The K7RA Solar Update

Geomagnetic disturbances were down this week, but so were sunspotnumbers and solar flux.Average daily sunspot numbers declined from 92.7 to 68, and averagedaily solar flux from 141.3 to 134.3.On September 22 the sunspot number was 99, well above (by 31 points)the average for the previous seven days, a promising indication. Wehope it may signal a trend.But Solar Cycle 25 progresses, a bit better...

Amateur Radio Operators Track Hurricane Fiona

The National Hurricane Center (NHC), the Hurricane Watch Net (HWN), the Voice over Internet Protocol (VoIP) Hurricane Net, and the Salvation Army Team Emergency Radio Network (SATERN) all have been engaged in tracking Hurricane Fiona.Amateur radio operators have been reporting weather conditions since Monday, September 19, 2022, and have received positive feedback on their assistance. The VoIP ...

John Portune, W6NBC, and Jim Bailey, W6OEK, Win the August 2022 QST Cover Plaque Award

The K7RA Solar Update

Solar activity bounced back this reporting week, September 8-14, when average daily sunspot numbers jumped from 68 to 92.7, and average solar flux from 125.8 to 141.3.Fewer CMEs and flares were evident, with average planetary A index declining from 24.6 to 10.7, and middle latitude numbers from 17.4 to 10.6.New sunspot groups appeared, one on September 8, three on September 10, and one more on ...

Amateur Radio Helps Disabled Sailboat to Port

On September 7, 2022, Jeanne (Jan) Socrates, VE0JS/MM / KC2IOV, and her sailboat, the SV Nereida, set sail from Cape Flattery, the northwesternmost point of the contiguous US. She was on her way to visit friends in San Francisco, California, but 2 days of 35 knot winds and storms left her sailboat disabled and her onboard radio equipment marginally operational. Amateur operators in New Mexico, ...

Amateur Radio Takes Center Stage at The Big E

by Bob Inderbitzen, NQ1RThe Big E, “New England’s Great State Fair,” kicks off on Friday, September 16, 2022, and includes Project Big E, a 17-day amateur radio exhibit that runs through October 2, 2022. The fair, held in West Springfield, Massachusetts, is the largest agricultural event on the eastern seaboard and the sixth-largest fair in the nation.Planning for Project Big E began in 2021 by...

ARRL Headquarters is Closing Early on Friday, September 16, 2022

ARRL  The National Association for Amateur Radio® will close early on Friday, September 16, 2022, at 12 PM Eastern time (1600 UTC), for a staff event. The ARRL Headquarters lobby & store, and W1AW will be open to visitors from 8 AM to 12 PM EDT on Friday.There will be no interruption to W1AW bulletin or code practice transmissions. W1AW will follow its regular transmitting schedule on Friday.Th...

The K7RA Solar Update

 This week (September 1 to 7) two new sunspot groups emerged on September 1, two more on September 2, one more on September 5, another on September 6 another on September 7 and one more on September 8 when the sunspot number rose to 75, 7 points above the average for the previous seven days.But average daily sunspot numbers declined from 74.9 to 68, while average daily solar flux rose just two ...

Top Amateur Radio Websites - Issue 2231

40m center loaded vertical antenna, Coax Dipole for 2 meters band, 20m 30m 40m Bandpass Filters, SteppIR UrbanBeam Review, QTHnow, VA6AM Contesting Accessories, ANjo Antennen

Top Amateur Radio Websites - Issue 2230

Controlled Antenna Switch, Kenwood TS-990S Review, EPS Antennas, Voice Keyer for the backpack, Portable VHF UHF Dipole Antenna, Testing End Fed Long Wire Antenna, WSJT-X and Raspberry Pi,

Top Amateur Radio Websites - Issue 2229

50 MHz Omnidirectional antenna, Foldable Yagi Antenna, End-fed 6-meter Zepp, Digirig Mobile, How to Make an Automatic 12V Battery Charger, OTRSP Antenna Selector, TNXQSO.com , Z21RU Log Online,

Top Amateur Radio Websites - Issue 2228

Coax Attenuation Chart, 9:1 Unun Impedance Transformer, An 80 m dipole antenna for restricted spaces, 144 MHz 2m dipole for SOTA, 2m Lightweight Portable Dipole, TNXLOG, Virgo - Meteorscatter app,

Top Amateur Radio Websites - Issue 2227

DXCenter DX Cluster, Bandpass Filter Calculator, FT8 Chat, Arduino Flex Controller, Contest Log Analyzer, N3TUQ DX Maps, ICOM IC756 Fan Modification,

ICOM IC-R20

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

Random Wire Antenna Lengths

Antennas/WireWhen on the trail, at Field Day, or whenever a good antenna is unavailable, a random wire can save the day, but it is important to understand its properties.

SatNOGS Satellites List

Operating Modes/SatellitesSatNOGS DB is an effort to create an hollistic, unified, global database for all artificial objects in space (satellites and spacecrafts). You can view and export the data, contribute to it, or even connect your application using API.