Upswing in Solar Cycle 25 Activity May Have Begun04/21/2021 Frank Donovan, W3LPL, says the long-anticipated significant increase in Solar Cycle 25 activity may have begun on April 19. “As a result, 30- and 20-meter nighttime propagation and 17- and 15-meter daytime propagation is likely to be enhanced through at least April 26. The solar flux […]
News
Registration is Open for Virtual Visalia 2021
Registration is Open for Virtual Visalia 202104/21/2021 The 72nd meeting of the International DX Convention, aka “Visalia,” is now open for registration. The virtual 2-day meeting, sponsored by the Northern California DX Club (NCDXC) will be held on Saturday, May 15, and Sunday, May 16, via Zoom webinars. In addition to a safe, front-row seat […]
FCC Issues Enforcement Advisory
FCC Issues Enforcement Advisory: Radio Users Again Reminded Not to UseRadios in Crimes 04/20/2021 On April 20, the FCC’s Enforcement Bureau issued a new Enforcement Advisory, repeating the admonishments contained in a January Advisory that no licensee or user of the Amateur or Personal Radio Services may use any radio equipment in connection with unlawful […]
ARES Matters
ARES matters: Many thanks to our District Emergency Coordinator Tim Howard / KE6TIM and staff, who very kindly assisted a great many of us in the processing of our Emergency Responder Identification cards in downtown San Jose on Saturday, April 17. Here’s an image from the event — https://tinyurl.com/3crnv2bv […]
Archive of Marconi Papers and Correspondence Acquired by California Museum
Via ARRL: Archive of Marconi Papers and Correspondence Acquired byCalifornia Museumhttps://tinyurl.com/2u66u5dd04/15/2021 The Huntington Library, Art Museum, and Botanical Gardens in San Marino, California, has acquired an archive of papers and correspondence to, from, and about wireless pioneer and Nobel laureate Guglielmo Marconi. Among the more than 200 pages of correspondence are 31 letters from Marconi […]
Earthlings and Astronauts Chat Away, Via Ham Radio
Forwarded from ARRL headquarters: “Earthlings and astronauts chat away, via ham radio” by Samantha Masunaga, phys.org https://phys.org/news/2020-12-earthlings-astronauts-chat-ham-radio.html […]
California Ham Helps Rescue Lost Hiker
California ham helps rescue lost hiker: public service, in the very best sense. “Passing this along – Ben, AI6YR is an extraordinary contributor to the hobby.”Jeff Reinhardt, AA6JR, PIC / Santa Barbara Section https://tinyurl.com/23h7mvzh […]
IEEE Abstract
Sharing this IEEE abstract, via Ward / N0AX: Citizen Scientists Conduct Distributed Doppler Measurement for Ionospheric Remote Sensing. “Doppler shift measurement using time standard stations as passive radar beacons is well-established as a means of estimating virtual ionospheric height. A community science experiment in distributed Doppler shift measurement was conducted in October 2019 using the […]
Updated Radio Frequency Exposure Rules Become Effective on May 3
Updated Radio Frequency Exposure Rules Become Effective on May 304/12/2021 The FCC has announced that rule changes detailed in a lengthy 2019 Report and Order governing RF exposure standards go into effect on May 3, 2021. The new rules do not change existing RF exposure (RFE) limits but do require that stations in all services, […]
Summits on the Air (SOTA)
Here’s another discussion specific to Summits on the Air (SOTA) — “Inside the Summit-Obsessed World of Ham Radio”. This reference courtesy ARRL headquarters. https://www.outsideonline.com/2421479/ham-radio-hobby-summit […]