Now Online! Digital editions of April QST, March/April On the Air, QEX, and NCJ


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April QST

A Coupled-Resonator HF Antenna

Jay Taft, K1EHZ

This multiband antenna for 40, 20, and 10 meters uses a coupled-resonator configuration developed from a coaxial sleeve antenna design. Loading coils allow the antenna to cover a narrow segment of the 80-meter band. Check out “A Coupled-Resonator HF Antenna” by Jay Taft, K1EHZ, for instructions on how to build this antenna in time for Field Day. Read QST

March/April On the Air

Radio Orienteering: Using Sound to Find Your Way

Charles E. Scharlau, NZØI

Radio orienteering (aka Amateur Radio Direction Finding, or ARDF) involves using a special receiver to find a transmitter located on an outdoor course. Being successful involves one of the most important ham skills — listening — as finding the transmitter depends in part on being able to interpret differences in the signal as you move through the course. Check out the article to learn more about this exciting radiosport. Read On the Air

March/April QEX

Single Point Ground Panel Location

Ron Block, NR2B

As a follow-up to his popular July 2022 QST article, “Lightning Protection and Grounding Project at W2MMD,” Ron Block, NR2B, presents circumstances to consider when choosing the best place to put a ground panel. Read “Single Point Ground Panel Location” for Ron’s discussion of several configurations, with diagrams. Read QEX

March/April NCJ

Some Factors in RTTY Signal Quality

Gary Johnson, NA6O

“Some Factors in RTTY Signal Quality” by Gary Johnson, NA6O, details things that negatively affect a RTTY signal generated by AFSK, and offers tips on filters, audio levels, and more, to help you put out a cleaner signal. Read NCJ

Get a free limited-edition NCJ challenge coin with your 2023 National Contest Journal subscription — new and renewing subscribers. The coin features a stunning numeral 50 with the ARRL and NCJ logos. A great memento for any contester or ARRL collector. Subscribe Now

On the Air Podcast

Radio orienteering (aka Amateur Radio Direction Finding, or ARDF) is a radio sport like no other. Participants run through the woods or a park, using a handheld receiver and directional antenna to find a transmitter that’s located somewhere in the vicinity. In this episode, USA ARDF Co-coordinator Charles Scharlau, NZØI, talks about how to get involved in what he calls, “the only athletic radio sport.” Listen Now

2023 ARRL Field Day

ARRL Field Day is June 24-25. Get ready for the most popular on-air event with the latest rules and resources out now. Check out the new 2023 logo and product line featuring the slogan “Tune in the World.” T-shirts, hats, pins, patches, and more will be available for order in the online store beginning mid-April. Learn More

Volunteers On the Air Event

ARRL is celebrating a year-long operating event honoring all ARRL volunteers, and we invite you to join in on the fun. By using ARRL's Logbook of The World (LoTW), participants making contacts in 2023 will accumulate points, contact new stations, and make new friends. The VOTA event will include special week-long activations by W1AW portable stations from all 50 states and most US territories. Participate Now

Online Courses

The ARRL Learning Center is an online learning environment for ARRL members designed to help you get the most out of your license. Take online courses, featuring activities and video tutorials created by ARRL-approved experts. Use course work and resources to improve your knowledge and skills getting on the air, serving your community in emergencies, and with electronics and technology. Get Started

On Air Events and Division Conventions

Rookie Roundup — Phone | April 16, 2023

Hamvention, ARRL Great Lakes Division Convention

Xenia, Ohio | May 19 - 21, 2023

SEA-PAC, ARRL Northwestern Division Convention

Seaside, Oregon | June 2 - 4, 2023

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