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
Mini-Whip Active Antenna
Antennas/Active
This HF active antenna is a build of the PA0RDT Mini-Whip from a kit, it covers the entire HF band (3 to 30 MHz) and below (supposedly down to 10 kHz). It is powered by an external 12-15V supply, consuming about 50 mA.
Homebrew 3CX3000A7 Amplifier
Technical Reference/Amplifiers/HF Amplifiers
A picture gallery of a home-brew RF Power amplifier made with 3CX3000
North Shore Radio Association
A large amateur radio club north of boston, ma.
VARAc
Software/Utilities
VarAC is a FREE, modern HF P2P real-time chatting application for the amateur radio operator that leverages the glorious VARA protocol
ARRL Announces Leadership Changes in the Hudson Division
ARRL Director Ria Jairam, N2RJ, who has represented the Hudson Division since 2019, has stepped down, effective March 31, 2023, at 5 PM Eastern.
Vice Director Nomar Vizcarrondo, NP4H, of Englewood, New Jersey, will accede to the Director’s chair. Vizcarrondo, who earned his amateur radio license in 1978 at the age of 11, will serve as Director for the remainder of a 3-year term ending December 3...
CHU
Shortwave Radio/Broadcasters/Time Signal Radios
CHU is a time signal transmitter operated by the National Research Council in Canada. It broadcasts on various frequencies and is primarily used for time synchronization in North America.
Home made multiband MOXON
Antennas/Moxon
Multi band Moxon Yagi Antenna for 10,15,20 meters band with just one feed line. Drawing and project with dimensions
Top Amateur Radio Websites - Issue 2312
A More Efficient Magnetic Loop Antenna, The GAWANT Antenna, A Simple Spectrum Analyzer , Antenna too short! Inductivity matching with coil match., MFJ-434 Voice Keyer, All About Scouting - Radio Scout, A Foxhunting Jamboree, TN8K Congo 2023
Radio Station WWV
Shortwave Radio/Broadcasters/Time Signal Radios
NIST radio station WWV broadcasts time and frequency information 24 hours per day, 7 days per week to millions of listeners worldwide. WWV is located near Fort Collins, Colorado, about 100 kilometers north of Denver. The broadcast information includes time announcements, standard time intervals, standard frequencies, UT1 time corrections, a BCD time code, and geophysical alerts
Solar Panel and Ham Radio
Technical Reference/Radio Frequency Interference
If you are having problems with RFI from Solar Panels this document from QST provides useful advice. According to this article it is possible to prevent and mitigate RF interferences, with your amateur radio equipment, by suppressing the RF either in the shack and to the solar power infrastructure.
The Infamous Attic Dipole
Antennas/Stealth
An attic wire antenna with several modifications during the time. Began as a simple coax fed doublet antenna, and upgraded to a multi-band hf fan dipole, till the G5RV all deployed in an attic.
ARRL Audio News March 24, 2023
ARRL Audio News March 24, 2023
Shortened 40 meter Vertical for POTA SOTA
Antennas/Portable
Build A Shortened 40 Meter Vertical antenna For POTA / SOTA Activations. A project for a portable wire antenna for 40 meters band suitable for POTA or SOTA operations.
Phone Service Restored at ARRL Headquarters - March 22, 2023
Update: Wedneday, March 22, 2023 @ 12:41 PM Eastern Time:
Telephone service was quickly restored at ARRL Headquarters. Incoming and outgoing phone calls are working. Thank you for your understanding.
Wedneday, March 22, 2023 @ 10:00 AM Eastern Time:
ARRL Headquarters is currently experiencing a telephone outage. Incoming and outgoing phone calls have been disrupted. We are currently working with o...
Amateur Radio Included in FEMA Guide for National Emergency Preparedness
The Federal Emergency Management Agency (FEMA) has released a final version (March 2023) of the National Incident Management System (NIMS) Information and Communications Technology (ICT) Functional Guidance. The guidance, which provides a framework for communications resources within incident management, officially includes support from amateur radio operators. The expanded Communications Unit ...
CT Governor Proclaims April 16 – 22 Amateur Radio Recognition Week
CY0S Log Online
DX Resources/Logs
Online Log CY0S Sable island DX Pedition 2023
Drive-On Antenna Mast For POTA
Antennas/Masts and mounts
This antenna mast mount uses two Reese hitch extensions that are welded on to a piece of 2 inch square tube. It comes apart in two pieces. The vertical pipe on the left is welded on to a 2 inch piece of square tube that fits into the Reese hitch extension.
RF Toroid Calculator
Antennas/Antenna Calculators
This RF Toroid Calculator provides graphical calculator used to determine the inductance and other parameters of ferrite and powdered-iron toroids. It simplifies the process of selecting the appropriate toroid for use in radio frequency (RF) circuits
Stop RFI from Solar PV Systems
Technical Reference/Radio Frequency Interference
Stop EMI RFI Interference in Off Grid Solar PV Systems, in this article the author provides hints on tracking down the EMI or RFI source, shielding and grounding in order to eliminate interferences on the whole HF and VHF ham radio bands
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