| 'Tripp' Owens, N4NTO, Silent Key 
 Ambrose "Tripp" L. Owens, III, N4NTO, passed away on July 4, 2025. He was 57 years old. Investigators from the Harnett County Sheriff’s Office in North Carolina believe the cause of death was accidental electrocution but a final determination has not been made. Owens was working with an antenna mast in the Chicora Civil War Cemetery at the Averasboro Battlefield during a Parks on the Air (POTA)... Special Call Signs for this year’s International Amateur Radio Union (IARU) Contest
 
 Great Numbers Stacking Up for 2025 ARRL Field Day
 
 The numbers for 2025 ARRL Field Day continue to grow. As of today, July 10, 3227 entries have been received and each day the list gets bigger, according to ARRL Contest Program Manager Paul Bourque, N1SFE. “Get those entries in!” he encouraged. The deadline is July 29.  It was a big year for ARRL Field Day on social media. 260 public posts across several platforms used the hashtag #ARRLFD. That ... QRPGuys DS-1 40-10m Short Vertical Antenna - Build Your Own!
 Learn how to build your own QRPGuys DS-1 40-10m short vertical antenna for ham ... - Listed in Antennas/Vertical
 sBitx: The SDR for Homebrewers
 This page, authored by Joshua Beckman VU2ESE, delves into the sBitx, a Software-Defined Radio ... - Listed in Technical Reference/Software Defined Radio
 Changes in the ARRL Idaho Section
 
 Don Lynn Jr., ND7L, of Nampa, has been appointed Section Manager of the ARRL Idaho Section effective July 9, 2025. Lynn has served as the Assistant Section Manager since 2019, and the State Government Liaison since 2020. He is an ARRL Life Member. Lynn will serve the remainder of a term expiring September 30, 2026. He replaces Dan Marler, K7REX, who resigned from the position due to health issue... Amateur Radio Volunteers Serving During Texas Floods
 
 Volunteer amateur radio operators serving in the ARRL The National Association for Amateur Radio® (ARRL®) Amateur Radio Emergency Service® (ARES®) are embedded with local served agencies in the areas of central Texas affected by devastating floods. The needs and assignments have been changing, but ARES volunteers are stepping up to the dynamic needs of their communities. “This is a very fluid si... Daylight Radio: An All Analog Radio Design
 This article discusses a high performance, 7MHz, 5 watt SSB rig, the Daylight Radio, ... - Listed in Technical Reference/QRP Projects
 Parks On The Air Pro Tip: Finding More Park Sites to Activate
 This page provides tips and advice for ham radio operators interested in activating park ... - Listed in DX Resources/POTA
 US Radio Orienteering Champs Crowned
 
 Reviews For: Kenwood TS-440S/AT
 eham reviews of the Kenwood TS-440S, and Kenwood TS-440S/AT, 160-10 Meter HF ham radio ... - Listed in Radio Equipment/HF Transceivers/Kenwood TS-440S
 Kenwood TS-440S Manual
 This Instruction Manual covers the TS-440S, with and without AT (Automatic Antenna Tuner) unit. ... - Listed in Radio Equipment/HF Transceivers/Kenwood TS-440S
 Amateur Radio Bandplan Online Generator
 This page provides a fully customizable band plan. You can easily customize the frequency ... - Listed in Ham Radio/Band Plans
 ARRL Audio News July 4, 2025
 
 ARRL Audio News July 4, 2025 WWFF POTA: Activating Parks On The Air In Canada
 The page discusses how Parks on the Air (POTA) in Canada offers ham radio ... - Listed in DX Resources/POTA
 ARRL Headquarters Will be Closed on Independence Day, Friday, July 4
 
 ARRL The National Association for Amateur Radio® Headquarters will be closed on Friday July 4, 2025, for the Independence Day holiday. There will be no W1AW bulletin or code practice transmissions on that day. ARRL Headquarters will reopen on Monday July 7, at 8 AM ET. We wish everyone a festive and safe holiday! 2025 ARRL Field Day a Success
 
