Automatic antenna switch with Arduino Nano
Technical Reference/Arduino
Arduino Nano board based antenna coax antenna switch intended for use with ICOM CI-V protocol. When is used alone with transceiver without PC control (CAT software, any logging software with CAT functionality), the CI-V transceive option in TRX setup shall be set to ON.
ARRL Audio News April 14, 2023
ARRL Audio News April 14, 2023
This Week: World Amateur Radio Day Special Event
World Amateur Radio Day (WARD) is April 18, 2023, and will celebrate the IARU's 98th anniversary. On this day in 1925,the IARU was formed in Paris, France. American Radio Relay League® (ARRL) Co-Founder Hiram Percy Maxim was its first president.
This year's theme is Human Security for All (HS4A). The day is being celebrated with a 2-week operating event occurring April 11 - 25.
Dave Sumner, K1ZZ,...
Congresswoman Debbie Lesko Speaks At DeVry University Hamfest
U.S. Congresswoman Debbie Lesko (AZ-08) recently visited a hamfest and met with Amateur Radio operators at DeVry University campus in Phoenix, Arizona, on April 8.
Congresswoman Lesko’s visit was a highlight of the event, as she is a major supporter of Amateur Radio. Lesko arrived early and spoke with many Amateur Radio attendees and ARRL leadership representatives. She toured the emergency comm...
Andover Radio Amateur Club
Is for those who wish to explore the globe by radio and experiment with electronics.
IW6MKI Uba I6YOT Mimma
A surf between radio history, home made and the sea.
Basic K3NG Winkeyer
Technical Reference/Keyers
This keyer being intended to be used mainly in conjunction with contest software. This keyer is based on an Arduino Nano and the Keyer software by K3NG. It has been designed with very basic features, and it is intended to work with logging software.
UHF VHF Crossed Satellite Yagi Antenna
Antennas/Satellite
This home made antenna provides around 10.5dBd gain on 70cm, and 6.5dBd gain on 2m, which is more than adequate to work the FM satellites with a handheld dual band radio
T30UN Log Online
DX Resources/Logs
T30UN Log Online for Tarawa Island Kiribati DXPedition in April 2023 provided by club log
4W1A Timor Leste
DX Resources/DX Peditions/2023 DXpeditions
4W1A DX Pedition to Timor Leste 10 April 2023 thru 22 April 2023
4W1A Online Log
DX Resources/Logs
Timor-Leste DXPedition 4W1A Log online service provided by club log
Elecraft K4 Transceiver
Radio Equipment/HF Transceivers/Elecraft K4
Official Elecraft K4 Transceiver page at Elecraft web site with technical specifications, news, manuals and software updates for the K4, HF High performance direct sampling SDR Radio transceiver by Elecraft
W4ULH Florence Amateur Radio Club
Ham Radio/Clubs/North America/USA/South Carolina
FARC Florence Amateur Radio Club
Homebrew HexBeam Antenna
Antennas/HexBeam
The Hex Beam page by W1GQL page, a document dedicated to home brewing hex beam antenna with dimensions, info on spreaders, wires to use, spacing tips, feed line information, mast to use, multi-band version and antenna height
Top Amateur Radio Websites - Issue 2314
Magnetic Loop 600 KHz-4MHz, Build the K1FM-Loop, VARA, 30m Half -Size Rotary Dipole, A switched Capacitor Audio Filter, CubeSat 101, CubeSatKit.com, Scout Activities - Amateur radio, CubeSats and FUNcube
IARU Societies Logos
Internet and Radio/Pictures
A collection of IARU Member Society Logos, hanging your mouse over each logo you will see country, prefix, zones, continent & time zone
NASA Names Three Hams for Artemis II Moon Mission Crew
NASA and the Canadian Space Agency (CSA) announced the four astronauts who will venture around the moon on Artemis II. This will be the first crewed mission on NASA's path to establishing long-term moon science and exploration development. The agencies revealed the crew members on Monday, April 3, 2023, during an event at Ellington Field near NASA's Johnson Space Center in Houston, Texas. Three...
