| Top Amateur Radio Websites - Issue 2503 Comparative Testing of DIY and Commercial Antennas for ADS-B Reception, The RDF 10 seconds unfold Yagi, J-Pole Antenna Calculator, Broadcast band filter, Collinear Antenna Calculator, DIY A Cantenna For Your WiFi Network, 160M Folded Counterpoise, 5/8-wavelength GP vertical antenna calculator , The F6AOJ RX splitter project,
 The LLA Ladder Line Antenna Project
 This article presents an innovative homebrew antenna design utilizing surplus ladder line as a ... - Listed in Antennas/Receiving
 V73WW Marshall DXPedition
 V73WW - Marshall Islands (2025) 160-6m CW SSB RTTY FT8  4 stations, QSL ... - Listed in DX Resources/DX Peditions/2025 DXpeditions
 High-Performance HF Loop Array: A DIY Receiving Antenna Project
 This article details the design and construction of a homebrew two-element loop antenna array ... - Listed in Antennas/Receiving
 ARRL Audio News February 14, 2025
 
 ARRL Audio News February 14, 2025 Amateur Radio Emergency Service Renews Relationship with Red Cross in Puerto Rico
 
 Amateur Radio Emergency Service® (ARES®) in the Puerto Rico Section of ARRL The Narional Association for Amateur Radio® has signed a renewal Memorandum of Understanding (MOU) with the American Red Cross Puerto Rico Region. The agreement establishes a framework of cooperation and a close working relationship with ARRL ARES volunteers. Both ARES and the Red Cross agree that, with the resources of ... Grant will Help Young Amateur Radio Operators Become Contesters
 
 A $10,000 grant to the University of Scranton, from the Frankford Radio Club (FRC)in Pennsylvania, will support the development of a contest dashboard that will leverage the popularity of amateur radio operator contests to benefit science, technology, students and Ham Radio Science Citizen Investigation (HamSCI) community members. Through the grant, a team of university students, faculty, and FR... RigExpert’s Administrative Office Destroyed in Russian Missile Attack — Production Remains Intact
 
 On February 12, 2025, RigExpert’s administrative office, in Kyiv, Ukraine, was destroyed by a Russian ballistic missile. All employees are reported to be safe. RigExpert is a leading manufacturer of antenna and cable analyzers and officials said they are committed to restoring operations as soon as possible. “Our top priority is the safety of our team and the continuity of our operations,” said A... ARRL Headquarters will be closed on Monday, February 17, 2025
 
 ARRL Headquarters will be closed on Monday, February 17, 2025, in observance of President’s Day. There won't be any W1AW bulletins or code practice that day. ARRL HQ will reopen on Tuesday, February 18, 2025 at 8 AM EST. Moto-QRP Portable Weatherproof QRP Setup
 Moto-QRP setups offer compact, weatherproof QRP transceivers for portable ham radio use, ideal for ... - Listed in Technical Reference/QRP Projects
 Robert “Bob” Naumann, W5OV, Silent Key
 
 Bob Naumann, W5OV, passed away at his home in Texas on February 10, 2025. Naumann was a mentor to many in the Amateur Radio Service, and well known in the ham radio contesting and DX community. He served on the headquarters staff of ARRL The National Association for Amateur Radio as Director of Operations from 2021 to 2024. He was an ARRL Life Member and a member of the ARRL Diamond Club. ARRL C... DIY 40/30/20m Short Vertical Antenna
 This article documents the author's journey in building, modifying, and testing a DIY short ... - Listed in Antennas/Vertical
 Easy Multi Band Vertical Antenna for HF
 This article describes a simple yet effective multi-band vertical HF antenna design that performs ... - Listed in Antennas/Multiband
 LoRa GPS Tracker Project
 This article describes the implementation and testing of a low-power GPS tracker using LoRa ... - Listed in Technical Reference/LoRa and LoRaWan
 The Rooster-Tenna
 Fully functional weathervane conceals an efficient 2-
meter base-station antenna. Your Neighbors and HOA
won’t know ... - Listed in Antennas/2M
 New Kenwood TM-D750A
 New model: Kenwood TM-D750A unveiled at Hamvention 2025. The Ultimate Tribander - Driving Connectivity to New Heights in Mobile Communications
 Smart Logger
 mart Logger is a versatile web app designed for seamless ham radio logging. Compatible ... - Listed in Software/Logging
 ARRL Audio News February 7, 2025
 
