ARRL Straight Key Night: January 1, 2025
ARRL Straight Key Night will be January 1, 2025, from 0000 UTC through 2359 UTC. This 24-hour event is not a contest but rather a day dedicated to celebrating our CW heritage. articipants are encouraged to get on the air and simply make enjoyable, conversational CW QSOs. The use of straight keys or bugs to send CW is preferred. There are no points scored and all who participate are winners. All ...
70 MHz converter
The RXC70/10 is a sensitive 70 MHz to 10-meterband converter using the Philips SA602 ... - Listed in Technical Reference/Transverters
Call for Nominations: ARRL Awards Recognize Excellence in Ham Radio
ARRL The National Association for Amateur Radio® seeks nominations for awards. It probably isn’t hard to think of someone you know in the hobby who goes above and beyond in service to amateur radio, their club, their fellow hams, or their community. Volunteers are the very core of the Amateur Radio Service, and that dedication is what carries the ARRL Field Organization. Excellence in on-air ope...
ARRL Kids Day - January 4, 2025
ARRL The National Association for Amateur Radio® Kids Day runs January 4, 2025 from 1800 UTC - 2359 UTC. Operate as much or as little as you like. The event is designed to give on-the-air experience to young people, to foster interest in getting a license of their own, and give older hams a chance to share their stations and love for amateur radio with their children. You can share the excitemen...
The QubeDX modular CubeSat-style QRP transceiver
The QubeDX is a modular CubeSat-style QRP transceiver designed for digital mode operation with ... - Listed in Technical Reference/QRP Projects
ARRL Closing Early Dec. 24, and Closed Christmas Day Dec. 25
ARRL The National Association for Amateur Radio® will close our headquarters early at 12 PM Eastern Standard Time (1700 UTC) on Tuesday, December 24, 2024, and will be closed all day on Wednesday, December 25 for Christmas. The ARRL Headquarters lobby and store, as well as W1AW, will be open to visitors from 8 AM to 12 PM EST on Tuesday, December 24. There will be no W1AW bulletins, code practi...
Experimental Station to Commemorate Fessenden Transmission December 24
Brian Justin, Jr., WA1ZMS, of Forest, Virginia, will operate experimental station WI2XLQ on 486-kHz AM for the Reginald Fessenden commemorative transmission starting approximately at 22:00 UTC on December 24, 2024. Transmissions will last for at least 24 hours. A repeat transmission will take place on December 31, also starting approximately 22:00 UTC and running for 24 hours. All transmissions ...
Sylcorsica Design
SylCorsica design provides cool graphic design for your QSL Cards. If you are not ... - Listed in Shopping and Services/QSL Printing
QSLgrafi27
QSL card printer service based in Spain - Listed in Shopping and Services/QSL Printing
Top Amateur Radio Websites - Issue 2449
Amateur Radio World Map, Building a Rotatable Flag Antenna for Small Lots, Vertical Delta Loops Antennas, Transitioning from W7IUV to Waller Flag Antenna Designs, Trap Dipole for 17, 12 and 6 Metre Amateur Bands, SO2R Speaker and Paddle Switching, Intermittent receiver issues in the TS-590s,
Saturn PCB Design Toolkit
The Saturn PCB Toolkit is the best freeware resource for PCB-related calculations you can ... - Listed in Software/PCB Design
ARRL Audio News December 20, 2024
ARRL Audio News December 20, 2024
Top Performer for HF: The 80-Meter Skyloop Antenna
The 80-meter Skyloop antenna, a top-performing HF antenna, excels in weak signal work, low-noise ... - Listed in Antennas/80M
Top Amateur Radio Websites - Issue 2448
Squirrel Cannon AKA Spud Gun , Guide to Antenna Modeling with NEC by W4RNL, Exploring Linux HF Packeteering with Direwolf and QtTermTCP, Optimized 40-Meter Delta Loop Beam Antenna, SuperFox Code Verification Site, Kenwood TS-520S at RigPix,
Construction of a M0PLK Delta Loop Antenna
This project details the construction and testing of a M0PLK Delta Loop antenna for ... - Listed in Antennas/Delta loop
Building a 50 MHz Notch Filter with Coax Cable
This project documents the construction of a coaxial 50 MHz notch filter to eliminate ... - Listed in Technical Reference/Filters
Charging your laptop or tablet off-grid
This tutorial demonstrates how to charge laptops or tablets, like the Microsoft Surface, using ... - Listed in Technical Reference/Batteries
