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Ricevitore SDR ARI PG

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Previsioni Meteo Umbria

Risorse di RADIOASTRONOMIA ed E.M.E. by I0NAA

IQ0PG & IQ0PG/P awards


 
 
  
 

 

  
 
 
 

SOLAR DATA PROPAGATION

*** RSS A.R.R.L.

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.

  • Tropical Storm Melissa Update

    All eyes and ears are on Tropical Storm Melissa, now in the Caribbean Sea. As of 6:30:00 AM EDT on Thursday October 23, 2025, the National Weather Service Hurricane Center in Miami, Florida reports that Melissa is crawling over the central Caribbean sea and is expected to bring heavy rains and life-threatening flooding  to portions of Hispaniola and Jamaica over the weekend.A hurricane watch re...

  • Important Notice: Keep Clear of Emergency Frequencies During the Contest Weekend

    Tropical Storm Melissa is nearly stationary in Caribbean on Friday, October, 24, 2025. Forecasters warn it could quickly intensify, impacting Jamaica as a hurricane and causing catastrophic flooding and landslides Haiti and the Dominican Republic. The Hurricane Watch Net (HWN) a group of licensed Amateur Radio Operators trained and organized to provide essential communications support to the Na...

  • The ARRL Solar Update

    Solar activity reached moderate levels this past week, but has nowreturned to, and remains at, lower levels. Region 4248 produced anM1.1 flare on October 20, which was the largest event of the period.Region 4261 was numbered this period as it rotated into betterviewing conditions.Region 4262 was numbered this period as well, splitting it fromRegion 4257. Additionally, new spots were noted near ...

  • The ARRL Solar Update

    Region AR4246 underwent significant evolution, growing in overallsize while gaining multiple new spots. Subsequently, AR4246 was themain provider of activity which included an M1.2 flare on October13. Several coronal mass ejections (CMEs) with potentialEarth-directed components are in the mix at this time.Additional modeling efforts are underway to perhaps confirm thosesuspicions. The largest f...

  • FCC Announces Intent to Delete Minor Part 97 Provisions

    As part of a much larger overhaul focused on deleting almost 400 obsolete wireless regulations, the Federal Communications Commission (FCC) has announced plans to delete or modify four minor provisions of Part 97. ARRL’s Washington Counsel has reviewed the proposal and agrees that the deletions are to obsolete rules and will have no impact on today’s modern Amateur Radio Service. One of the del...

  • ARRL Year of the Club Website Contest — Call for Submissions!

  • Amateur Radio Runs with the Chicago Marathon

    Amateur radio operators serve their communities across the United States in many ways, before and When All Else Fails®. Using their skills as communicators, their personal equipment, and the Amateur Radio Service, the “hams” provide a needed boost to public safety radio systems.The 47th Bank of America Chicago Marathon, held on October 12, 2025, featured 55,000 runners from around the world. An...

  • ARRL Online Auction Closes October 16

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