Antenna
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 would be the minimum spacing for the ant... Read more
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 CHA-LEFS End Fed Half Wave antenna. Which will win in this Parks... Read more
Phasing Antennas for Directionality
Jared, N0SPC, is the only ham in his country, and he has a question regarding phasing. He wants to know if he can use a phased array of mobile whips t... Read more
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 to its versatile configurations and compact s... Read more
Using FT8 to demonstrate Antenna Orientations
One man’s observation of different radiation patterns that evolved from choosing different antenna installation orientations. What are your thou... Read more
Improving Suburban HF Vertical Antennas
HF verticals are very popular for the smaller suburban gardens. How do they perform and are there any improvements you should consider? Read more
Reduce Common Mode Current (CMC) with a Easy to Build Choke
Common Mode Current can really mess with RFI and cause interference in the shack. In addition, you could also be receiving unwanted interference on th... Read more
Building the BuddiHex Hexbeam | Best Portable Ham Radio Antenna
Today I go through all of the steps and pieces for building the BuddiHex Hexbeam antenna from Buddpole. This might be the best portable ham radio ante... Read more
Review
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™ is described as a DC Power Ma... Read more
Apartment Grounding Dilemma
Ilya, ER1TAW, inspired this video from his question that Dave has been asked many times. How should one ground when they live in an apartment complex? Read more
Time and the WWV
Albert, N3XEI, lives in North Carolina and he sometimes listens to WWV but he can hear WWVH before he hears WWV. Why is this? Aren’t they suppos... Read more
Grounding When Portable
Curt, KB9JQU, has a newer question around the topic of grounding. He is wondering how are you to ground when you are doing portable operations? Read more
DISCOVERY TX 500 Upgrade Amplifier & ATU!
We look at the latest firmware update and also at the upcoming accessories. GENERAL FEATURES – Splash proof & Dustproof Portable SDR 160-6-m... Read more
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 and other data from your phones... Read more
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. Read more
Set up an entire HF station for under $1000?
“A viewer asks: I want a home base station trans/receiver so I can listen till I am licensed. Need an antenna too. But all for under $1000 if po... Read more
Equipment
Hermes Lite 2.0 SDR Transceiver
In this video, we take a look at the very cool Hermes Lite 2.0 SDR Transceiver HF Ham Radio. The Hermes-Lite is a low-cost direct down/up conversion s... Read more
Release the KrakenSDR!
KrakenSDR is now available for crowdfunding on Crowd Supply. Thank you to all interested parties for your patience while we navigated recent pandemic-... Read more
XPA125 Tuner – Any good?
Today I take the XPA125 Tuner and put it through its paces with a 9:1 EFRW Random Wire Antenna Read more
Xiegu X6100 HF/50MHz Portable SDR Transceiver
Xiegu X6100 is a revolutionary self-contained 10 watt HF and 6m SDR transceiver with a large color display, automatic antenna tuner and a built-in hig... Read more
QDX 4-band 5W Digi transceiver
The “QDX” (QRP Labs Digital Xcvr): a feature-packed, high performance, four-band (80, 40, 30, 20m) 5W Digi-modes trans... Read more
Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier
Today we take a look at the Xiegu XPA125B QRP Amplifier and Auto Tuner hooked up to the Icom IC-705. This amp will work with a variety of QRP rigs inc... Read more
YAESU M-90D Desktop Microphone: UNBOXING
Yaesu M-90D Desktop Microphones utilize a finely tuned dynamic element to deliver rich low to mid frequency response, desirable for a clear and concis... Read more
Choosing Lightning Arresters
Robert, KG5BJF, is getting ready to set up his station and his question is “How do you determine which lightning arresters are the correct ones... Read more
Digital Modes
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 rid of those frustrating errors. Read more
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 mainly co... Read more
RC WSJT-X 2.5.0-rc4 is now ready for download by beta testers
“Dear WSJT-X and MAP65 Users, We are pleased to announce that a public Release Candidate WSJT-X 2.5.0-rc4 is now ready for download by beta testers. O... Read more
JS8Call Overview and Settings 2021
JS8Call Overview and Settings 2021 Read more
FT8DMC 3rd Anniversary-Activity Days 2020
To commemorate our 3rd anniversary, special event stations will be on air during the FT8DMC Activity Days from 1. to 31. July 2020. All stations will... Read more
K1JT , JOE TAYLOR HINTS AT POSSIBLE NEW MODE!
In a post to the WSJT-X email group today, Joe Taylor K1JT hinted at some ongoing experimentation of a new digital mode with sub-modes. His post was a... Read more
WWSA GACW Contest Rules.
WWSA GACW I – Dates Second weekend of June of every year. From Saturday 15.00 UTC until Sunday 15.00 UTC. 24 hours period. II – Goal To co... Read more
