I had originally planned to make a maintenance and upgrade visit to my instrumentation in American Samoa in February 2016. There are lots of advantages to February: It’s cold here in W3, th...
In my on-going quest to produce a lightweight yet good-performing kit of portable equipment to carry along on my exotic work travels, I set my sights once again upon the Morse keying paddles. W...
Made a quick trip to Greenland for three days in July to work on some equipment there. I did not get on the air due to work activities and operation of the incoherent scatter radar whose modula...
A few years ago, I built a 50-MHz transverter to operate 6m with my Kenwood TS-930Ses. I subsequently replaced the two 930s with an Elecraft K3/100 and Elecraft K2/100. The K3 has 6m and I so...
http://www.k8gu.com/50-mhz-transverter-update-psst-newark-has-cheap-22-mhz-crystals/
Quick notes on converting the HP ES120 2950-watt blade server power supply to run “48-volt” amateur radio amplifiers. The power supply I have has a slightly different in configuration from ...
I may be the only person on the Internet who, despite its namesake, finds “Pi Day” on March 14th completely irrational. Here’s why: It’s completely arbitrary. Only we in the U.S. write th...
I made another trip to American Sa’moa (KH8 for the radio amateurs in the audience) to deploy instrumentation. It was a tight timeframe but the instruments seem to work and I managed to make ...
Radio activity around here was asymptotically approaching zero until this past weekend when I managed to put about two hours into the ARRL January VHF contest. In brief, here’s what’s happe...
I don’t really have time to do a full write-up, but I made a “quick” trip to American Samoa over the weekend to plan a future scientific instrument installation and managed to get on the ai...
What do you do to complete these hamfest bargains? 3D printing for the win! The best thing about it is that you can color-code the connectors, too! Finally, props to a CAD-ninja coworker for whip...
http://www.k8gu.com/custom-backshells-for-cinch-jones-connectors/