ARRL
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The K7RA Solar Update
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0733 UTC/26 APRIL2024 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.
"A coronal hole wind stream has moderately enhanced the solar wind
speed and been associated with several hours’ worth of southward IMF
parameter Bz. For this reason, it is possible that periods of G1-G2
geomagnetic storm conditions may be observed.
"INCREASED GEOMAGNETIC ACTIVI... -
The K7RA Solar Update
Solar activity increased dramatically this reporting week (April
11-17), and thirteen new sunspot groups emerged. One appeared on
April 11, two more on April 13, three more on April 14, another two
on April 15, one more on April 16 and another two on April 17. On
April 18 an additional two sunspot groups emerged, and the daily
sunspot number increased to 247.
The daily sunspot number was 199 on April... -
Active Hurricane Season Predicted for 2024
Colorado State University (CSU) hurricane researchers predict an active Atlantic hurricane season (June 1 to November 30) in their initial 2024 forecast.
ARRL Director of Emergency Management Josh Johnston, KE5MHV, attended the National Hurricane Conference in Florida in late March, where the CSU prediction was issued. "The common discussion at the National Hurricane Conference this year was the...
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Amateur Radio Saves Family in Death Valley National Park
Death Valley National Park is in a remote desert in southern California, where mobile phone networks are spotty at best. On Saturday, April 6, a radio amateur and his family were enjoying the park when their vehicle became stuck in mud in a dangerous area. Without access to a cell network, the ham called for help on the 10-meter band.
According to a news release from the Black Swamp Amateur Radi...
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Ham Radio Active During Eclipse
Millions of people across the United States got to see a rare solar eclipse on Monday, April 8, 2024.
The path of totality -- the line of darkness where the moon fully occluded the sun -- stretched through the South Pacific, Mexico, central Texas, the Ozarks, the Midwest, the Rust Belt area, and to New England through the Maritimes. In all, 14 ARRL Sections were impacted directly and several mor...