Student project enables hams to experiment in the 33 cm band
ARDC grant enables Bradley University students to develop an open-source, 915 MHz digital transceiver system
2m Lightweight Portable Dipole
Antennas/2M
Lightweight portable QRP 2m & 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box.
An 80 m dipole antenna for restricted spaces
Antennas/80M
You can bend the wires in a half-wave dipole so that it takes up less space, with minimal loss of efficiency.It is advisable to get the ends of the antenna as high as possible, especially if children and animals are kept in the area around the antenna, as there are very high tensions on the ends of the antenna during transmission! In Norwegian
Mapping a magnetic superstorm
A new study just released in the research journal Space Weather maps the best and worst places in the USA to be during a severe geomagnetic storm
Brazil: Major ham radio regulation changes proposed
LABRE reports Brazil's ANATEL has published a public consultation with profound changes in the regulation of the Amateur Radio Service. These include abolition of the Morse requirement
Distance Learning for Full Amateur Radio Licence Exam
Since 2011, the Bath Based Distance Learning team (BBDL) has helped over 900 students to obtain their Full Amateur Radio Licence, the next course starts in August - Book Now
ITU's ham radio station celebrates 60 years on air
Did you know that the United Nations specialized agency for information and communication technologies owns and operates its very own radio station?
Radio ham becomes Archbishop
Sweden's national amateur radio society SSA reports that a radio amateur has been appointed archbishop of the Church of Sweden
Successful 2022 SEA-PAC Ham Radio Convention Celebrates 40th Year
The Northwest's largest amateur radio convention, SEA-PAC, held its 40th anniversary show, June 3 - 5, 2022. The convention drew more than 1,500 attendees to the Seaside Convention Center, just steps from the Pacific Ocean in Seaside, Oregon. SEA-PAC is sponsored by the Oregon Tualatin Valley Amateur Radio Club, and co-sponsored by the Clark County Amateur Radio Club. The event also hosted the ...
Virgo - Meteorscatter app
Software/Linux
Virgo is originally designed to serve for meteorscatter propagation purposes in amateur radio. Maintained by Bastian, DB1BM, and Alexander, DL8AAU. Virgo is a projection of the sky visible at your location. Different to other astronomical sky views, there are no stars displayed, but the radiants of current meteor showers.
Bilsdale Transmitter Fire - Ofcom Review
Ofcom have published their review of the Bilsdale Transmitter Fire, which looks at how the incident was handled and what lessons need to be learned
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...
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