Use the 2025 ARRL Field Day Site Locator
New Book Release: Using the Baofeng® Radio
Hurricane Watch Net Remembers and Celebrates 60 Years
In September 1965, Hurricane Betsy hit Florida, the Bahamas, and the central US Gulf Cost. The damage was nearly $1.42 billion, earning the storm the nickname Billion Dollar Betsy. Forecasting for storms like Betsy was still in its infancy. Bobby Graves, KB5HAV, the current Hurricane Watch Net (HWN) manager, shared that amateur radio operator Gerald E. “Jerry” Murphy, K8YUW, then 28 years old, ...
Highlights from 2025 Dayton Hamvention
ARRL interacted with thousands of members at 2025 Dayton Hamvention®, held May 16-18 in Xenia, Ohio. There were many ARRL programs and services available to visitors to the ARRL Expo area. The ARRL Youth Lounge was busy throughout the event, and “the kids were loving it,” according to Education and Learning Manager Steve Goodgame, K5ATA, who pointed out that the young visitors were building cod...
Hentenna An ADR Antenna
Provides a comprehensive overview of the Hentenna design, construction methods using aluminum tubing, and ... - Listed in Antennas/Hentenna
ARRL Headquarters Will be Closed on Memorial Day, Monday, May 26
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 26, 2025, in observance of Memorial Day. There will be no W1AW code practice or bulletin transmissions on Memorial Day. ARRL Headquarters will reopen Tuesday, May 27, at 8 AM EDT. Visit the ARRL Special Events ...
Spring Season Section Manager Election Results
ARRL members in Utah have elected Brett Pruitt, K7BDP, of Hurricane, to continue as the ARRL Utah Section Manager, and his new term of office starts on July 1. Pruitt received 275 votes and Bob Craven, N7GTE, received 234 votes. Election ballots were counted on Tuesday, May 20, at ARRL Headquarters. Pruitt was first appointed as Section Manager of the ARRL Utah Section on February 1, after previ...
JUST IN: Amateur Spectrum Addressed in US House Reconciliation Bill
ARRL The National Association for Amateur Radio® reports that early this morning, May 22, 2025, the US House of Representatives passed a massive Reconciliation bill with the below spectrum provisions relevant to Amateur Radio. - Within two years not less than 600 megahertz must be identified from between 1.3 and 10 GHz for reallocation to commercial use for broadband services.
- The identified spec...
Using AutoEZ with Antenna Modeling
This article explores the powerful features of AutoEZ as an Excel application working with ... - Listed in Antennas/Theory
Icom IC7300 RTC Fix
The article "Icom IC7300 RTC Fix" details the meticulous repair of an Icom IC-7300's ... - Listed in Radio Equipment/HF Transceivers/Icom IC-7300
Great Circle Map - GCM
The page automatically generate a Great Circle Map (GCM) for ham radio operators based ... - Listed in Operating Aids/Distance & Bearing
ARRL Audio News May 16, 2025
ARRL Audio News May 16, 2025
Gordon West Radio School
Gordon West Radio School provides comprehensive study materials including books, audio courses, and practice ... - Listed in Ham Radio/Exams/Study Guides
ARRL Coverage of 2025 Dayton Hamvention - Sunday, May 18
J-Pole Antenna Calculator in Javascript
This page provides a detailed guide on the J-pole antenna, an end-fed half-wave antenna ... - Listed in Antennas/Antenna Calculators
ARRL Coverage of 2025 Dayton Hamvention - Saturday, May 17
By: Rich Moseson, W2VU What do the Dayton Hamvention® flea market and Xenia, Ohio, weather have in common? They each offer a little bit of everything! Friday’s hot and humid afternoon was followed by thunderstorms at night and cool, windy, weather on Saturday. The Hamvention itself, though, provided consistently positive experiences for just about everyone. ARRL activities were highlighted by th...
