| Light House Quad-Band Antenna A multi-band trapped dipole antenna working on 20, 40, 75 and 160 meters band. ... - Listed in Antennas/Dipole
 The Big Gun's Guide to Low-Band Propagation
 The Big Gun's Guide" is a comprehensive exploration of low-band propagation, aimed at serious ... - Listed in Propagation/Resources
 W0VLZ VacuumTubes Projects
 W0VLZ's Homebrew Gallery showcases vintage radio projects built with vacuum tubes, offering a fascinating ... - Listed in Technical Reference/Homebrew
 Innovative 80M Antenna Solution for Restricted Spaces
 This article details the development of an 80-meter antenna within the confines of a ... - Listed in Antennas/Stealth
 Removing RFI from Behringer HA400 Headphone Amplifier
 The article details how to eliminate Radio Frequency Interference (RFI) from the Behringer HA400 ... - Listed in Technical Reference/Radio Frequency Interference
 Top Amateur Radio Websites - Issue 2505
 Minimalist Breadboard SDR Receiver with Pi Pico, Otto: Your Enhanced Assistant for WSJT-X, Microphone Audio Compression in SSB Radio, Building a radio repeater, Sputnik Regenerative Receiver: Homebrew Radio, AZIWORLD, SAT_EXPLORER, MyWaveRecorder, Pocket Tuner, CW_PLAYER,
 HD8G Galapagos 2025
 26 ham radio operators will activate Galapagos from Apr 18th to 26th, 2025. IOTA: ... - Listed in DX Resources/DX Peditions/2025 DXpeditions
 The QRP Adventures of VE3FI
 "The QRP Adventures of VE3FI" is a captivating blog that chronicles the amateur radio ... - Listed in Ham Radio/Blogs/Canada
 ARRL Audio News March 21, 2025
 
 ARRL Audio News March 21, 2025 76th International DX Convention April 11 – 13 in Visalia, CA
 
 ARRL Ham Radio Open House Continues to Grow
 
 Dozens of amateur radio clubs have made plans to host an ARRL Ham Radio Open House in April. The nationwide event is centered around World Amateur Radio Day on April 18. 2025 is the 100th anniversary of the founding of the International Amateur Radio Union (IARU). While we’ve been using radio for well over 100 years, amateur radio operators continue to be on the cutting edge of innovation in ele... Ham Radio, Students and Scientists at the 2025 HamSCI Workshop
 
 By: Rich Moseson, W2VU Some 175 scientists, students, professors, and amateur radio operators from around the world gathered in person and virtually on March 14 and 15 to share research, educate each other, and network at the annual HamSCI Workshop. HamSCI, the Ham Radio Science Citizen Investigation program, aims to promote collaboration between science, amateur radio, and education. The 2025 w... Bonaire for Breakfast
 
 While eating breakfast last Saturday morning at the New Jersey Institute of Technology, ARRL staff member Bob Inderbitzen, NQ1R, was also on the air from Bonaire, remotely working a pileup from a station he visits often on the island. Physically in Newark, New Jersey, for the annual HamSCI Workshop, Bob had his Wi-Fi-connected laptop on the table in front of him, controlling the station in Bona... Vertical vs. Horizontal Loop Antenna Performance on HF Bands
 This study compares the reception performance of vertical and horizontal loop antennas on HF ... - Listed in Antennas/Loop
 FCC Initiates Broad Inquiry on Rules to Delete or Amend
 
