ARRL новости

Venerable AO-7 Satellite Approaching a Return to Full Solar Illumination

AMSAT-OSCAR 7 (AO-7), the oldest amateur radio satellite still in operation, is nearing a return to full illumination by the sun, which should take place around September 25 and continue until around December 26. AMSAT’s vice president of operations Drew Glasbrenner, KO4MA, says that during this period, AO-7 likely will switch between modes A (2 meters up/10 meters down) and B (70 centimeters u...

MARS Communications Exercise will Involve Amateur Radio Community

Military Auxiliary Radio System (MARS) volunteers will take part in the Department of Defense (DOD) Communications Exercise 20-4, starting on October 3 and concluding on October 26.

The MARS focus is interoperability with ARRL and the amateur radio community. “Throughout the month of October, MARS members will interoperate with various amateur radio organizations that will be conducting their an...

The K7RA Solar Update

Tad Cook, K7RA, Seattle, reports: Lots of news lately about the solar cycle, but no sunspots. Today, September 18, is the 29th consecutive day with no sunspots.

The news this week was about the Solar Cycle 24 minimum, announced recently as having occurred during December 2019 and indicating the start of Solar Cycle 25. The reason that announcement is just coming out now has to do with the nature...