Page 3 - Ham Operator News Today : Breaking News, Live Updates & Top Stories | Vimarsana

The K7RA Solar Update 03/05/2021 Tad Cook, K7RA, Seattle, reports: We saw one day during the February 25 – March 3 reporting week — Monday, March 1 — with no sunspots, so the average daily sunspot number declined slightly from 19.6 to 18.9. Two new sunspot groups (2806 and 2807) appeared on Tuesday, March 2. Average daily solar flux increased only slightly during the reporting week, from 75.7 to 76.7. Average daily planetary A index softened slightly from 16 to 14.7, and the middle latitude average went from 12.4 to 10.4. Geomagnetic indicators remained somewhat active due to persi...

ARISS, NASA, and ESA Continue to Probe Amateur Radio Problems on ISS 03/03/2021 Amateur Radio on the International Space Station ( ARISS) International Chair Frank Bauer, KA3HDO, reports that the ARISS team has been working closely with NASA and the European Space Agency (ESA) to identify what may have caused what ARISS is calling a “radio anomaly” on January 27. The net result has been an inability to use the NA1SS ham station gear in the ISS Columbus module. For the time being, ARISS school and group contacts with crew members have been conducted using the ham station in the ISS Se...

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.

Approaches to Tackle Noise Problems Vary, Remedies Elusive 03/03/2021 RF noise is a frequent discussion topic among radio amateurs. A proliferation of electronics has cluttered and complicated the noise environment; it’s not just power lines anymore. Unless isolated from civilization, most hams experience RF interference (RFI) — sometimes without even realizing it, although spectrum scopes on modern transceivers make RF noise much more apparent. Various approaches to address the apparently worsening noise floor have been taken around the world, some addressing lax regulation. “We a...

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.