The Software Defined Radio Academy (SDRA) has issued a call for papers for the 2023 Ulrich L. Rohde Award. This award, named after Dr. Ulrich L. Rohde, N1UL, was created in 2022 and is presented to those who have completed innovative research in the field of software-defined radio (SDR). It's a paper award that requires a written submission by applicants. There are first - second - and third -p...
Last weekend (March 4 - 5, 2023) was the phone segment of the ARRL International DX Contest.
Although the deadline to submit logs is 2359Z on March 12, preliminary numbers already show an increase in submissions compared to the same period last year. Conditions were favorable for much of the world, and many operators took to social media to talk about their wins.
Italian ham Chris Diemoz, IX1CKN,...
So far this month, two new sunspot groups appeared on March 1,
another one on March 2, three more on March 3, one more on March 5,
two more on March 6, and another on March 7, then two more on March
9.
Average daily sunspot numbers rose from 126.3 to 143.6.
Average daily solar flux changed from 158.2 to 181.6
Average daily planetary A index declined from 27.7 to 14.6, and
average middle latitude numbe...