A site for Amateur Radio Operators, by Amateur Radio Operators.





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Harwell Amateur Radio Society, Oxfordshire England
40m center loaded vertical antenna
A 5 metre center loaded vertical for 40m combined with a 4 wire ground plane.
Controlled Antenna Switch
Technical Reference/Antenna Switch
A four position HF antenna switch with PC control
ARRL Audio News July 1, 2022

ARRL Headquarters is Closed on Monday, July 4, for Independence Day

ARRL  The National Association for Amateur Radio® will be closed on Monday, July 4, for the Independence Day holiday. There will be no W1AW bulletin or code practice transmissions. ARRL Headquarters will reopen on Tuesday, July 5, at 8 a.m. EDT.

The Baton Rouge Amateur Radio Club will operate a special event station, W5KID, from the USS KIDD Veterans Museum in Baton Rouge, Louisiana, on July 4....

ARRL Field Day 2022: 500,000 Contacts Already Reported

2022 ARRL Field Day wrapped up nearly a week ago, and ARRL Headquarters has already received over 2,400 entries submitted via the online Field Day Entry web application. Early analysis reveals that most of the entrants participated as Class D -- home stations, and Class E -- home stations using emergency power.

As of June 29, the breakdown of Field Day entries by Class showed 2,723 total entries...

ARRL Represented at International Amateur Radio Exhibition in Germany

2022 Ham Radio, the International Amateur Radio Exhibition, held last weekend (June 24 - 26) in Friedrichshafen, Germany, drew enthusiastic crowds and amateur radio enthusiasts from 52 countries.

Messe Friedrichshafen Managing Director Klaus Wellmann and Project Manager Petra Rathgeber said the event attracted 10,200 participants. While attendance was down (14,300 in 2019) because of COVID, visi...

Kenwood TS-990S Review
Radio Equipment/HF Transceivers/Kenwood TS-990
A syntethic review of the Kenwood TS 990S. The author was previosly a FTdx101d owner and he opted for the Kenwood transceivers.
EPS Antennas
Manufacturers/Antennas/VHF UHF Microwave
Amateur radio antenna manufacturer, HF VHF UHF antennas, and amateur radio accessories dealer based in Lingen Germany
Voice Keyer for the backpack
Technical Reference/Keyers
Build a Ham Radio Voice Keyer for the Backpack
Portable VHF UHF Dipole Antenna
A SOTA Lightweight Portable 2m 70cm Dipole Antenna Lightweight portable QRP 2m and 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box.
Testing End Fed Long Wire Antenna
Testing a 27.2 metre end fed long wire antenna,used for SOTA activations placed as an inverted V. The author reports in this article an on the field practical result.
WSJT-X and Raspberry Pi
Technical Reference/Raspberry Pi
How to install WSJT-X ona a raspberry Pi and start operating with FT8
Top Amateur Radio Websites - Issue 2221
A Versatile SOTA Antenna Tuner,Wolf River Coil, G4AKC Bicycle Mobile, NA4RR HexBeam, ICOM IC-775 FIlter Installation, PIT QSL Printer, SOTA Associations
K4ACG Alabama Contest Group
Contest Group in Alabama
Six Meter International Radio Klub
SMIRK club news, DX information, content details, and forum for 6 meter operation enthusiasts.
OTRSP Antenna Selector
Technical Reference/Antenna Switch
Open Two Radio Switching Protocol Antenna Selector on ATMEL ATmega8 microcontroller
ARRL Audio News June 24, 2022

2022 ARRL Field Day Weekend -- Are You Ready?
One of the most anticipated amateur radio operating events of the year in the United States, Canada, and worldwide is this weekend. ARRL Field Day kicks off at 1800 UTC on Saturday, June 25, and concludes at 2059 UTC on Sunday, June 26. Last year, almost 27,000 individuals participated in ARRL Field Day, logging over 1.4 million two-way radio contacts during the event.

For 2022, there are some n...
ARRL to Host LIVE Video from W1AW for Field Day

Join ARRL live from W1AW via YouTube for 2022 ARRL Field Day! See all of the fun involved with Field Day, and ask your questions about the event in the Live Chat and get them answered in real time. Watch on ARRL's YouTube channel at starting on June 25, 2022, at 1:30 PM Eastern / 10:30 AM Pacific / 1730 UTC.

W1AW is among the world's most recongizable call signs. It is the p...

New Treasurer John Sager, WJ7S, Says ARRL a Perfect Match
ARRL's new Treasurer, John R. Sager, WJ7S, officially took office on May 1, 2022, and is already helping to plan the ARRL's financial future.

Sager brings with him over 40 years of financial management experience. He is a Chartered Financial Analyst, a Certified Cash Manager, and holds Bachelor of Arts and Master of Business Administration degrees from the University of Utah.

What led him to ARRL...

End-fed 6-meter Zepp
A half-wave antenna can be end-fed or center-fed. An end-fed half-wave antenna may offer mechanical and construction advantages over a center-fed antenna. The radiation pattern for an end-fed half-wave antenna is no different than a center-fed half-wave antenna.
New ReverseBeaconNetwork WebSite released

Amateur/RNSS Coexistence - 23cm Band
After review and approval by the IARU Region 1 Executive Committee and the IARU Administrative Council a presentation on preliminary Amateur / RNSS Coexistence in the 23cm band has been released
Five planets to line up in rare planetary conjunction
BBC News report that five major planets in our solar system will shine brightly in a row during a rare planetary conjunction from Friday
Portugal takes action against illegal communications equipment
Portugal's communications regulator ANACOM reports it inspected 26 vessels with the Maritime Police
Switzerland: New repeater list available
USKA reports an updated list for Swiss Voice Repeaters (HB9/HB0) is available
Digirig Mobile
Digirig is an open-source integrated digital modes interface for amateur radio. As a differentiating feature, Digirig only requires a single USB connection to the computer with all the digital goodness packed in a single small enclosure. The internals include a USB hub, audio codec, a fully featured serial CAT (Computer Aided Transceiver) interface, and potentially other modules such as GPS receiver for time synchronization.
GQRP Convention
The GI-QRP Convention will take place on Saturday the 25th of June at the Tandragee Golf Club. This event is supported by the G-QRP Club
Mark, KW4XJ, who previously operated as 9L1YXJ from Sierra Leone, has now moved on to Lesotho's capital Maseru and is signing 7P8AB
AMSAT Field Day 2022 on the Satellites
The Radio Amateur Satellite Corporation (AMSAT) promotes its own version of Field Day for operation via the amateur satellites, held concurrently with the ARRL event
ARDC Grant: Support for North Bay Area Mesh
The Marin County Sheriff Office’s RACES/ACS Unit is funding North Bay Area Mesh (NBAM) to support and promote digital communications, amateur radio, training, public service events and open access to all
Ham radio club holding demo Saturday
If you’re into electronics, interested in trying to contact people worldwide, or would like to help out in emergencies, stop by Randolph Park Saturday for New River Valley Amateur Radio Club’s demonstration exercise
Training scouts in amateur satellite communications
Members of Indonesia's national amateur radio society ORARI recently trained scouts in amateur satellite communications
How to Make an Automatic 12V Battery Charger
Technical Reference/Batteries/Battery Charger
A home made battery charger 110-220 v AC providing from 1.25-24 v DC Adjustable at 8 Amps output power, with Short Circuit Protection Over Load and over charge Protection.


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