How to Build and Use Current Chokes for Better Antenna Performance
This comprehensive three-part guide examines baluns (balanced-to-unbalanced devices) and their critical role in ham ... - Listed in Antennas/Baluns
ARRL Audio News May 16, 2024
ARRL Audio News May 16, 2024
ARRL Coverage of 2025 Dayton Hamvention - Friday, May 16
Revisiting 20 Meter Helical Resonator Filters
The website offers technical musings related to amateur radio, with a focus on measuring ... - Listed in Technical Reference/Filters
Next Generation DXing Track Videos Available
ARRL Coverage of 2025 Dayton Hamvention - Thursday, May 15
It was a flurry of activity around the exhibit space for ARRL The National Association for Amateur Radio® and beyond. Trucks being unloaded, tables being arranged, boxes being opened and even tablecloths being ironed were among the sights and sounds Thursday at Ohio’s Greene County Fairgrounds as hundreds of ham radio manufacturers, retailers, clubs, and organizations prepared for Friday’s open...
ARRL Awards Phil Karn, KA9Q, with Mary Hobart, K1MMH, Medal of Distinction
UK Scanner Frequencies - Police UHF Bands
This page provides a list of UK scanner frequencies, specifically focusing on the Police ... - Listed in Radio Scanning/Police Scanning
ARRL Renews Defense of the 902-928 MHz Amateur Radio Band
ARRL The National Association for Amateur Radio® in a recent filing encouraged the Federal Communications Commission (FCC) to listen to industry stakeholders about the detrimental impacts that changes to the 902-928 MHz band would have for current users. The FCC is considering a petition by NextNav, Inc., a licensee in the 900-MHz Location and Monitoring Service (LMS), to reconfigure the 902-928...
Simple QRSS Reception with Version 4 RTL-SDR Dongles
This page discusses the use of the new Version 4 RTL-SDR dongle for simple ... - Listed in Operating Modes/QRSS
SWR - Basic Facts: What You Need to Know
This page provides basic information about SWR (Standing Wave Ratio) and its importance for ... - Listed in Technical Reference/Standing Wave Ratio
Understanding Standing Wave Ratio
This comprehensive article dispels common misconceptions about Standing Wave Ratio (SWR) in amateur radio. ... - Listed in Technical Reference/Standing Wave Ratio
Top Amateur Radio Websites - Issue 2509
DXCC Interactive World Map , DIY Telescopic-V Antenna, Morse Walker, Custom Spiderbeam Center Hub: Innovative Side-Mounting Solution , DL6WU Yagi-Uda antenna online calculator, 20M Quarter-Wave Vertical Antenna, Running Multiple WSJT-X Instances for Simultaneous Radio Monitoring, Mastering Shortwave Listening: Tips and Tools, Versatile W1JR Antenna Chokes, Regenerative Receiver 3.5 to 24 MHz ,
Voltage to dBm Conversion Calculator
The page features a spreadsheet that calculates power in watt and dBm based on ... - Listed in Technical Reference/Calculators
3-element Coil-loaded Yagi for 40 Meters - VE3VN Blog
This page discusses the construction and design of a shortened 2-element Yagi antenna for ... - Listed in Antennas/40M/40 meter Yagi Antennas
ARRL Audio News May 9, 2025
ARRL Audio News May 9, 2025
Johns Hopkins University to Hold ARRL Teachers Institute
A session of the ARRL Teachers Institute on Wireless Technology (TI) is being hosted this summer by the Johns Hopkins University Applied Physics Lab in Laurel, Maryland. This marks the first time a major research university has hosted the ARRL program. The TI program is expanding significantly in 2025. Already, an institute was held on Staten Island, New York, to mark the first regional session....
Promote Your Club’s 2025 ARRL Field Day With Posters
Portable Ham Radio Gear - Tufteln
Tufteln offer portable ham radio gear for field operators. They sell breakout boards, knee ... - Listed in Shopping and Services/Accessories
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