SWR
W6LG, Jim, shows the loss in RG8X in a simple demonstration without using Algebra and Smith Charts.
Antenna
How I designed the Nebula eXtreme Multiband 18m DX Commander Antenna
eXtreme Multiband 18m DX Read more
The repeter antenna of the ISS
The repeter antenna of the ISS Source: URE Read more
RigExpert Stick 230 Antenna Analyzer Review & Operation
Antenna Analyzer Read more
Portable Carbon Fiber Telescopic Antenna Mast With Premium Tripod, Review/Demo
Portable Carbon Fiber Telescopic Antenna Mast With Premium Tripod, Review/Demo Read more
News
Hurricane Watch Net Wraps Up Marathon Activation for Two Storms
The Hurricane Watch Net (HWN) just stood down from another extended session — 71 hours of continuous operation — for Hurricane Paulette and Hurricane... Read more
FIRST CUBESAT SATELLITE DEVELOPED BY BRAZILIAN COMPANY FINISHES ENVIRONMENTAL TESTS
The Engineering Model, the first development model, of the NANOMIRAX / CRON-1 nanosatellite carried out its environmental testing campaign at the Inte... Read more
Marconi Day Award
Marconi Day Award The Calabria DX Team has once again organized Marconi Day and Award for the second year. The following accredited stations... Read more
SDRplay has added sample IQ files to their website
IQ Demo Files Here you can find off air IQ recordings for you to check your SDRuno and related software settings for a variety of different situations... Read more
VHF
Promotion video of ICOM IP730D/IP740D
The IP730D series is an innovative hybrid IP radio with licensed professional radio mode for local and nationwide communications. Read more
University in Poland will Launch Balloon with VLF Transmitter On Board
A balloon experiment by Warsaw University of Technology is planned to lift off on September 12, carrying a unique very-low-frequency (VLF) 210-meter l... Read more
IC-SAT100 Operation Guide
https://www.youtube.com/watch?v=O_0sqZIjiCc Read more
ISS 437.800 MHz cross band FM repeater activated
At 01:02 GMT on September 2 a cross band FM amateur radio repeater with a downlink on 437.800 MHz was activated on the International Space Statio. The... Read more
App - Mobile
iWSPR TX – WSPR for iOS version 2.8 now available
WSPR WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Normal transmissions carry a station’s... Read more
HF Beam Antenna Calculator for Iphone and Ipad
Antenna Calculator The Maidenhead & HF Beam Antenna is a useful utility to calculate the the Maidenhead LOCATION as well as HF Elements’ s... Read more
Repeater Database APP ( IOS and Android ) – Now includes over 35 countries
Repeater Database “RepeaterBook – The Free Repeater Directory for the USA and Canada. Powered by the popular community database of... Read more
Antenna Tool App – Android
A tool to help ham radio, CB, and other radio users to create antennas of various types. Calculations available for dipole, vertical (1/8, 1/4, 3/8, 1... Read more
Review
Ferrite Beads, Common Mode Chokes, RFI by W6LG
“Ferrite Beads can be magical in what they do at a ham radio station. One website that has lots of information and even tutorials is Palomar-Eng... Read more
Apache Labs Anan 8000DLE at ML&S – Overview
The ANAN-8000DLE HF & 6M 200W SDR Transceiver meets and exceeds the requirements of even the most discerning Amateur Radio Operator, it is based o... Read more
Overview of the Icom IC-9700 SDR VHF/UHF Transceiver
Following on from our initial ‘Introduction to the IC-9700 VHF/UHF/1200 MHz Base Station SDR Transceiver’ video, we have put together a more in-depth,... Read more
Baofeng RD-5R Dual Band DMR HT Review
Baofeng RD-5R “Today we talk about the Baofeng RD-5R Dual Band DMR HT. I found it to be a decent radio, but lacking the features that we have se... Read more
VHF
Radioddity GD-55 UHF Waterproof DMR Digital Radio, with GPS Function! 10W with 2800mAh Lithium Polymer (Li-Po) Battery
Introducing the Radioddity GD-55, A Tougher DMR Radioddity’s first proprietary radio is designed to meet the most demanding of conditions, and dole ou... Read more
WRC-19 Day-19: 50 MHz Approved!
WRC-19 has approved an allocation in the 50 MHz band for amateurs in Region 1 at its morning plenary in Sharm El-Sheikh, Egypt, on Thursday 21 Novembe... Read more
TYT TH-9000D – VHF
The TYT TH-9000 is the Amateur compliant transceiver, with commercial grade features. This radio can be used on the BC Forest Logging Roads, and can... Read more
Two Repeaters One Antenna Feed Line
“We had an opportunity recently to provide a unique duplexer system. The customer needed a single antenna feed line for two repeaters. This solu... Read more
