ARRL International Digital Contest Presents Fun Despite Active Sun 
         As Solar Cycle 25 peaks, the sun has been busy. A coronal mass ejections has thrown HF propagation for a roller coaster ride this week. While the medium and lower HF bands suffer, there’s still hope for successful operating during times of solar storms. The 6-meter band has been quite active. Reports of phone contacts to Europe from East Coast hams and great digital activity on 6 meters from el...  
        
                
		
		
		2025 ARRL Field Day Has Categories for Every Operator 
         2025 ARRL Field Day is just three weeks away! The excitement is building. Most clubs have their activations planned. In the last two weeks, 350 more sites have been added to the Field Day Site Locator, with a total of 886 listed as of June 5. ARRL Field Day is a great way to connect with your local amateur radio community, for Technician-class operators to get on lower HF bands, to shake down y...  
        
                
		
		
		13 Colonies Event Founder Passing the Reins After 16 Years 
          
        
                
		
		
		ChatGPT Prototyping of Ham Radio Mapping Applications 
         This page showcases the use of ChatGPT for quickly creating a prototype application that ... - Listed in Technical Reference/AI Ham Radio 
        
                
		
		
		WWVB Receiver with Arduino 
         This page provides a detailed guide on how to receive WWVB 60 KHz time ... - Listed in Technical Reference/Arduino 
        
                
		
		
		LICW Challenge: Work All LICW Members Challenge 
         The LICW Challenge is a daily event for ham radio operators, with special weekly ... - Listed in Operating Aids/Awards 
        
                
		
		
		Low Pass Filter for MF/LF Reception 
         This page discusses the construction and use of a low pass filter for MF/LF ... - Listed in Technical Reference/Filters 
        
                
		
		
		SteppIR to Cease Consumer Antenna Production by August 2025 
         SteppIR to stop consumer antenna production by August 31, 2025, support will continue. 
        
                
		
		
		Magnetic Loop Antenna Design and Impedance Matching 
         This page by Keith Greiner describes a magnetic loop antenna project, providing step-by-step instructions ... - Listed in Antennas/Magnetic Loop 
        
                
		
		
		Traps Modeling Tips 
         This document provides comprehensive guidance on modeling and constructing multiband dipole antennas using traps. ... - Listed in Antennas/Traps 
        
                
		
		
		United States Amateur Radio Data - Updated Statistics and Trends 
         This page provides updated data and statistics about United States amateur radio operators, including ... - Listed in Ham Radio/Demographics 
        
                
		
		
		ARRL Audio News May 30, 2025 
         ARRL Audio News May 30, 2025  
        
                
		
		
		Amateur Radio Ready for Above Average Hurricane Season 
          
        
                
		
		
		2025 ARRL Field Day: FAQ with the Contest Program Manager 
          
        
                
		
		
		ARRL Teachers Institute Set for Record Year 
         The ARRL Teachers Institute on Wireless Technology (TI) has 13 sessions announced in 2025, with more in the works. The program, from ARRL The National Association for Amateur Radio® is a donor-funded professional development program designed to help classroom teachers elevate their science, technology, engineering, and mathematics (STEM) programs using wireless technology. “This is all possible ...  
        
                
		
		
		ARRL Foundation Accepting Grant Applications in June 
         The ARRL Foundation is accepting grant applications from amateur radio organizations for eligible amateur radio-related projects and initiatives, particularly those focused on educating, licensing, and supporting amateur radio activities. To grow amateur radio's future, youth-based projects and initiatives are especially encouraged. The ARRL Foundation grants program accepts proposals on a cycli...  
        
                
		
		
		52 Week Ham Radio Challenge 
         The 52 Week Ham Radio Challenge offers hams a year-long series of 52 challenges ... - Listed in Operating Aids/Beginner's Guides 
        
                
		
		
		Hentenna with reflector  
         Explores the addition of a reflector to the traditional Hentenna design for 6m band, ... - Listed in Antennas/Hentenna 
        
                
		
		
		Guanella Current Balun - A Practical Guide for Hams 
         This page provides a detailed guide on the Guanella Current Balun for ham radio ... - Listed in Antennas/Baluns 
        
                
		
		
		ARRL Announces Leadership Changes in the Pacific Division 
         ARRL Director Anthony Marcin, W7XM, who has served the Pacific Division as Director since January 2024, has stepped down, effective May 25, 2025. Marcin was first appointed to the ARRL Board as Vice Director in November 2021.
  Vice Director John Litz, NZ6Q, accedes to the Director’s chair to complete the remainder of a 3-year term ending December 31, 2025. Litz was appointed Vice Director in Apri...  
        
                
		
		
		HamHaw: Ham Health and Welfare 
         HamHAW (Ham Health and Welfare) is a pioneering platform that bridges the gap between ... - Listed in Ham Radio/ARES RACES 
        
                
		
		
		One Tube AM Radio Project 
         This page delves into the early history of radio and television, exploring the fascinating ... - Listed in Technical Reference/Receivers 
        
                
		
		
		Antenna Bearings - Geodesic Map 
         This page by Basu (VU2NSB) presents automatically rendered antenna bearings with geodesic paths projected ... - Listed in Operating Aids/Distance & Bearing 
        
                
		
		
		Top Amateur Radio Websites - Issue 2510 
         Easy Multi Band Vertical Antenna for HF, DIY 40/30/20m Short Vertical Antenna, The Alford Loop Antenna, The LLA Ladder Line Antenna Project, WSPR Transmitter Construction, The Rooster-Tenna, High-Performance HF Loop Array: A DIY Receiving Antenna Project, Wi-Fi/3G/4G Disk-Yagi antenna, DIY 5 HF Bands Cubical Quad Antenna, Moto-QRP Portable Weatherproof QRP Setup, 
        
                
		
		
		Frankentenna: Portable Antenna for Outdoor Operations 
         Discover how the author, KK4Z, has perfected his Frankentenna over the years for portable ... - Listed in Antennas/Portable 
        
                
		
		
		ARRL Audio News May 23, 2025 
         ARRL Audio News May 23, 2025  
        
                
		
		
		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 
        
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