NASA Computer Memory and More

The 50th anniversary of the Apollo 11 moon landing is approaching! This is our first NASA-related tech talk! While at IBM Federal Systems Division located in Owego, NY Lynn Liebschutz worked on the On Board Computer memory system for Gemini and the follow-on guidance and navigation computer. A similar memory system in a much more […]

Field Day Wrap-Up 2018

Here’s a belated posting of the June Field Day results. Checking the ARRL Database, K6MMM had the highest 3A score in the SCV section, and K6MMM was #6 in the SCV section overall. Congratulations! — Kerry K3RRY.  On July 6, 2018, members of the San Lorenzo Valley Amateur Radio Club met to discuss the results of […]

Burning Man

Kerry’s presentation on November 2, 2018, covered his experiences during 15 years of attending Burning Man (including his later use of APRS to coordinate his camp). Here’s a PDF of his slides. Web addresses of all of the web pages that Kerry visited during the presentation are embedded at the bottoms of the appropriate slides. […]

How to Program a Baofeng/Radioddity UV-5R EX

Amazon has a good deal on Baofeng/Radioddity UV-5R EX handheld radios. I’ve confirmed that this radio works well, but it is difficult to program. So to help, I’ve created a page with programming instructions for storing the SLVARC repeater as a channel.  

Friedrichshafen 2018

John AC6SL presented photos and stories from his European trip to attend the Friedrichshafen International Amateur Radio Expedition. You missed his talk? Here’s a link to his slides.