 Tens of thousands of hams are celebrating a successful 2025 ARRL Field Day! The largest annual amateur radio event is also one of the most beloved, as shown by countless social media posts. Activity was high, with 1536 sites in the ARRL Field Day Site Locator, and that doesn’t even count home stations, portable operations, or other participants. “There’s a reason that hams look forward to ARRL F... DX Spots - Parks on the Air App
 Use the official POTA spotting website to search for active parks. This is the ... - Listed in DX Resources/POTA
 ARRL® Logbook of The World® Return to Service
 
 ARRL The National Association for Amateur Radio® will return Logbook of The World® (LoTW®) to service at 10:00 AM EDT on Wednesday, July 2, 2025. We are happy to be bringing the upgraded LoTW servers online, as we know radio amateurs around the world rely on LoTW to receive QSLs and apply for awards. The improvements we made will make no change in the visual appearance of LoTW but will provide e... Magic Band Revealed: Capture the Magic of 6 Meters - Free eBook Download
 Discover the secrets of Six Meters with this comprehensive eBook by Jim Wilson, K5ND. ... - Listed in Operating Modes/50 MHz
 Parks on the Air - International Portable Amateur Radio Operations
 The Parks on the Air website is dedicated to international portable amateur radio operations ... - Listed in DX Resources/POTA
 Parks on the Air Canada - Amateur Radio Activity
 Parks on the Air Canada page provides information about the popular Amateur Radio activity ... - Listed in DX Resources/POTA
 Improved Filter for TS440 - CF2 Slot
 The page provides details on an improved filter for the TS440 CF2 slot with ... - Listed in Radio Equipment/HF Transceivers/Kenwood TS-440S
 Kenwood TS440 Transceiver Mods
 The page provides a collection of modifications and upgrades for the Kenwood TS440 transceiver. ... - Listed in Radio Equipment/HF Transceivers/Kenwood TS-440S
 ARRL Audio News June 27, 2025
 
 ARRL Audio News June 27, 2025 2025 ARRL Field Day is This Weekend!
 
 Sharing ARRL Field Day with Others via Social Media
 
 Field Day Safety – Tips From an Experienced Compliance Officer
 
 By: Bill Mader, K8TE, Section Manager of the ARRL New Mexico Section One of the many ways to earn bonus points during ARRL Field Day is to have a Safety Officer on site who makes use of the Safety Officer Checklist [PDF]. Safety shouldn’t stop there! Many pictures of Field Day sites indicate that running that checklist alone is inadequate. Having been involved with safety professionally in the U... HF Propagation: Understanding Radio Signals
 This PDF file provides detailed information on HF propagation for ham radio operators. It ... - Listed in Propagation/Beginner's Guide
 TS-440S Service Manual
 Kenwood TS-440S service manual PDF File, English version - Listed in Radio Equipment/HF Transceivers/Kenwood TS-440S
 Kenwood TS-440S Repair and Alignment Notes
 This page contains detailed notes on repairing and aligning the Kenwood TS-440S HF radio. ... - Listed in Radio Equipment/HF Transceivers/Kenwood TS-440S
 Top Amateur Radio Websites - Issue 2512
 Wire Antenna Calculator, QRP Silent Antenna Tuning Unit with Built-in Noise Bridge, TS-590SG Station Monitor, Why AM Radio Shines at Night: Sky-Wave Magic, Compact and Stable Mobile Antenna: The SN 1/8 Design, Compact QRP SWR Meter with OLED Display , Low-Current Si5351-Based Digital VFO with Nokia Display,
 Starting in simple software defined radio
 This page explores the world of Software Defined Radios (SDRs) in the context of ... - Listed in Technical Reference/Software Defined Radio/Beginner's Guides to SDR
 Amateur Radio Guide - Community Driven and Multilingual
 This page serves as a comprehensive guide for hams, providing open-sourced information that is ... - Listed in Operating Aids/Beginner's Guides
 40m SSB Project Walford Stone Transceiver
 This page details the construction project of the 'Stone', a QRP double conversion superhet ... - Listed in Technical Reference/QRP Projects
 
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