ARRL Online Auction Open
The 19th Annual ARRL Online Auction sponsored by RT Systems Inc. opened on Friday, October 18, at 10 AM EDT. The auction continues through Thursday, October 24. This year’s auction features over 200 items and includes ARRL Product Review equipment, vintage books, new donations, ARRL Lab tested donations, and the ever-popular ARRL Lab “Mystery” boxes. Visit the auction website, register to bid, an...
SO2R Speaker and Paddle Switching
This project enables the transition from DX to contest mode smoother by automating hardware ... - Listed in Technical Reference/Audio
Transitioning from W7IUV to Waller Flag Antenna Designs
The article discusses the evolution of antenna designs, specifically focusing on the upgrade from ... - Listed in Antennas/Receiving
Vertical Delta Loops Antennas
A vertical delta loop is a practical antenna for low bands, popular for its ... - Listed in Antennas/Delta loop
Building a Rotatable Flag Antenna for Small Lots
The document details the construction and performance of a rotatable flag antenna designed for ... - Listed in Antennas/Receiving
Amateur Radio World Map
This free amateur radio world map is a scalable vector graphics drawing.
Two formats ... - Listed in Operating Aids/Maps
Guide to Antenna Modeling with NEC by W4RNL
Antenna modeling is an essential technique for both amateur and professional engineers, enabling precise ... - Listed in Antennas/Theory
Squirrel Cannon AKA Spud Gun
The Squirrel Cannon article humorously recounts the author's struggle with troublesome squirrels and his ... - Listed in Technical Reference/Antenna Launcher
ARRL Audio News October 11, 2024
ARRL Audio News October 11, 2024
Kenwood TS-520S at RigPix
Picture and features of the Kenwood TS-520S amateur radio transceiver - Listed in Radio Equipment/HF Transceivers/Kenwood TS-520S
Optimized 40-Meter Delta Loop Beam Antenna
The 40-meter delta loop beam by K4TX/K4GE is an efficient wire antenna with two ... - Listed in Antennas/40M/40 meter Delta Loop Antennas
TS-520S Operating Manual
Kenwood TS-520S English Operating Manual in PDF Format provided by Kenwood - Listed in Radio Equipment/HF Transceivers/Kenwood TS-520S
SuperFox Code Verification Site
How do you know that Fox is the real DX? If they are transmitting ... - Listed in Operating Modes/FT8
Exploring Linux HF Packeteering with Direwolf and QtTermTCP
This article provides an overview of setup Direwolf and QtTermTCP for HF packet radio ... - Listed in Operating Modes/Packet Radio/Beginner's Guide
Top Amateur Radio Websites - Issue 2439
How does an Antenna work? - Video, The Effectiveness of Ferrites - Video, How-To Easily Measure Unwanted RF, GNU Radio Beginners Tutorials, Diplomatic Stations Schedules and Frequencies, Elevation Maps, RTL-SDR Pan-adapter using HDSDR with the IC-751A, Homebrew Buddipole Variant, Hams Over IP, IZ3MEZ WEB DX Cluster For HAM Radio,
Hurricane Milton - Storm Updates
Sunday, October 6, 2024 9:00 PM Eastern Update: Hurricane Milton was located just over 300 miles west-northeast of Progreso, Mexico, and 835 miles west-southwest of Tampa, Florida with winds of 100 miles per hour. Hurricane Milton was moving in an east-southeast direction at 6 mph and is forecasted to arrive near Tampa, Florida on Wednesday as at least a Category 3. The Hurricane Watch Net is mak...
The Porch Loop a small receiving loop
The small receiving loop (SRL) is a versatile and efficient antenna that can be ... - Listed in Antennas/Receiving
Adding an external keypad to the K3
Integrating a Genovation keypad with the Elecraft K3 is for anyone looking to enhance ... - Listed in Radio Equipment/HF Transceivers/Elecraft K3
ARRL Audio News October 4, 2024
ARRL Audio News October 4, 2024
Ham Radio Serving Southeast US Recovery Efforts
ARRL® The National Association for Amateur Radio® is tracking how amateur radio is proving critical in areas hit hard by Hurricane Helene, especially in North and South Carolina, portions of Tennessee, and beyond. In the hardest-hit Asheville, North Carolina, area, homes and entire towns have been swept away by flood waters and mudslides. Over 200 people have been killed, and many more are stil...