Hamword Wordle over Winlink
Internet and Radio/Radio Gateways
Hamword is a Winlink-based game that mimics the popular five-letter word guessing game, Wordle. The goal of this game is to give hams a way to practice their Winlink skills while having some fun guessing an unknown five-letter word.
The only thing you need to play the game is an amateur radio license and an operational Winlink account.
ARRL Audio News April 7, 2023
ARRL Audio News April 7, 2023
K3LV Lebanon Valley Society of Radio Amateurs
LVSRA has been affiliated with the American Radio Relay League since 1930 and was incorporated in 1977 for the purpose of information exchange, to promote radio knowledge. Lebanon County Pennsylvania
My Cheap Hexbeam
Antennas/HexBeam
With an eye to the final cost I have built a good 20 meter monoband Hex Beam antenna.
Portable Coaxial Dipole Flower Pot Antenna
Antennas/2M
A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
DXCC Flags
DX Resources/DXCC
Collection of flags of all DXCC entities. They are based on image sizes of precisely 47 x 28 pixels.
Top Amateur Radio Websites - Issue 2313
Small Loop Antenna for the 80m to 10m, SAFARI 40-30m vertical Antenna, How to call CQ as an HF QRP station, Remote solution for TS590s, A Simple Hybrid Software Defined Radio, A JFET preamplifer for 50 MHz, 70 MHz Transverter,
WR9ARC Riverland Amateur Radio Club
Repeaters: 146.970 444.475 La Crosse, Wisconsin
Portable T-Match ATU
Antennas/Tuners
Homebrew Portable T-Match ATU, VK1AD Portable T-Match Antenna Tuner (ATU) mounted in a plastic case, T-Match ATU Schematic – 3.5 to 52 MHz power rating 80 watts
HamCation 2023 Attendance Update
Orlando HamCation announced the attendance number for this year's 76th annual event, which was held February 10 - 12 at the 87-acre lakefront Central Florida Fairgrounds and Expo Park.
This year's attendance was the third largest for HamCation, at 21,830.
HamCation organizers reported the weather was great during show hours and the rain held off each night until after closing.
A big thank you was ...
Matching transformers for Beverage
Antennas/Beverage
Building some proper matching transformer for loop on ground and Beverage antennas
Amateur Radio Activity Honors African American Heritage
Parks on the Air® (POTA) sites that honor African American heritage are the focus of a casual operating event organized by the OMIK Amateur Radio Association, Inc (OMIK). The OMIK POTA Challenge 2023 will run from April 1 to December 31.
OMIK was founded in 1952 by black amateur radio operators. While it is still a predominately African-American organization, today it represents a multi-racial, ...
Antennas for HOAs and Apartments
Antennas/Indoor
This presentation applies to HF / VHF / UHF antennas and is about 14 different type of antennas suitable for indoor od apartament installations
ARRL Audio News March 31, 2023
ARRL Audio News March 31, 2023
ARRL Welcomes Sierra Harrop, W5DX, as Public Relations and Outreach Manager
ARRL The National Association for Amateur Radio® is pleased to welcome Sierra Harrop, W5DX, to its headquarters staff as Public Relations and Outreach Manager. Harrop brings 20 years of experience as a multi-award-winning television storyteller, producer, and host to the role. She leads ARRL’s outreach and communications strategy to promote the awareness and value of the Amateur Radio Service ...
Amateur Radio Featured at 2023 National Hurricane Conference
Amateur radio and the work of ARRL Amateur Radio Emergency Service® (ARES®) will again be represented at the 2023 National Hurricane Conference, which will be held this year in New Orleans, Louisiana (http://www.hurricanemeeting.com). ARRL Director of Emergency Management Josh Johnston, KE5MHV, will be one of the presenters.
This year, the workshop will be held in-person and over Zoom. The conf...
ADACOM
German association dedicated to digital radio communications
VK3CMZ Midland Amateur Radio Club
Victoria, Australia
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