Upgrade of Station Lightning Protection
SZ1A's ongoing improvements are bolstered by donations, sponsorships, and volunteer work. Contributing to this ... - Listed in Technical Reference/Lightning Protection
Weather Fax plugin for OpenCPN
The Weather Fax plugin for OpenCPN allows you to directly open image files or ... - Listed in Software/Weather and FAX
WeatherFax Stations
List of global weather fax (HF fax) stations, including their locations, call signs, and ... - Listed in Radio Scanning/Weather
Top Amateur Radio Websites - Issue 2435
Homebrew Satellite Antenna Elevation System, LOGGI Log-Periodic Yagi Hybrid Antenna, SuperFox User Guide, Acom 1500 HF+6M Linear Amplifier G6NHU Review, External HF/VHF Antenna Switching Unit , YAGio Yagi Design, 23cm transverter, PAPA Repeaters Map - Californa,
ARRL Audio News August 30, 2024
ARRL Audio News August 30, 2024
Resilience Through Amateur Radio for National Preparedness Month
Amateur radio is an excellent tool for community resilience in times of crisis. The utility value of the critical communications it provides is enhanced by having well trained local Amateur Radio Emergency Service® (ARES®) groups and other teams. However, to maximize the value to yourself, your family, and your community; an operator must be prepared. September is National Preparedness Month. A...
Estate Planning for Hams (What happens to all your stuff?)
August is National Make-a-Will month. Some estimates show that nearly two-thirds of Americans don't have a plan. For some, it's procrastination. Others don't know where to start. “So many times we hear from the family of a Silent Key who are overwhelmed with what to do with a lifetime worth of amateur radio gear,” said ARRL Director of Development Kevin Beal, K8EAL. “Simply thinking through wha...
ARRL Club Grants Will Be Awarded in November
Applications for the 2024 ARRL Club Grants program are now being reviewed (the application period closed July 26, 2024). ARRL Field Services Manager Mike Walters, W8ZY, said 110 grant applications have been received and the awards will be announced in late November. “Grants are available up to $25,000 and emphasis is given to projects that are transformative in nature,” said Walters. Examples of ...
ARRL Closed Monday, September 2, for Labor Day
ARRL The National Association for Amateur Radio® will be closed on Monday, September 2, 2024, in observance of the Labor Day federal holiday. There will be no W1AW bulletin or code practice transmissions. ARRL Headquarters will reopen on Tuesday, September 3, at 8 AM EDT (1200 UTC).
Visit the ARRL Special Events Stations database to find on-the-air events and commemorations this weekend.
ARRL wi...
LC Resonant Frequency Calculator
This online calculator determines the missing value among inductance (L), capacitance (C), and resonant ... - Listed in Technical Reference/Calculators
How to renew your FCC Licence
This document provides a comprehensive guide on renewing an US amateur radio license through ... - Listed in Ham Radio/Licensing
LoRA Experiments
Getting started with LoRA a documented experience with LoRA Gateway, Antennas and simple application - Listed in Technical Reference/LoRa and LoRaWan
Morsle
Morsle.fun is a user-friendly web application designed for practicing Morse code reception by guessing ... - Listed in Operating Modes/Morse code/Learning Morse Code
Maritime Radio Room Clock
Before the advent of satellite communication, maritime communication adhered to an international protocol requiring ... - Listed in Operating Aids/Time
Impedance Calculators Online
Online impedance calculators grouped by types like Wire inductances, Toroid incuctances, Plane, PAD, Strap ... - Listed in Technical Reference/Calculators
HamAlert Cluster Client
The HamAlert Cluster Client is a Windows program developed by OE3IDE to connect to ... - Listed in Software/DX Cluster
Yaesu FTX-1F New product Announcement
Yaesu has announced the FTX-1F, a portable transceiver launching in early 2025. It offers 6W output, 9 hours of operation on HF bands, and covers HF, 50, 144, and 430 MHz. More details coming soon!
