by Anthony Wood
Across the globe, the scientific community and governmental bodies are preparing for the threat posed by the potential of a massive geomagnetic solar storm striking Earth. These space weather events have the capacity to cripple vital technology-based infrastructures, and of causing a cascade that could lead to unforeseeable dangers.
Since the birth of modern technology, space weather has been responsible for large scale blackouts, technical faults in deep space exploration missions, and severe interference in flight-control systems for commercial aircraft.
One of the most powerful solar storms in history, known as the Carrington Event, occurred in 1859 and succeeded in disabling the global telegraph system. Whilst the Carrington Event was indeed impressive, humanity has yet to be struck by a truly massive solar storm.
Numerous orbital and ground-based telescopes, such as the Big Bear Solar Observatory, California, and NASA’s Solar Dynamics Observatory, are tasked with observing the Sun, and unravelling the mechanisms that create space weather.
The SDO is charged with maintaining a near-constant vigil on our star, and acting as an early warning system for potentially hostile space weather. Alongside providing insights into solar mechanics, the observatory has allowed for the creation of stunning time-lapse videos of our Sun, which work to convey the powerful stellar processes occurring on a daily basis....READ MORE
At a special meeting held via teleconference, the AMSAT Board of Directors elected Clayton Coleman, W5PFG, President. Coleman previously served as a member of the Board of Directors from 2017-2019 and also served as AMSAT’s Secretary during... Read more
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AO-27 returns from the dead
A number of amateurs have reported that the FM repeater of AO-27 has been active for brief intervals in recent weeks. When commanded on by control ope... Read more
Amateur Radio Volunteers in Indonesia Link Earthquake Zone with Outside World
Amateur Radio Volunteers in Indonesia Following a devastating 7.7-magnitude earthquake and tsunami in Central Sulawesi, Indonesia, on September 28, me... Read more
Omnia SDR Basic
The Omnia SDR Basic is a reintroduced Peaberry V2 by permission from David Turnbull (AE9RB). The Peaberry SDR V2 is a Software Defined Radio transceiv... Read more
The K7RA Solar Update – 04/10/2015
Solar activity continues to weaken. Average daily sunspot numbers dropped 27.8 points to 50.1 on April 2-8, compared to the previous seven days. Avera... Read more
The August Edition of Digital QST is Now Available
The August Edition of Digital QST is Now Available at http://www.nxtbook.com/nxtbooks/arrl/qst_201508/ • Control your station remotely from your table... Read more
Efforts Continue to Enhance ARES Program, Add Resources
The ARRL Board of Directors, committees, and Headquarters administrative staff are continuing efforts to enhance the venerable Amateur Radio Emergency... Read more
Aves Island (YV0) – Annual IOTA DXpedition Plans Morph into Visit to a Rare One
An unexpected invitation from the Venezuelan Navy gave rise to a DXpedition to Aves Island — Isla de Aves — (YV0), the current number 17 on the ClubLo... Read more
KG5BVI – Timothy Peake, British Astronaut, Dials Wrong Number From Space
By JOHN MARKOFF He may have the right stuff, but he got the wrong digits. Timothy Peake, a former British Army Air Corps officer and current European... Read more
Mobile Antenna Model 100A-HP 3.2 to 29 MHz
Mobile Antenna Model 100A-HP When properly installed on your vehicle the Model 100A-HP will provide continuous coverage from 3.2 to 29 MHz with the su... Read more
IEEE-EMC Society Chicago Chapter Meeting Attendees Give to Spectrum Defense Fund
The more than 200 attendees at the April IEEE-EMC Society Chicago Chapter meeting donated $756 to the ARRL Spectrum Defense Fund. ARRL Central Divisio... Read more
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Coaxial Cable vs Balanced Lines – “ARRL The Doctor is In“ [PODCAST]
“Coaxial Cable vs Balanced Lines” is the topic of the current (November 23) episode of the “ARRL The Doctor is In“ podcast. Listen…and learn!... Read more
Elecraft KPA500 Compact 160-6 M Solid State Amplifier
500+ Watts in a compact package the size of the Elecraft K3. We are proud to introduce the KPA500: A 500-watt solid-state amp that inte... Read more
Chameleon MPAS vs Wolf River Silver Bullet – Ham Radio Q&A
“I spent the weekend camping and testing a couple of antennas: the Chameleon MPAS 2 vertical and the Wolf River Coils Silver Bullet 1000. Both a... Read more
Engineering the Doublet Antenna
“I made this doublet connector from a piece of 6mm Nylon 66 I had knocking about. Seems easy enough. I just hope the 450 ohm behaves itself and... Read more
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“Life Above 50 MHz” [ ARRL PODCAST ]
“Life Above 50 MHz” is the topic of the new (January 17) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Eng... Read more
C56XA Gambia
Alan G3XAQ will be active from Gambia, 16 May to 4 June 2015, as C56XA.Active in CQ WW WPX CW Contest.QSL via G3SWH Read more
INRAD W1 competition headset
INRAD W1 *Photo N6MJ New for 2018: The INRAD W1 competition headset. Following the successful introduction of the INRAD Desk Microphone System in 20... Read more
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December of the CQ DL printed [ VIDEO ]
CQ DL Here is the December of the CQ DL printed… soon in your mailbox! Some impressions from the printing shop, comment (if you want to know mor... Read more
K9EID – Bob Heil To Receive Honorary Doctorate From University of Missouri
K9EID – Bob Heil To Receive Honorary Doctorate From University of Missouri – Congratulations Bob! Read Full Article: Read more
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