Radials or Not?
Joe, NE1JT, has a vertical dipole antenna and has a very simple question about it, and antennas in general....
Category: News
Safely using a coax switch to connect multiple rigs to a single antenna system
This video answers the question – “Can an antenna switch be used in reverse, to switch multiple radios into...
Should I change my callsign?
A viewer suggests that I shorten my callsign from KB9VBR to K9VBR. Joe and I talk about this and...
Remote TX – HRO at Pacificon 2021
In this video from Pacificon 2021, Marcus Gilson, AK7MG talks about his product, Remote TX, a way of remotely...
RF Interference VS Computer Speakers
Tim, KE8RHS, is having some difficulties with his shack set up. His radio and antenna seem to receive and...
The Software Defined Radio Toolbox
DRAGON OS FOCAL – The Software Defined Radio Toolbox Antenna Low Cost Magnetic Loop Antenna For 10-12 Meters May...
Ideas for the Shack!
Ideas for the shack with Tim, K3LR and Jeff, KB8ZWT! Antenna 472kHz Antenna Calculator June 01, 2016 No comments...
What’s inside your MFJ and LDG Tuners?
Just a quick video of the inside of a couple tuners, Manual and Automatic. Antenna Can a Balun be...
WSJT-X Errors? Try This Simple Fix
Does WSJT-X display errors when you transmit with your radio? Try this simple fix which has helped me get...
Buddipole PowerMini2 Solar Charge Controller for Ham Radio
Brand new from Buddipole is an updated version of their solar charge controller, dubbed the PowerMini2. The POWERmini 2...
Our Sun is About to Get Busy
“This week our Sun is getting primed for some real activity! Although space weather has been quiet this week,...
Apartment Grounding Dilemma
Ilya, ER1TAW, inspired this video from his question that Dave has been asked many times. How should one ground...
Baofeng AR-152 Tactical Military Ham & Airsoft Radio
Baofeng AR-152 VHF/UHF Ham Radio 15W Powerful 12000mAh Battery Portable Tactical Game Walkie Talkie AN /PRC-152 Two Way Radio...
How close can I mount two antennas?
A viewer asks: “I am running three UHF and four VHF radios. They are all on different frequencies. What...
Radioddity DB20-G Compact 20W GMRS Radio
Let’s take a look a this mini-mobile and compact GMRS Mobile Radio from Radioddity. Rated at 20-watts, let’s test...
WSJT-X version 2.5.1 released
WSJT-X version 2.5.1 releasedThe development team have announced the General Availability (GA) release of WSJT-X version 2.5.1. This release...
Grounding When Portable
Curt, KB9JQU, has a newer question around the topic of grounding. He is wondering how are you to ground...
DISCOVERY TX 500 Upgrade Amplifier & ATU!
We look at the latest firmware update and also at the upcoming accessories. GENERAL FEATURES – Splash proof &...
Wolf River Coil vs End Fed Half Wave: Brunet Island State Park, WI POTA K-1442
You asked for it, here it is: a live A/B test of the Wolf River Coil vs the Chameleon...
Wireless, Off-Grid, No-License Communication For $27.99 (LoRa Meshtastic)
The LoRa Meshtastic T-BEAM device are small battery powered devices that will mesh with other T-BEAM and send messages...
Phasing Antennas for Directionality
Jared, N0SPC, is the only ham in his country, and he has a question regarding phasing. He wants to...
What is CESSB? W9GR the author explains!
Dave, W9GR explains what is CESSB – Controlled Envelope SSB and how it gives your more RF Talk power....
Chameleon CHA-MPAS 2.0 Portable Ham Radio Antenna System
The Chameleon CHA-MPAS 2.0 just might be the best portable Ham Radio antenna that you can get today, due...
Release the KrakenSDR!
KrakenSDR is now available for crowdfunding on Crowd Supply. Thank you to all interested parties for your patience while...
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal...