With sunspot regions 2993 and 2994 we have two formidable sunspot regions on the earth-facing solar disk. These regions are...
Space
On April 17, NASA's Solar Dynamics Observatory (SDO) captured the blow of an X1-class solar flare caused by massive group...
A radio blackout was caused over the areas of Asia and Australia by a solar flare on Sunday, according to spaceweather.com....
Two major sunspot regions (2993 and 2994) have now rotated onto the earth-facing solar disk. These regions were already very...
Out of nowhere yesterday we were surprised by M-class solar activity. A sunspot region that is hiding behind the north-east...
M-class flaring continues today from sunspot region 2975 with an M2.9 solar flare this night and a spectacular long duration...
What an eventful few days we are having. Solar flares, coronal mass ejections and now even geomagnetic storming! Indeed, the...
We are still awaiting the arrival of two coronal mass ejections launched by a couple of M-class solar flares from...
A huge surprise at 05:26 UTC today as unimpressive sunspot region 2974 produced a long duration M1.4 solar flare. It...
The International Amateur Radio Union (IARU) satellite frequency coordination panel reports that an application has been submitted for an amateur...
AMSAT has received a generous grant from Amateur Radio Digital Communications (ARDC) for the development of a 3U spaceframe with...
The IARU satellite frequency coordination panel report an application has been submitted for an amateur radio payload to be hosted...
A study reported in Nature, “Satellite mega-constellations create risks in Low Earth Orbit, the atmosphere and on Earth,” in Scientific Reports (May 2021)...
Satellite pioneer Raphael “Ray” Soifer, W2RS, of Green Valley, Arizona, died on March 1. An ARRL Life member, he was...
Amateur Radio on the International Space Station (ARISS-USA) has announced that two crew members scheduled to fly on Axiom Mission-1...
A very long duration C3.1 solar flare peaked yesterday at 20:55 UTC. The solar flare came from sunspot region 2962....
It takes 2.6 seconds to send a radio signal to the other side of the world, via the surface of...
Amateur Radio on the International Space Station (ARISS) is accepting applications until March 31 from US schools, museums, science centers,...
A geomagnetic storm on February 4 “significantly impacted” the launch of some 49 Starlink satellites. The company said the satellites...
Numerous powerful X-class solar flares occurred last fall as Solar Cycle 25 activity picked up. Jon Jones, N0JK, covered the...
At AMSAT’s request, NASA has “de-manifested” the GOLF-TEE CubeSat from the ELaNa-46 mission. ELaNa is NASA’s Educational Launch of Satellites...
How do you look back over your life and divide it up? Maybe by decades, cultural moments, or geopolitical events....
Sunspot region 2936 produced an M1.1 solar flare which peaked at 23:32 UTC back on Saturday, 29 January. This large...
NASA has caught sight of an explosion more than 100 million km from Earth. The explosion was a solar flare...
AMSAT-EA (Spain) has said it appears that EASAT-2 and HADES are transmitting, and that weak signals have been heard, but the...