The ARRL Foundation is Now Accepting Grant Applications Through October 31, 2024
There is funding available to organizations for eligible amateur radio-related projects and initiatives, particularly those with a focus on educating, licensing, and supporting amateur radio activities. Youth-based projects and initiatives are especially encouraged. The ARRL Foundation grants program accepts proposals on a cyclical basis three times a year, in February, June, and October. Award...
Simulated Emergency Test (SET) Scheduled for October 5—6
The first weekend of October is when ARRL encourages local groups to hold the Simulated Emergency Test, or SET. Throughout September, ARRL shared materials about resilience through National Preparedness Month. Now, as entire areas are washed away in the aftermath of Hurricane Helene, the utility value of amateur radio is more necessary and visible than ever. When disaster strikes, infrastructur...
An Incredible Amateur Radio Rescue Story
Editor’s note: The following story was submitted by Don Gardner, W7PJ, ARRL Idaho Section Emergency Coordinator.
On the evening of September 21, 2024, Greg Owen, WX7Z, heard an amateur radio emergency call on the VHF frequency known as the national simplex calling frequency, 146.52 MHz. Ed Clark, K7ELC, was calling to get medical help for a 51-year-old man who had rolled his four-wheeler. Mac M...
Using a SDR as a RFI Site Survey Tool
This article explains how software-defined radios (SDRs) are used to detect and visualize radio ... - Listed in Technical Reference/Radio Frequency Interference
Going Full-Circle with a Kenwood TS-520S
This article is either a nostalgic yet technical look on restoring this popular ham ... - Listed in Radio Equipment/HF Transceivers/Kenwood TS-520S
VK9CV Cocos Keeling DXpedition
IOTA: OC-003 activation planned for November 01 – November 15, 2024
Operation modes: ... - Listed in DX Resources/DX Peditions/2024 DXpeditions
Coil64 Inductance Coil Calculator
Coil64 (Coil32) is a versatile tool for calculating single-layer inductance coils used in various ... - Listed in Software/RF Design
Candidate for ARRL Northwestern Division Director Disqualified; Tharp Declared Elected
Dan Marler, K7REX, the challenger seeking the position of ARRL Northwestern Division Director, was declared disqualified Saturday by the ARRL Ethics and Elections Committee (E&E). Marler was running against incumbent Mark Tharp, KB7HDX. Due to the disqualification, the committee has declared Tharp elected.
ARRL’s election rules state, “All matters concerning campaigns, including remedies for iss...
Current consumption for various HF Rigs
In this article, the current consumption for a selection of popular HF transceiver ... - Listed in Operating Modes/Portable Operations
URC DX RTTY Contest
We are excited to share the news about the inaugural URC DX RTTY Contest, ... - Listed in DX Resources/Contest/Contest Rules/RTTY
Icom IC-7760 Review: First Impressions by Difona Communication and WIMO
Two product reviews from Difona Communications and WIMO about the ICOM IC-7760
Top Amateur Radio Websites - Issue 2438
Affordable DIY AZ/EL Antenna Rotator: A Practical Guide, Ground Wave Propagation, Enhancements in UV-K5 HF Fullband Reception, Gnuradio Miniature Projects, Beam Controller Project, How to Renew Your US Ham Radio License, Beacons Remote Control, BlueMax49ers, Papa whiskey club
Tri-band Yagi Antenna for 20 17 15 meter band
A cost-effective alternative to the Optibeam OB10-3W, a high-performance but expensive tri-band Yagi antenna ... - Listed in Antennas/Yagi
ARRL Audio News September 27, 2024
ARRL Audio News September 27, 2024
National Preparedness Month - Get Involved
All September, the ARRL® Amateur Radio Emergency Service® (ARES®) has been promoting readiness and resilience for National Preparedness Month. As we come to the end of the month, a hurricane is churning in the Gulf of Mexico, with forecasts of up to 20 feet of storm surge expected to impact large portions of Florida. This underscores the need to be prepared. Even experienced hams and those who h...
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