Top Amateur Radio Websites - Issue 2447
Current consumption for various HF Rigs, Using a SDR as a RFI Site Survey Tool, Coil64 Inductance Coil Calculator, The Porch Loop a small receiving loop , Going Full-Circle with a Kenwood TS-520S, Adding an external keypad to the K3, VK9CV Cocos Keeling DXpedition
APRS TX I-Gate with APRX and the Universal Radio Controller
**APRS TX I-Gate with APRX and the Universal Radio Controller**
This project explores ... - Listed in Technical Reference/APRS
Minimalist Breadboard SDR Receiver with Pi Pico
This project revisits a minimalist software-defined radio (SDR) receiver built using a Raspberry Pi ... - Listed in Technical Reference/Software Defined Radio
Top Amateur Radio Websites - Issue 2446
HVA1 All Band Vertical Antenna, 7 Element VHF High Gainer , The W3HH T2FD Antenna Project, T2FD Calculator, Tri-band Yagi Antenna for 20 17 15 meter band, Introduction to Digital Voice
MPLAB Mindi Analog Simulator
The MPLAB Mindi Analog Simulator helps design analog circuits faster and with less risk ... - Listed in Software/Circuit Design
ARRL Audio News December 13, 2024
ARRL Audio News December 13, 2024
ARRL 10-Meter Contest, December 14-15, Great Opportunity for Technicians.
We are at the peak of Solar Cycle 25, and the 10-meter amateur radio band has been providing impressive propagation lately. Recent reports of “wide open” band conditions make this weekend’s ARRL 10-Meter Contest a great opportunity to take advantage of the best conditions of a generation. “I’ve been leaving the mobile radio on 10-meters for the drive into work each day,” said ARRL Regulatory an...
ARRL Teachers Institute on Wireless Technology Now Accepting Applications for 2025 Cohorts
The ARRL Teachers Institute on Wireless Technology (TI) continues to grow. Fresh off a highly successful YouTube telethon that raised more than $41,000 for the program, some of next year’s dates have been announced. Applications are now open. The program is growing, and educators will have the opportunity to attend sessions around the country. “We love having the teachers here at ARRL Headquarte...
Building a radio repeater
Building a radio repeater enhances communication by extending signal range and overcoming obstacles like ... - Listed in Technical Reference/Repeater
CW_PLAYER
CW_Player is a freeware Morse code training program designed for aspiring and experienced radio ... - Listed in Software/Morse Code Training
YO9GR Alex
Personal website of YO9GR Alex from Romania.
Alex provides in his web site a blog ... - Listed in Ham Radio/Personal Pages/Europe
Pocket Tuner
**Abstract**
The POCKET TUNER V1.1 is a highly compact HF T-Match antenna tuner ... - Listed in Antennas/Tuners
SAT_EXPLORER
SAT_EXPLORER is a versatile software for tracking the Moon, Sun, and artificial satellites while ... - Listed in Software/Satellite tracking
MyWaveRecorder
MyWaveRecorder is a lightweight utility designed to capture and save any audio played on ... - Listed in Software/Audio Recorders
Anytone AT-778UV FM Dual Band Transceiver
The Anytone AT-778UV is a popular dual-band FM transceiver known for its affordability and solid features. Operating on VHF (144-148 MHz) and UHF (440-450 MHz) bands, it offers selectable power outputs of 25W, 15W, or 5W. Its bright 180-degree TFT LCD display and intuitive interface enhance usability in various settings. While it delivers good audio quality and a robust build, it lacks a dedicated volume knob and may heat up during extended use. Overall, it's an excellent entry-level choice for amateur radio enthusiasts.
AZIWORLD
AZIWORLD is a user-friendly tool for generating azimuthal maps of the Earth centered on ... - Listed in Software/Grid Bearing and Maps
ARRL Audio News December 6, 2024
ARRL Audio News December 6, 2024
Register for 25th Annual SKYWARN Recognition Day, December 7
The 25th Annual SKYWARNTM Recognition Day (SRD) is Saturday, December 7. SRD recognizes the work of amateur and non-ham SKYWARN storm spotters in keeping their communities safe during severe weather. Trained spotters provide observations of “ground truth” to regional National Weather Service (NWS) offices. While meteorologists have advanced remote sensing data like radar, satellite, and weather...
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