NOAA’s Space Weather Prediction Center (SWPC) says a minor (G1) geomagnetic storm watch remains in effect for April 24-26, due to the continued influence of a large, recurrent, negative-polarity coronal hole high-speed stream (CH HSS). A coronal hole is an area of the Sun where the magnetic field folds back, and solar wind escapes. This follows on the heels of an unexpected coronal mass ejectio...
This just in from the Australian Space Forecast Centre at 2349 UTC on April 20, 2017:
Recurrent coronal hole is expected to be geoeffective.
INCREASED GEOMAGNETIC ACTIVITY EXPECTED
DUE TO CORONAL HOLE HIGH SPEED WIND STREAM
FOR 23 APRIL 2017
GEOMAGNETIC ACTIVITY FORECAST
23 Apr: Active to Minor Storm
Spaceweather.com reported old sunspot AR2644 returned after a 2-week trip around the Sun, and explode...
When Hamvention® opens on May 19 for the first time in Xenia, Ohio, the focus of ARRL activities will be the ARRL EXPO in Building 2 of the Greene County Fairgrounds and Expo Center. ARRL will sponsor a slate of forums on all 3 days of Hamvention.
To highlight the new location, some fresh ARRL forum topics will accompany the old standards. Space is limited at some forum venues.
- ARRL has reached o...
As they have done in past years, radio amateurs in Puerto Rico took part in the Caribe Wave tsunami exercise on March 21. Tsunami Preparedness Week was March 19-25 for Puerto Rico and the Virgin Islands. Caribe Wave is the annual tsunami exercise of the UNESCO Tsunami and Other Coastal Hazards Warning System for the Caribbean and Adjacent Regions (CARIBE-EWS). Its major objective is for countri...
From the International DX Convention in Visalia California comes word that DXer and Tromelin 2014 team leader Sebastien “Seb” Poulenard, F5UFX, is the recipient of the Intrepid Spirit Award, sponsored by the Intrepid-DX Group.
“This award is to recognize Sebastien’s outstanding efforts to activate Juan de Nova Island as FT4JA and Tromelin Island as FT4TA,” said Intrepid-DX Group Founder and Vice...
For the past 24 years, members of India’s West Bengal Radio Club (WBRC) have helped to reunite lost or injured individuals, many of them pilgrims attending the Ganga Sagar Mela festival each January. The Ganga Sagar fair and pilgrimage, held on Sagar Island’s southern tip in the Ganges Delta on the Bay of Bengal, attracts a huge number of people, and the club typically fields a special event st...
The winning article for the April 2017 QST Cover Plaque award is “DIY Remote Radio Now” by Jim Millner, WB2REM, and Gene Hinkle, K5PA. The QSTCover Plaque Award -- given to the author or authors of the most popular article in each issue -- is determined by a vote of ARRL members on the QST Cover Plaque Poll web page.Cast a ballot for your favorite article in the May issue today.
Motorola Solutions on March 29 announced that it had filed patent infringement complaints with the Regional Court of Düsseldorf, Germany, against Hytera Communications of Shenzhen, China, and Hytera Mobilfunk of Bad Munder, Germany.
The legal action in Germany came on the heels of complaints the company filed in the US District Court for the Northern District of Illinois, alleging that Hytera’s...
The deadline is May 16 to purchase tickets for the 11th annual joint TAPR/AMSAT Banquet, set for May 19 in conjunction with Hamvention. Tickets ($35) will not be sold at Hamvention, and ticket pick-up will not be available at the AMSAT booth.
A list of tickets purchased online will be maintained, with check-in at the door.
The Banquet will take place at the Kohler Presidential Banquet Center, 457...
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.