FOTOGALLERY - 20170430 IQ0PG U90ARI1 Countries collegati

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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.
  • Sunspot numbers were lower again this week, with the averagedeclining from 143.6 two weeks ago to 118.7 last week and now 68this week. Average daily solar flux sank 8 points from 153.6 lastweek to 145.6.Six new sunspot groups emerged over the week, one on March 17,another March 18, three more on March 19, one more on March 21 andanother on March 22.Predicted solar flux is 150, 145 and 145 on Ma...

  • The Federal Emergency Management Agency (FEMA) has released a final version (March 2023) of the National Incident Management System (NIMS) Information and Communications Technology (ICT) Functional Guidance. The guidance, which provides a framework for communications resources within incident management, officially includes support from amateur radio operators. The expanded Communications Unit ...

  • Tornado season is fast approaching, and amateur radio operators will again play a key role in helping the National Weather Service (NWS) issue accurate and timely warnings. In fact, March through May is considered the most active period for tornadoes to develop.The NWS reports there have already been 255 preliminary filtered reported tornadoes and 213 confirmed tornadoes in the United States in...

  • Six new sunspot groups emerged over the past week, two on March 9,another on March 10, one more on March 12, and another two on March14.Sunspot numbers and solar flux declined this week.Average daily sunspot numbers softened from 143.6 to 118.7, andaverage daily solar flux from 181.6 to 153.6.Predicted solar flux is 135, 140, 138, and 135 on March 17-20, then132, 132 and 130 on March 21-23, 155...

  • Ron Cramer, KD8ENJ, of Dayton, Ohio, passed away on Saturday, March 11, 2023. He was Vice President of the Dayton Amateur Radio Association (DARA) and previously served as its President.Cramer was General Chairman of Dayton Hamvention®, the world's largest annual gathering of radio amateurs, from 2017 to 2018. In 2017, he was among the Hamvention leadership and team who helped successfully relo...

  • Due to anticipated severe winter weather, ARRL Headquarters will be closed on Tuesday, March 14, 2023, for the safety of our staff. The Headquarters lobby & store, and W1AW will be closed to visitors on Tuesday. We anticipate reopening on Wednesday, March 15, at 8 AM Eastern.ARRL reminds members and prospective members to access information and services online at www.arrl.org.

  • The Software Defined Radio Academy (SDRA) has issued a call for papers for the 2023 Ulrich L. Rohde Award. This award, named after Dr. Ulrich L. Rohde, N1UL, was created in 2022 and is presented to those who have completed innovative research in the field of software-defined radio (SDR). It's a paper award that requires a written submission by applicants. There are first - second - and third -p...

  • *** RSS DX ZONE

    Latest articles, reviews and links posted to The DXZone.com, an amateur radio, cb radio, scanning and shortwave radio, reference site The DXZone.com Amateur Radio Internet Guide
  • Spiral Dipole Antenna for 40m, End fed half wave antenna 40/30/20m, Six Meter Yagi, Microvert Antenna for 40m by ON7IR, 70MHz transverter, A 7 elements 144MHz yagi antenna, Morse key and buzzer project for Scouts, ARRL - Radio Scouting

  • KD5RVX MicroVert Antenna, Capacitive Antenna by DL7JV, FT8WW Crozet DXPedition, Can Antenna Calculator, Antenna too long! Capacitive couple with transformation to TRX., Microvert antenna calculator, FT5/W Crozet 2022,

  • The uBITX v6 is a compact and versatile single board transceiver that covers the entire HF range with minimal controls. It features an Arduino Nano controller, Si5351 oscillator, and a double conversion superhet architecture. Simple to build and align, it offers up to 10 watts pep on lower HF bands.

  • A compact 5 bands remote switchable BPF , DJ9PK SWR Meters, Zen and the Art of Radiotelegraphy, KC9ON CW Morse Products, FOC Guide to Morse Code Proficiency, ITU International Morse Code Recommendation,

  • The importance of having a Morse practice oscillator for those who want to learn Morse code. Options for buying or building one.

  • IC-R20 by Icom. Wideband Receiver Professional radioreceiver, allow double receiver, from HF to Microwave, digital recorde, DTCS, Memories and 11 hours countinuous reception.

  • Antennas/StealthAn attic wire antenna with several modifications during the time. Began as a simple coax fed doublet antenna, and upgraded to a multi-band hf fan dipole, till the G5RV all deployed in an attic.

  • Technical Reference/Radio Frequency InterferenceIf you are having problems with RFI from Solar Panels this document from QST provides useful advice. According to this article it is possible to prevent and mitigate RF interferences, with your amateur radio equipment, by suppressing the RF either in the shack and to the solar power infrastructure.

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