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Slim Jim Antenna Calculator - Design Your Antenna Online
The Slim Jim Antenna Calculator is an online tool that helps hams design a Slim Jim antenna for any desired frequency. This extended version of the ...
4DX Dipoles-Beam Antenna: Design, Build and Performance
This page provides detailed information on the 4DX directional wire beam antenna designed by LZ1AQ, LZ1ABC, VK6LW, and DD5LP. It explains how to ...
Delta Loop Antenna Designer: Amateur HF Band Vertical-Plane Antenna
This page allows hams to design a vertical-plane delta-loop antenna for a single amateur HF band in different configurations. By choosing different ...
K5USS 6 Meter Hentenna Project
The K5USS 6 Meter Hentenna Project page on Hamuniverse provides detailed instructions on how to build a 6 meter directional antenna with 3.5 dBd ...
Young Ladies Radio League - YLRL Women in Amateur Radio
The Young Ladies' Radio League, also known as YLRL, is an organization founded by women in 1939 with the goal of connecting and supporting female ham ...
QRPGuys DS-1 40-10m Short Vertical Antenna - Build Your Own!
Learn how to build your own QRPGuys DS-1 40-10m short vertical antenna for ham radio operators. This page provides detailed instructions on ...
sBitx: The SDR for Homebrewers
This page, authored by Joshua Beckman VU2ESE, delves into the sBitx, a Software-Defined Radio (SDR) designed for homebrewers. The content covers the ...
Daylight Radio: An All Analog Radio Design
This article discusses a high performance, 7MHz, 5 watt SSB rig, the Daylight Radio, an all-analog radio design from the 1980s that includes a full ...
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Amateur Radio News Feeds
[ARRL] - Friday July 11 2025
Spaceweather.com reports solar activity was at low levels with only C-class flares observed. The largest flare during the period was a C8.9 from an unnumbered region beyond the east limb at S13. This region was also responsible for the majority of the remaining flares alongside Regions 4136 and 4137. An approximate M2 was observed by Solar Orbiter at 10/1326 UTC just beyond the east limb, bri...
[ARRL] - Friday July 11 2025
The numbers for 2025 ARRL Field Day continue to grow. As of today, July 10, 3227 entries have been received and each day the list gets bigger, according to ARRL Contest Program Manager Paul Bourque, N1SFE. “Get those entries in!” he encouraged. The deadline is July 29. It was a big year for ARRL Field Day on social media. 260 public posts across several platforms used the hashtag #ARRLFD. That ...
[ARRL] - Friday July 11 2025
[ARRL] - Friday July 11 2025
Ambrose "Tripp" L. Owens, III, N4NTO, passed away on July 4, 2025. He was 57 years old. Investigators from the Harnett County Sheriff’s Office in North Carolina believe the cause of death was accidental electrocution but a final determination has not been made. Owens was working with an antenna mast in the Chicora Civil War Cemetery at the Averasboro Battlefield during a Parks on the Air (POTA)...
[RSGB] - Friday July 11 2025
We’re delighted to announce that our Keynote Speaker for the RSGB 2025 Convention will be Professor Lucie Green. Prof. Green is a Professor of Physics and a Royal Society University Research Fellow at the Mullard Space Science Laboratory (MSSL) of the University College London (UCL). She has also presented many TV and radio programmes including […]
[RSGB] - Friday July 11 2025
As well as releasing details of the Keynote Speaker, we have published a teaser of the Convention programme. This includes presentations by: Neil Smith, G4DBN who will share his experience of taking complex ideas and turning them into stories that connect with wider audiences. Many of you will be familiar with Neil from the popular […]
[RSGB] - Friday July 11 2025
Set yourself a challenge this summer and get involved with awards chasing. The RSGB awards are open to everyone, whatever your age, licence level and personal interests. They encourage you to push yourself further, learn something new and can even help you to make tweaks to your station to maximise performance. If HF is your […]
[RSGB] - Friday July 11 2025
At a recent meeting of the RSGB Regional Forum, the RSGB Regional Representatives elected George Crawford, MM0JNL as the Regional Forum Chair. George represents Scotland South and Western Isles as the Representative for Region 1. He got involved in amateur radio in 2020 and gained his Full licence by March 2021. George has also been […]
[IARU R1] - Thursday July 10 2025
The IARU Intruder Watch Service (IARU IWS) Newsletter June 2025 is now available.Click on the link to read it! …
[IARU R3] - Thursday July 10 2025
HAM Fair 2025 “Take off to the World of Amateur Radio at Ariake“Dates: August 23rd (Sat) and 24th (Sun), 2025Admission Fee: 2,000Yen, JARL Members/Disabled Fee (show membership card or disability certificate): 1,000YenFree admission for Youth below 22 …