ICOM IC-7760 HF 200W Transceiver
The ID-50 is a compact VHF/UHF dual bander with both D-STAR and FM dual modes. Connecting to the D-STAR network, you can call a friend in another city, or other regions around the world with the ID-50. Smart functions such as Band Scope and Picture Sharing function enhance your QSO experience.
Top Amateur Radio Websites - Issue 2434
A Shortened 20 thru 40 Meter Vertical for POTA, Moon tracking DLL, Sideswiper Net, Practical Design of Very High Gain Yagi Arrays, DJ5IL Karl Transmitting on Shortwave since 1973
ARRL Audio News August 23, 2024
ARRL Audio News August 23, 2024
ARRL Expands Publications Archive
Lost and Found: EME WAC Award Application
G6HKS Yagi Kits & Parts
G6HKS Yagi Kits & Parts provides material kits for building high-performance PowAbeam Antennas, ideal ... - Listed in Manufacturers/Antenna Parts
ARRL IT Security Incident - Report to Members
Sometime in early May 2024, ARRL’s systems network was compromised by threat actors (TAs) using information they had purchased on the dark web. The TAs accessed headquarters on-site systems and most cloud-based systems. They used a wide variety of payloads affecting everything from desktops and laptops to Windows-based and Linux-based servers. Despite the wide variety of target configurations, ...
How To Build a Rotator Controller with a Computer Interface
Controlling a rotator via computer can be costly, but a budget-friendly solution exists using ... - Listed in Technical Reference/Antenna Rotator
SOTA Goat
SOTA Goat is an essential tool for Summits On The Air participants, offering an ... - Listed in Software/iPhone
Building a 4-Element Yagi Antenna for the 6m Band
Guide to constructing an effective antenna for 50MHz. Inspired by a design from Martin ... - Listed in Antennas/6M/6 meter Yagi Antennas
RF Feedline Power-Loss Calculator
This excel workbook addresses the issue of power loss in transmission lines with complex ... - Listed in Software/RF Design
Marki RF Tools Calculators
Set of online calculators provided my Marki includes a LC Filter Design Tool, Microstrip ... - Listed in Software/Circuit Design
Add Panadapter to Yeasu FT-DX1200
A simple realization of a panadapter conntected to a custom build IF PanAdapter output ... - Listed in Technical Reference/Pan Adapter
Top Amateur Radio Websites - Issue 2433
A Miniature VSWR Meter for QRP, CQ Zone, ITU Zone and Maidenhead Locator to your leaflet maps, A Four Element Six Metre Yagi Antenna, How to Program FT5DR on LINUX, Ham it Up: A Beginner's Look at DXing, Online Coil Inductance Calculator, Repairing Yaesu FT-817 Fail TX on 144 MHz, Station Radioamateur FO5MD - Tahiti, Coastal Ham Radio, N4NJJ Repeaters,
ARRL Audio News August 16, 2024
ARRL Audio News August 16, 2024
EFHW Antenna Modeling with MMANA-GAL
Andrew Georgakopoulos, SV1DKD, modeled the End-Fed Half Wave (EFHW) antenna using MMANA-GAL software. He ... - Listed in Antennas/End-Fed/End Fed Half Wave Antenna
ARRL Urges Protecting the Amateur Radio 902-928 MHz Band
The Federal Communications Commission (FCC) accepted for public comment a Petition for Rulemaking filed by NextNav Inc., a licensee in the 900-MHz Location and Monitoring Service (LMS), to completely reconfigure the 902-928 MHz band and replace the LMS with high-powered 5G cellular and related location services. The FCC Notice requested comment on the effects that NextNav’s proposals would have ...
Solar Cycle 25 Producing Record High Sunspot Numbers
By: Frank Donovan, W3LPL Editor’s note: This article was written earlier in the week. The latest measurements show even higher numbers. See this week's K7RA Solar Report in The ARRL Letter for latest information. Record High Solar Cycle 25 Solar Maximum Sunspot Numbers Have Improved HF Propagation Since Mid-July and Possibly Bringing Worldwide 6 Meter F2 Propagation This Fall. According to the NO...
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