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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.
  • No new sunspots appeared over the past reporting week, November 24 to 30.  But sunspots were visible every day.  Then on December 1 three new sunspot groups emerged.  The sunspot number rose from 12 to 49 and the total sunspot area went from 10 to 330.Sunspot numbers and solar flux declined during this reporting week (November 24 to 30), with average daily Sunspot number dropping from 66 to 46,...

  • Dr. Kristina Collins, KD8OXT, earned her PhD in Electrical Engineering from Case Western Reserve University on November 18, 2022. Dr. Collins' thesis, Development of a Low-Cost Meta-Instrument for Distributed Observations of Ionospheric Variability, focuses on the development of the HamSCI Grape Personal Space Weather Station Network. Ham Radio Science Citizen Investigation (HamSCI) serves as a...

  • The BEARS of Manchester Amateur Radio Club in Manchester, Connecticut, spent Thanksgiving Day providing amateur radio communications support for the 86th Manchester Road Race.The race, a 4.748-mile course that begins and ends on Main Street in downtown Manchester, has been a Thanksgiving Day tradition since 1927. This is the 30th consecutive year the BEARS of Manchester Amateur Radio Club has p...

  • Students at Five Bridges Junior High School in Stillwater Lake, Nova Scotia, Canada, finally had an opportunity to talk with an astronaut onboard the International Space Station (ISS) via ham radio.On Wednesday, November 23, 2022, the students were able to talk with Astronaut Josh Cassada, KI5CRH, for about 11 minutes as the ISS passed over northern Europe.The students were anxious to ask quest...

  • On December 1, 2022, YOTA begins a month-long, special event to celebrate young amateur radio operators -- YOTA Month 2022. YOTA is Youth or Youngsters on the Air. Amateur radio operators aged 25 and younger will be on all bands using all modes throughout the month to make contacts around the world. In 2021, YOTA participants worldwide made 119,516 contacts, surpassing their goal of 100,000 con...

  • The Quarter Century Wireless Association (QCWA) will celebrate its 75th anniversary on December 5, 2022.Founded in 1947, QCWA's mission includes promoting "friendship and cooperation among Amateur Radio (Wireless) operators who were licensed as such at least a quarter of a century ago."Today, QCWA has 230 chapters in the US. During the organization's 75 years, it has had nearly 40,000 members. ...

  • ARRL Headquarters was closed for the holiday last Thursday and Friday, so this bulletin is delayed until Monday, but has fresh content from Sunday night.At 2228 UTC on November 27, the Australian Space Weather Forecasting Centre issued a geomagnetic disturbance warning. “A coronal hole wind stream is expected to induce G1 periods of geomagnetic activity from mid-30 - November to 01-December.”So...

  • ARRL Headquarters will be closed on Thursday and Friday, November 24 - 25, 2022, for the Thanksgiving holiday. There will be no W1AW bulletin or code practice transmissions on those days. ARRL HQ will reopen on Monday, November 28, at 8 AM EST.On behalf of ARRL, Happy Thanksgiving! We are thankful to our members and member-volunteers, and all radio amateurs who help us advance the art, science,...

  • *** 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
  • Slim Jim vs. Traditional J-pole Antenna, 40-80 Coax Trap Dipole, Repurposing LEDs from commercial strips, Roving Antenna Range and Much More, N6QAB Hidden Transmitter Controllers, FT-817 CAT and Dig Mode Interface

  • The UnTenna, Wire Beam Antenna Types, Universal PC Headset Interface, Camping Portable antenna overview, E-Sporadic Forecast - propquest, More UHF Cheap Yagi Antennas, Yaesu FT-950 CAT Manual

  • Short Antenna for 40-30-20 Meters Band, VE6LK Fan Dipole , Zeppelin aerials, VHF APRS Propagation Map, How RTL-SDR dongles work, Elecraft K2 Preselector Modification, IC706 MKIIg Cooling Fans Mod

  • Amateur Radio License Map, 80m Vertical, RF Exposure Calculator, Demonstrating AM sidebands, Retevis RT3 Tytera MD-380 Modifications, Automated Voice announcements over RF , ARRL Exam Review for Ham Radio,

  • The Pop-Up Vertical 2.0, Handheld SSB transceiver for 20m, CAT Interface for Yaesu FT-817 and FT-100, Homebrew an OCF Off-Center Fed Dipole Antenna, Field Day Inverted L, Miniature CI-V for Icom Radios, A Mobile Antenna Mount for T-Hunting,

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

  • Technical Reference/FiltersIf your multiple transceiver station is suffering of intrastation interference, this handy and inexpensive band pass filters and help you. QST article Sept 1988

  • Antennas/OCFA multi-band off centre fed dipole, designed to operate on all bands from 40m (7MHz) to 6m (50MHz). Author claims it will operate on 40, 30, 20, 17, 15, 12 and 10m without an ATU (SWR

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