Il 13 febbraio 2010 si è tenuta, presso i locali della Sezione ARI di Perugia, una interessante conferenza tecnica tenuta da I0FTG. Giuseppe e I0NAA, Mario, per approfondire la teoria e la pratica di un ANALIZZATORE DI RETI VETTORIALI (VNWA).

 

 

 

 

 

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.

  • The ARRL Solar Update

    Solar activity continued at low levels with isolated C-classflaring. Regions 4381 and 4384 remained the primary drivers ofactivity. The largest event of the period was a C2.9 flare fromRegion 4381 on March 3. Region 4384 continues to rotate further ontothe disk, but foreshortening still hinders a definitivecharacterization of its magnetic complexity. Region 4378 showed somenew flux emergence bu...

  • The ARRL Solar Update

    Spaceweather.com for February 27 reports about a minor CME hurlingtowards Earth.Solar activity remains at low levels due primarily to C-class flaresjust beyond the SE limb near S21. The largest was a C5.3 flare onFebruary 25. On the visible disk, an approximate 5-degree filamenteruption was observed centered near S08W27 with an associated C2.6flare.The eruption was accompanied by a Type II radi...

  • Hams Help Forecasters with Real-Time Data on Northeast Blizzard

    A historic blizzard paralyzed much of the Northeast in late February, and amateur radio operators were on the air to help forecasters keep track of the storm’s impact. Southeastern New England was one of the hardest-hit areas. ARRL Eastern Massachusetts Section Emergency Coordinator and Boston-area SKYWARN Coordinator Rob Macedo, KD1CY, provided this summary for ARRL News:A severe blizzard left...

  • Icom America Named Official Sponsor of the ARRL Year of the Club

  • ARRL Headquarters Closed on Monday, February 23, 2026

    Due to a severe winter storm, ARRL Headquarters and the Maxim Memorial Station, W1AW, will be closed on Monday, February 23, for the safety of our staff. Connecticut Governor Ned Lamont has declared a state of emergency ahead of a blizzard that is moving into the state Sunday and continuing into Monday.There will be no W1AW bulletin or CW practice transmissions on Monday.Members can access many...

  • Job Posting: FCC Recruiting 7 Field Agents – Electronics Engineers

    The Federal Communications Commission (FCC) is looking for qualified applicants for Field Agents in seven Enforcement Bureau (EB) offices across the United States: Atlanta, GA; Boston, MA; Chicago, IL; Dallas, TX; New Orleans, LA; New York, NY, and Portland, OR. Incumbents will resolve Radio Frequency (RF) interference, educate users, and enforce regulations. The GS levels for this position hav...

  • The ARRL Solar Update

    Solar activity returned to low levels this past week. The strongestevent of the period was a C1.8 flare on February 17 from region4374. This region was also responsible for a C1.4 flare on February18. The only other flare of note was a C1.1 flare on February 17from an unnumbered plage region near S05E85. (A plage region is abright, intensely hot region in the Sun's chromosphere, typicallyfound ...

  • New Book Release: Digital Networking for Ham Radio

    ARRL The National Association for Amateur Radio®’s new book, Digital Networking for Ham Radio, a practical, hands-on guide to designing and implementing high-speed data networks for amateur radio stations, is now shipping.Written by Glen Popiel, KW5GP, the book brings together in one comprehensive resource the knowledge needed to build, configure, and expand digital networks for ham radio. From...

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