 In a Public Notice titled “In Re: Delete, Delete, Delete,” issued on March 12, 2025, the FCC is soliciting public input on any FCC rules in any service that members of the public believe should be deleted or modified “for the purpose of alleviating unnecessary regulatory burdens.” This is the latest in a series of similar proceedings going back to 1996, when the Communications Act was amended t... Twigger
 Twigger is very lightweight free ham radio logger for Windows. The radio-connection can be ... - Listed in Software/Logging
 Introduction to the Decibel - what actually is a dB?
 This article provides a comprehensive introduction to the decibel (dB), its logarithmic nature, and ... - Listed in Antennas/Theory
 ZS6WAR AEA MM3 Morse Machine Contesting Software
 This is a contest keyer for the AEA MM-3 Morse Machine. It integrates with ... - Listed in Software/Contesting
 Understanding Noise in Telecommunication Systems
 This article About Noise offers a clear, non-mathematical explanation of noise in telecommunications, making ... - Listed in Technical Reference/Receivers
 Elektrodump.nl
 Elektrodump.nl is an online shop from the Netherlands specializing in amateur radio products. It ... - Listed in Shopping and Services/Regional/Europe
 A Practical 1:1 Current Balun
 This practical, hands-on article offers a valuable journey through balun construction for portable antenna ... - Listed in Antennas/Baluns/1 to 1 Balun
 ARRL Audio News March 14, 2025
 
 ARRL Audio News March 14, 2025 From Parts to Packet: Building an APRS MicroModem
 This blog post documents the author's journey building an APRS micromodem for amateur radio ... - Listed in Technical Reference/APRS
 ARRL Ham Radio Open House — Site Locator Live, PR Workshop Registration
 
 ARRL Ham Radio Open House is a national event being hosted by local amateur radio clubs in April to coincide with World Amateur Radio Day on April 18. The event is designed to highlight technical innovations in ham radio, and show off the current state of the art. It will serve as a tool to tell the story of amateur radio being a pathway to tomorrow's technical careers.  A site locator is now li... Perfect Storm Exercise in California Gets Results
 
 The ARRL San Joaquin Valley Section (SJV) conducted “Perfect Storm,” an amateur radio emergency exercise, on March 5 - 7. Section Emergency Coordinator (SEC) Dan Sohn, WL7COO, asked that a section-wide exercise be created that would engage both amateur radio operators and non-amateurs to become more active in their community's emergency preparedness and response capabilities.   There were 120 par... Radio Connects is 2025 ARRL Field Day Theme
 
 QRP in the Park
 This presentation explores the practice of QRP (low-power) amateur radio operation in outdoor settings. ... - Listed in Operating Modes/QRP
 SSB SWL contest 2025
 
 A new paddle with no moving parts
 This thoughtful review details ajourney from the stock Elecraft KXPD2 paddle to an innovative ... - Listed in Radio Equipment/HF Transceivers/Elecraft KX2
 Dayton Hamvention 2025 Award Winners Announced
 
 The recipients of the 2025 Dayton Hamvention® Awards were announced on March 11, 2025. “The selection process was highly competitive, given the outstanding quality of nominations submitted this year. We extend our heartfelt congratulations to the winners for 2025,” said Dayton Hamvention Awards Chair Michael Kalter, W8CI. Technical Achievement Award: Dr. Kristina Collins, KD8OXT Dr. Kristina Coll... A Simple SO2R Contest Station
 Andrew Roos (ZS6AA) details his practical approach to building a Single Operator Two Radio ... - Listed in DX Resources/Contest/SO2R
 Clubs are Gearing Up for ARRL Ham Radio Open House — Yours Can, Too!
 
 Hurricane Watch Net Founder Gerald Murphy, K8YUW, a Silent Key
 
 Gerald E. “Gerry” Murphy, K8YUW, passed away on February 25, 2025. He was 88 years old, and the founder of the Hurricane Watch Net (HWN).  According to a statement released by current HWN manager Bobby Graves, KB5HAV, Murphy, then 28 years old, was stationed at the U.S. Naval Mobile Construction Battalion Center in Davisville, Rhode Island, in 1965. During his time off, he handled countless phon... The Bazooka Antenna
 The Bazooka antenna, a coaxial dipole, functions as an omnidirectional antenna with vertical or ... - Listed in Antennas/Bazooka
 80 Mtr Vertical project
 This blog chronicles the development of an 80-meter vertical antenna for amateur radio operation. ... - Listed in Antennas/80M
 
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