Magnificent CME
Earlier today, an unusually slow solar flare hurled a magnificent CME into space. The explosion and its afterglow lasted nearly 8 hours
Radio amateur interviewed in Irish News
The Irish News interviews radio amateur Keith Burnside GI4IYO who has just retired from the BBC and he talks about the GB100BBC activation
HAMChallenge 2022 finalists announced
IARU Region 1 have announced the finalists of the first HAMChallenge
Feedback wanted on digital mode bandplan changes
With the IARU Region 1 interim conference taking place soon the RSGB is requesting feedback from radio amateurs on the proposed global HF bandplan changes to accommodate growth in digital modes
FUNcube-1 / AO73 update
Many will be aware that FUNcube-1 has been transmitting a special Fitter message to commemorate her Majesty the Queen’s Platinum Jubilee earlier this month
ICOM SHF-P1 and IC-PW2 shown at Dayton Hamvention
Icom's SHF-P1 concept model and the IC-PW2 HF/50 MHz 1 kW linear amplifier were shown at the recent Dayton Hamvention, one of the world's largest Amateur radio events held between May 20th-22nd 2022
Coax Attenuation Chart
Technical Reference/Coax Cables and Connectors
Tables with attenuation in DB per 100 feet of several coaxial cables.
9:1 Unun Impedance Transformer
Antennas/Baluns
A 9:1 unbalanced to unbalanced (unun) impedance transformer based on a published design by Peter VK6YSF.
Irish Language
The Irish Radio Transmitters Society say - It's not too often these days to hear our beautiful native Irish language spoken on amateur radio
Insane 20cm aluminum-foil antenna for 10m
Watch this YouTube video
Runestone Amateur Radio Club to host Field Day in West Union
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Why did Sunspots disappear for 70 years?
Eos reports five decades of data revealed a star undergoing a pause in magnetic activity similar to what the Sun experienced almost 400 years ago
Young person's Morse Tutor kit building event
An event aimed at young people who want to learn about radio and electronics in being held in Tandragee, County Armagh, Northern Ireland on Saturday, June 25
Press publicity for ham radio club celebrating 75 years
The Teignmouth Post reports members of Torbay Amateur Radio Society gathered for a special event station commemorating their 75th anniversary on Saturday, June 4
GB100BBC in Northern Ireland
BBC News reported on the GB100BBC special event station in Northern Ireland commemorating the centenary of the BBC
Bandpass Filter Calculator
Technical Reference/Calculators
Passive Bandpass Filter online calculator and filter formulas. Active Inverting Op Amp Bandpass Filters, Active Noninverting Op Amp Bandpass Filter, just enter the Low ir High Cutoff Frequency
A lifetime in broadcast tech
A word about James O’Neal, whose articles about technology and history are among our most popular features. His series about Franken FMs concludes in this issue of Radio World
QCWA presents AMSAT with $4,000 contribution to support Youth Initiative
AMSAT is pleased to announce that it received a generous $4,000 contribution from the Quarter Century Wireless Association (QCWA)
Learn about Amateur Radio and Emergency Communication - free
The public is invited to learn more about amateur radio at a free outdoor event sponsored by the Kensington Amateur Radio Operators and the El Cerrito Ham Operators (KARO-ECHO) and the East Bay Amateur Radio Club (EBARC)
AMSAT announces Youth Initiative at Hamvention
During its Hamvention forum on Saturday, May 21, AMSAT formally introduced plans for its Youth Initiative. In the planning stage for two years, the program will now proceed in a series of phased releases
Albania: Press interview of UK radio amateur held for suspected spying
The Scottish Daily Record interviews one of the two radio amateurs who were questioned by Albanian authorities and had their equipment seized and sent to the Albanian Criminality Laboratory
QSO Today - Desiree Baccus, N3DEZ
Desiree Baccus, N3DEZ, while a relatively new ham, has an infectious excitement and enthusiasm for amateur radio that cannot be underestimated
ARRL Audio News June 10, 2022
Pete Varounis, NL7XM, Wins the April 2022 QST Cover Plaque Award
The winning article for the April 2022 QST Cover Plaque Award is "The Better Antenna: Cooper Versus Aluminum," by Pete Varounis, NL7XM. [The QST staff hopes you enjoyed this "highly scientific" April Fool article.] The QST Cover Plaque Award - given to the author or authors of the most popular article in each issue - is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. C...
Twin City Amateur Radio Club
Champaign-Urbana Illinois
ICOM IC756 Fan Modification
Radio Equipment/HF Transceivers/ICOM IC-756
ICOM IC756 PRO II III, PS125 Fan Modifications, install an external cooling fan on the ICOM IC756 PROIII to minimize the heat on the chassis, then will perform a fan modification on the ICOM PS125 power supply to minimize the fan noise.
Rare morning sky show
The last time this happened was almost 20 years ago
UK police to spend tens of millions on legacy comms network kit
The UK's police service is set to spend up to £50 million ($62.7 million) buying hardware and software for a legacy communication network that was planned to become obsolete in 2019
Mountain Amateur Radio Club Field Day event coming up
If you’d like to learn more about what hams or licensed amateur radio operators do for fun, you can visit members of the local group at their annual Field Day event on Saturday and Sunday, June 25 and 26, 2022, scheduled this year at Wasuma Elementary School in Ahwahnee
ARISS contact is scheduled with students at IstitutoTecnicoIndustrile 'Alessandro Rossi', Vicenza, Veneto, Italy
The amateur radio ground station for this contact is in Vicenza, Veneto, Italy. Amateur radio operators will use call sign I3IRV to establish and maintain the ISS connection. The downlink frequency for this contact is 145.800 MHz
Commercial drones set for take-off under new Ofcom plans
Ofcom is helping pave the way for a revolution in commercial services delivered by drones, under a new licensing regime proposed today
Public invited to ham radio club's field day
The Madison County Amateur Radio Club will participate in a national emergency communications preparedness exercise June 25-26
Interference: FCC pursuing 'largest fine of its kind'
The Moscow-Pullman (ID/WA) Daily News reports on FCC action following interference to the radio communication of aircraft involved in firefighting
FCC Proposes Record $34,000 Fine for Alleged Interference and Unauthorized Transmissions During Idaho Wildfire
The Federal Communications Commission (FCC) has proposed a $34,000 fine against Jason Frawley of Lewiston, Idaho, for allegedly interfering with radio operations of the U.S. Forest Service during firefighting activities for the Johnson Creek Fire near Elk River in July 2021. The FCC issued a Notice of Apparent Liability for Forfeiture (NAL) on June 8, 2022 to Frawley. The FCC states in the NAL ...
Northern Lights Radio Society
Organization of Upper Midwest amateur radio operators who are active in weak signal (SSB/CW) work on the VHF, UHF, and Microwave bands
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