miniVNA PRO Installation Notes
Radio Equipment/Antenna Analyzers
Notes on installing the miniVNA PRO software, making a calibration standard, a trap tuning loop.
How BBC changes affect Freeview, Freesat and Sky
A series of cuts to services are being planned by the BBC
Amateur Radio “Field Day” June 25 and 26
The public is invited by the Boston Amateur Radio Club to view the proceedings on Saturday from 2 to 8 PM and on Sunday from 10 to 1 PM at Hale Reservation, 80 Carby Street, Westwood, MA. Drop by to see them in action, learn how to join in on the hobby
China prepares final missions to complete its Tiangong space station
China released details about the final stages of work on its Tiangong space station, an under-construction orbiter started after the US barred Beijing from participating in the International Space Station
A meteor outburst is possible tonight
Probably nothing will happen. However, there is reason to believe that a cloud of debris from broken comet 73P/Schwassmann-Wachmann 3 is approaching Earth, and could cause a meteor outburst over North America on the night of May 30-31
'Q' RSL to celebrate The Queen's Platinum Jubilee
Holders of a UK Foundation, Intermediate or Full Amateur Radio licence can apply online for a Notice of Variation (NoV) to use the 'Q' RSL in their callsign during the month of June
Australia: Under 18's can take ham radio exam online
The WIA recently received official AMC documentation confirming a shift in Amateur Radio Remote Exam Procedure
SOTA on BBC Countryfile
The hobby of amateur radio, and portable operating in particular, will receive some high profile coverage this coming Sunday, 5th June, on national televsion
An introduction to the air cored coil
Antennas/Coils
We use the term air core coil to describe an inductor that does not depend upon a ferromagnetic material to achieve its specified inductance. This covers the cases where there really is just air inside as well as windings upon a different insulator such as bakelite, glass or PTFE etc. Do you need an air coil?
Top Amateur Radio Websites - Issue 2218
Measuring with a MiniVNA, Automatic Arduino Antenna Switch, The KC5LDO Vertical Antenna, Decoder CW, 2 Meter Portable Yagi Antenna, Arduino Nano and si5351 Digital VFO/BFO, 70MHz Quarter Wave GP Antenna
Radio ZS 75th anniversary
The July 2022 Radio ZS with be the 75th anniversary issue of the magazine
EI90IRTS
The Irish Radio Transmitters Society was founded in 1932 and this year the society celebrates its 90th birthday. To mark the occasion the society has secured the special call-sign EI90IRTS
Noise Cancellation Part 1
Watch this very informative video by W2UD
ARISS contact is scheduled with students at Old St. Mary's School, Chicago, Illinois, USA
The ARISS amateur radio ground station (telebridge station) for this contact is in Aartselaar, Belgium. The amateur radio volunteer team at the ground station will use the callsign ON4ISS, to establish and maintain the ISS connection
OARC SOTA Activity Day June 25
The Online Amateur Radio Community is planning the activation of various summits across the UK for their SOTA Activity Day on June 25
VSWR Calculator
Software/RF Design
This calculator converts between VSWR and Return Loss, Reflection Coefficient, Mismatch Loss, and Reflected Power.
WIA at Dayton Hamvention
Dayton Hamvention is renowned to be one of the big three hamfests in the world. The other two are Friedrichshafen in Germany being held in late June and Tokyo Hamfair which is to be held in August this year
Softball-sized hail batters Waddy area
Severe thunderstorms hit Kentucky and southern Indiana last Thursday night and large hail pummeled the east end of Shelby County
Netherlands amateur radio exam
Netherland's amateur radio society VERON reports on the amateur radio exams held in Leeuwarden on Saturday, May 21
Youth Forum at Hamvention
An ARRL Youth Outreach forum at Hamvention highlighted resources and ideas for attracting and developing young hams and is available on YouTube
ARRL Audio News May 27, 2022
ARRL Headquarters Will Be Closed on Memorial Day, Monday, May 30
ARRL The National Association for Amateur Radio® honors and remembers the ultimate sacrifice made by those who served in the U.S. armed forces. ARRL Headquarters will be closed Monday, May 30, 2022, in observance of Memorial Day.
There will be no W1AW code practice or bulletin transmissions on Memorial Day. ARRL Headquarters will reopen Tuesday, May 31, at 8 AM EDT.
Visit the ARRL Special Events...
20 / 40 Meter Short Coil Loaded Dipole Antenna
Antennas/Dipole
Experimenting a 20 40 meter short coil loaded dipole antenna with the goal to keep the total length under 40 feet so that the dipole can be mounted on two 20 foot fiberglass pole to make a 20/40 meter rotatable dipole.
ARRL EXPO and Hamvention® 2022 a Great Success
By all accounts, the 2022 Dayton Hamvention®, which also served as the 70th reunion, was a great success. Thousands of ham radio operators, their families and friends, and other enthusiasts passed through the gate during its 3-day run, May 20 - 22, at the Greene County Fairgrounds and Expo Center in Xenia, Ohio. Local reports estimate the event brings over $30 million dollars to the economy of ...
20th Annual ARRL Donor Recognition Reception Held in Dayton
The 20th Annual ARRL Donor Recognition Reception was held on Thursday, May 19, 2022, at The Schuster Center Wintergarden in Dayton, Ohio. Over 160 ARRL donors and their guests were in attendance. The keynote speaker for the evening was ARRL Chief Executive Officer David Minster, NA2AA. The event preceded Dayton Hamvention®, held May 20 - 22.
"What does amateur radio mean to you?" asked Minster a...
Section Manager Spring Election Results
The results of two Spring Section Manager (SM) elections were determined when the ballots were counted at ARRL Headquarters on Tuesday, May 24, 2022.
Because no nominations were received by the original nomination deadline of September 10, 2021, it was necessary to re-solicit nominations for Delaware SM. Joseph Grib, KI3B, a resident of Bear, Delaware was appointed Interim Delaware SM in January...
ARRL Honored by Masons in Newington, Connecticut
Freemasons of the Sequin-Level Lodge No. 140, located in Newington, Connecticut, recognized ARRL with a presentation on Thursday, April 7, 2022. The special recognition was organized and led by the Lodge's Worshipful Master, Jon Faasen, AA1EZ. Faasen is also a member of the ARRL staff, serving as a Membership Services Representative in the Membership, Marketing, and Communications Department.Fa...
The Timing Keyer
Technical Reference/Arduino/Morse Code
An open hardware and open source keyer that allows you to precisely diagnose any timing errors in your keying.
A 'Green Ghost' and a CME
A photographer trekking through Tibet has just photographed a rare 'Green Ghost' -- the afterglow of intense sprite activity over the Himalaya
Ham radio antenna bill to be paid from 911 budget
WTVB AM reports on Commissioners discussions concerning the payment of a $4,900 bill for moving amateur radio antennas in Coldwater, Michigan
Ham radio DATV article in free MagPi magazine
The June edition of the MagPi magazine features an article about amateur digital television and interviews radio amateur Dave Crump G8GKQ, who was got his licence at 14
Long-distance text communications with LoRa
Bryan Cockfield KK4CGK writes on Hackaday about using the LoRa digital mode for long-distance text communications
Results of Iceland's ham radio exam
Iceland's national amateur radio society, the IRA, reports on the amateur radio exam that was held on May 21
ARRL Membership Forum at 2022 Dayton Hamvention
Watch this ARRL video
Iambic Master
Software/Morse Code Training
Free Windows program intended to be used as a training aid for sending CW using an iambic Winkeyer from K1EL Systems. Iambic Master operates as a game. The objective of the game is to send the text in the Target box as accurately as possible.
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