The K7RA Solar Update 
New sunspot group 2739 appeared on April 17, and the daily sunspot number rose to 24. The new sunspot has a polarity indicating it is still part of old cycle 24, the current sunspot cycle. This reporting week (April 11-17) the average daily sunspot number rose from 6.9 to 14, while average daily solar flux increased from 75.4 to 76.4.
Sunspots have been visible on every day since April 7, so as ...
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The K7RA Solar Update
New sunspot group 2739 appeared on April 17, and the daily sunspot number rose to 24. The new sunspot has a polarity indicating it is still part of old cycle 24, the current sunspot cycle. This reporting week (April 11-17) the average daily sunspot number rose from 6.9 to 14, while average daily solar flux increased from 75.4 to 76.4.
Sunspots have been visible on every day since April 7, so as ...
ARRL Headquarters will be Closed on Friday, April 19
ARRL Headquarters will be closed on Friday, April 19. There will be no W1AW bulletin or code practice transmissions on Friday, and no edition of the ARRL Audio News podcast this week. ARRL Headquarters will reopen on Monday, April 22, at 8 AM EDT. We wish everyone a safe and enjoyable holiday weekend.
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ARRL Headquarters will be Closed on Friday, April 19
ARRL Headquarters will be closed on Friday, April 19. There will be no W1AW bulletin or code practice transmissions on Friday, and no edition of the ARRL Audio News podcast this week. ARRL Headquarters will reopen on Monday, April 22, at 8 AM EDT. We wish everyone a safe and enjoyable holiday weekend.
AMSAT Academy to be Held Prior to Hamvention
AMSAT Academy will take place on Thursday, May 16, the day before Hamvention. AMSAT says this is a unique opportunity for both beginners and advanced satellite operators to learn about Amateur Radio in space and working the FM, linear transponder, and digital satellites now in orbit.
AMSAT Academy will take place on Thursday, May 16, 9 AM until 5 PM, at the Dayton Amateur Radio Association (DARA...
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AMSAT Academy to be Held Prior to Hamvention
AMSAT Academy will take place on Thursday, May 16, the day before Hamvention. AMSAT says this is a unique opportunity for both beginners and advanced satellite operators to learn about Amateur Radio in space and working the FM, linear transponder, and digital satellites now in orbit.
AMSAT Academy will take place on Thursday, May 16, 9 AM until 5 PM, at the Dayton Amateur Radio Association (DARA...
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