Solar activity ranged from low to high. Region 4087 produced the strongest event of the period, an impulsive R3 flare on May 14 at 0825 UTC near the NE limb. The region also produced R2 flares at 0325 and 1119 UTC. Finally, three R1 events were produced by the region on May 14 and 15. Region 4086 also produced an R3 event, with a flare observed on May 13 at 1538 UTC.
No proton events were o...
ARRL interacted with thousands of members at 2025 Dayton Hamvention®, held May 16-18 in Xenia, Ohio. There were many ARRL programs and services available to visitors to the ARRL Expo area. The ARRL Youth Lounge was busy throughout the event, and “the kids were loving it,” according to Education and Learning Manager Steve Goodgame, K5ATA, who pointed out that the young visitors were building cod...
In September 1965, Hurricane Betsy hit Florida, the Bahamas, and the central US Gulf Cost. The damage was nearly $1.42 billion, earning the storm the nickname Billion Dollar Betsy. Forecasting for storms like Betsy was still in its infancy.
Bobby Graves, KB5HAV, the current Hurricane Watch Net (HWN) manager, shared that amateur radio operator Gerald E. “Jerry” Murphy, K8YUW, then 28 years old, ...
ARRL The National Association for Amateur Radio® reports that early this morning, May 22, 2025, the US House of Representatives passed a massive Reconciliation bill with the below spectrum provisions relevant to Amateur Radio.
ARRL members in Utah have elected Brett Pruitt, K7BDP, of Hurricane, to continue as the ARRL Utah Section Manager, and his new term of office starts on July 1. Pruitt received 275 votes and Bob Craven, N7GTE, received 234 votes. Election ballots were counted on Tuesday, May 20, at ARRL Headquarters.
Pruitt was first appointed as Section Manager of the ARRL Utah Section on February 1, after previ...
ARRL The National Association for Amateur Radio® honors and remembers the ultimate sacrifice made by those who served in the U.S. armed forces. ARRL Headquarters will be closed Monday, May 26, 2025, in observance of Memorial Day.
There will be no W1AW code practice or bulletin transmissions on Memorial Day. ARRL Headquarters will reopen Tuesday, May 27, at 8 AM EDT.
Visit the ARRL Special Events ...
Per scaricare la circolare in PDF cliccare sull'immagine(link is external)
Per scaricare la circolare anagrafica online in PDF cliccare QUI(link is external)
Per scaricare lo standard composizione indirizzi in PDF cliccare QUI(link is external)
Per scaricare la normalizzazione dei report in PDF cliccare QUI(link is external)
By: Rich Moseson, W2VU
What do the Dayton Hamvention® flea market and Xenia, Ohio, weather have in common? They each offer a little bit of everything! Friday’s hot and humid afternoon was followed by thunderstorms at night and cool, windy, weather on Saturday. The Hamvention itself, though, provided consistently positive experiences for just about everyone. ARRL activities were highlighted by th...
After weeks of calm, solar activity is suddenly high again, with two
strong solar flares erupting from opposite sides of the Sun. A
Coronal Mass Ejection (CME) was associated with a strong solar flare
on May 12, but modeling shows the ejection passing behind Earth. The
geomagnetic field has been at unsettled to active conditions.
A CME associated with a filament eruption in the northern hemisphere
is...
It was a flurry of activity around the exhibit space for ARRL The National Association for Amateur Radio® and beyond. Trucks being unloaded, tables being arranged, boxes being opened and even tablecloths being ironed were among the sights and sounds Thursday at Ohio’s Greene County Fairgrounds as hundreds of ham radio manufacturers, retailers, clubs, and organizations prepared for Friday’s open...
ARRL The National Association for Amateur Radio® in a recent filing encouraged the Federal Communications Commission (FCC) to listen to industry stakeholders about the detrimental impacts that changes to the 902-928 MHz band would have for current users.
The FCC is considering a petition by NextNav, Inc., a licensee in the 900-MHz Location and Monitoring Service (LMS), to reconfigure the 902-928...
Questa data segna l’anniversario della fondazione dell’Unione Internazionale delle Telecomunicazioni (ITU), costituita il 17 maggio del 1865 con lo scopo di gestire gli standard delle telecomunicazioni e delle onde radio in tutto il mondo. La ITU, con sede a Ginevra, assegna anche i prefissi internazionali dei servizi di comunicazione, utilizzati anche dai radioamatori.
Le Poste lussemburghesi hanno emesso un francobollo speciale in occasione del 100° anniversario della IARU grazie all’interessamento della nostra consorella RL, Radioamateurs du Luxembourg.
Il francobollo e la cartolina sono disponibili al negozio online di Post Philately.(link is external)
La cartolina con il francobollo speciale potrà essere acquistata anche presso lo stand RL alla prossima Fiera di Friedrichshafen. Chi lo desidera, può preordinarla entro il 31 maggio via e-mail all'indirizzo dx(at)pt.lu
The Solar Geophysical Activity Report and Forecast from the
USAF/NOAA indicates that solar activity has been at low levels for
the past 24 hours.
There are currently four numbered sunspot regions on the solar disk.
Solar activity is expected to be low with a chance for M-class
flares on May 10 and 11.
A simultaneous filament eruption produced a narrow Coronal Mass
Ejection (CME) signature that was fir...
Commenti recenti