Brian Justin, Jr., WA1ZMS, of Forest, Virginia, will operate experimental station WI2XLQ on 486-kHz AM for the Reginald Fessenden commemorative transmission starting approximately at 22:00 UTC on December 24, 2024.

Transmissions will last for at least 24 hours. A repeat transmission will take place on December 31, also starting approximately 22:00 UTC and running for 24 hours. All transmissions ...

ARRL The National Association for Amateur Radio® will close our headquarters early at 12 PM Eastern Standard Time (1700 UTC) on Tuesday, December 24, 2024, and will be closed all day on Wednesday, December 25 for Christmas.

The ARRL Headquarters lobby and store, as well as W1AW, will be open to visitors from 8 AM to 12 PM EST on Tuesday, December 24. There will be no W1AW bulletins, code practi...

Excellent HF conditions greeted hams in the ARRL 10-Meter contest
last weekend. Recent indicators show a sudden shift to two digit
daily sunspot numbers from three, and although there is nothing
significant about 100, it makes one notice.

All daily sunspot numbers this week were 97 or less.

Perhaps this indicates a move off of solar maximum, or to a future
with a second maximum.

Solar activity was way...

Average daily sunspot number plummeted to 104.4.

Weekly Commentary on the Sun, the Magnetosphere, and the Earth's Ionosphere for December 12, 2024 from OK1HH:

"The high solar activity in October this year suggests that this may have been the peak of an 11-year cycle.  This is not to say that solar activity will not continue to rise.  On the contrary, it may well be that the first maximum of the...