 ARRL Audio News February 7, 2025 Amateur Radio Emergency Preparedness Act Re-Introduced
 
 Learning Opportunity - On the Air Live: “How to Use Your Handheld Radio”
 
 ARRL is helping members get the most out of amateur radio through On the Air Live, a monthly series of training sessions. The live events are hosted by ARRL Education Specialist Wayne Greene, KB4DSF, and offer a deep dive into topics hams will find useful. “We had a great crowd at January’s On the Air Live,” said Greene. “We showed folks how to get started in slow scan television (SSTV).” The ne... Propagation Update
 
 Spaceweather.com reports that sunspot 3981 has produced more than 20M-class solar flares, including two that almost reached category X.
 
 The activity is likely to continue today. The sunspot retains a
 delta-class magnetic field that harbors energy for frequent
 explosions.
 
 The current solar forecast calls for there to be no G1 (Minor) or
 greater geomagnetic storms.  A potential glancing blow is possib...
 Training the Next Generation of Net Controllers
 
 Amateur radio operators are known for their desire and unique ability to provide public service through communications. Whether activated for a severe weather event or a local event such as a marathon or bike ride, the utility value and versatility of the Amateur Radio Service is enjoyed by communities around the country. One critical aspect of coordinating the communications is the role of net... Hurricane Watch Net Turning 60, Seeking Net Control Operators
 
 The Hurricane Watch Net (HWN), founded on Labor Day weekend 1965, is celebrating its 60th anniversary in 2025. The net, known for relaying surface observations into the National Hurricane Center, is also seeking volunteers to serve as net control operators.  Net Manager Bobby Graves, KB5HAV, reports HWN is preparing for what could be, yet again, an above-average hurricane season and that the net... The Alford Loop Antenna
 This project explores the construction and performance of an Alford Loop antenna as an ... - Listed in Antennas/Receiving
 WSPR Transmitter Construction
 This document details the construction, programming, and operation of a modular WSPR transmitter. The ... - Listed in Technical Reference/Beacon keyers
 Wi-Fi/3G/4G Disk-Yagi antenna
 This article discusses the Disk-Yagi antenna, also known as the "gun antenna," popularized by ... - Listed in Antennas/WiFi
 DIY 5 HF Bands Cubical Quad Antenna
 This project details the design and construction of a Spider Quad antenna for HF ... - Listed in Antennas/Quad
 Modelling my Inverted-L Antenna
 This article details an Inverted-L antenna design optimized for 160-meter band operation, consisting of ... - Listed in Antennas/160M
 Building a Simple 4-Meter Band Sleeved Dipole Antenna
 This article describes the design and construction of a 4-meter band vertical sleeved dipole ... - Listed in Antennas/4M
 Top Amateur Radio Websites - Issue 2502
 DIY Shortened Vertical Antenna, Open Source in Amateur Radio, J-Pole Antenna Calculator, Collinear Antenna Calculator, 160M Folded Counterpoise, 5/8-wavelength GP vertical antenna calculator , Optimal Mobile Antenna Placement: Maximizing Performance, A portable C-Pole antenna, Morse Code Defender TX game for Android, A Choke Balun for Phased C-Poles ,
 Wait and Pounce FT8
 Wait to decode callsigns, then call them using UDP protocol. This utility auto respond ... - Listed in Software/Weak Signal
 ARRL Audio News January 31, 2025
 
 ARRL Audio News January 31, 2025 Warm Up at 2025 Orlando HamCation®, February 7 – 9
 
 Changes in the ARRL Utah Section
 
 Brett Pruitt, K7BDP, has been named the new Section Manager of the ARRL Utah Section. He has previously served as the Section Emergency Coordinator and has been active in leadership of his local Amateur Radio Emergency Service® (ARES®) group. Pruitt has been instrumental in expanding use of AREDN networks within Utah. Pruitt was appointed to the role effective February 1, 2025. The change comes ... The ARRL Solar Report
 
 Solar Update Report January 30, 2025 The sun has been moderately active this past week. The greater than 2 MeV (solar particle event) electron flux at geostationary orbit is expected to remain mostly at normal to moderate levels January 30 - 31. A coronal hole high-speed stream is expected to arrive February 1. Particle injection during this time will likely elevate the 2 MeV electron flux to hi... 
 |