started running MAP65 it has always been run on a separate laptop along with Linrad. This was primarily due to the amount of monitor “real-estate” that was needed for all the various programs that normally run when operating … Continue reading

Posted in Blog, EME

Anglian TVTR Drive Control

It’s been a while since I’ve posted any updates. Lots of little changes have been happening on the 2m front, with hopefully each change making a slight improvement to the overall working of my small (by EME standards) system. I … Continue reading

Posted in Anglian TVTR, Blog


With inclement weather forecast over the Xmas period I was keen to try and implement some form of remote switching of the 144MHz and 1296MHz EME antennas. The antenna feeds terminate in a waterproof cabinet at the base of the … Continue reading

Posted in Blog, Raspberry_Pi, Remote_operation


Today I picked up a project that I had started at the beginning of the year. It uses the Raspberry Pi (RPi) computer to provide remote control of up to 8 events, each switched by relay. My plan is to … Continue reading

Posted in Raspberry_Pi, Remote_operation

23cms VLNA

Thanks to Colin, G6AVK  who did the ordering, I now have my DDK 23cms VLNA kit.  🙂 Apart from building it, the next step is to source some suitable relays.

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