Adjustable 1/4 wave antenna – homebrew version
VHF
AMSAT/Vanderbilt RadFXSat-2/Fox 1E Set to Launch
Virgin Orbit’s LauncherOne is a go for launch on Wednesday, January 13, at 1500 UTC, carrying the AMSAT/Vanderbilt RadFXSat-2/Fox-1E CubeSat into spac... Read more
144 MHz signal from the Faroe Islands heard 3000kms away in Bulgaria during Geminid Meteor Shower – Dec 2020
Every year, the Geminid meteor shower peaks around the 14th of December and many VHF radio amateurs make contacts by bouncing signals off the meteor t... Read more
QYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo
The QYT KT-780 Plus is a 100 watt mobile radio on the 2 meter Amateur Radio Band, and works on FM mode. Today we will walk through the menu of the rad... Read more
6000km TEP path on 144 MHz opens up between Buenos Aires and the Dominican Republic
Hot on the heels of the last post about the 5400km TEP opening on 144 MHz between Argentina and the island of Aruba, we have details of some more cont... Read more
Retevis RT95 Budget Dual Band Mobile Transceiver
Specifications GENERAL Frequency Range VHF:144-148MHz UHF: 430~440MHz Number of Channels 200 channels Channel Spacing 25K (Wide Band) 20K(Middle Band)... Read more
Software
New WSJT mode Q65
WSJT-X 2.4.0 will introduce Q65, a digital protocol designed for minimal two-way QSOs over especially difficult propagation paths On paths with D... Read more
Ham Radio Deluxe
Read this BEFORE you download and install this software. Keys formatted like “ASDF-QWER-ZXCV-ASDF” will NOT work. That software license se... Read more
Gqrx 2.13 is out!
Gqrx SDR 2.13 argilo released this 15 hours ago Stereo option for UDP streaming. Script to generate AppImage. Allow scroll wheel direction to be inve... Read more
WSJT-X Beta Release Introduces Digital Protocols Designed for LF and MF Bands
The latest beta release of the WSJT-X digital software suite includes digital protocols particularly designed for communication on LF and MF... Read more
The CAT Tool for WebSDRs
CATSync allows you to syncronize public WebSDR receivers with your real rig connected via CAT control to your computer. It supports the classical WebS... Read more
Antenna
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer.
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer. Read more
100 ft Tilting Tower
Raising a 100 ft tower with a winch on a 35 ft pole. Read more
I Found & Eliminated My QRM / RFI (Radio Frequency Interference)!
This is the third in a series of videos following my efforts to track down a source of local QRM / Radio Interference. Following the build of a succes... Read more
HF Antennas for Beginners: Tuesdays with Tim and Jeff
“We are bringing in 2021 with Tuesdays with Tim, K3LR and Jeff,KB8ZWT discussing HF antennas. Did you recently upgrade from tech to general? Tha... Read more
New Product MFJ-4713
This MFJ-4713 HF 4-Position Remote Antenna Switch lets you switch between four antennas remotely. Covers 1.8 to 30 MHz. Run one coax from the indoor s... Read more
Review
How Your Radio’s Final Amp Class Affects Efficiency
An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A,... Read more
My Wife Bought More Radio Gear On Wish and Ali Express
My wife surprised me at the end of 2020 with a new random box of goodies from Wish and AliExpress. Today we unbox some of these ODD radios and radio a... Read more
FTdx10 vs IC-7300 Comparison
This week Jonathan compares the new Yaesu FTdx10 and the Icom IC-7300. What are your comments on either? Read more
ICOM IC-705 Review and Full Walk Through
Here’s the complete and detailed review of the ICOM IC-705. If you are already an owner of this unit, this video covers the essentials of the op... Read more
Radials, Radials, Radials! Learn about radials!
In response to an Oggie question, we talk about radials for vertical antennas. Read more
