QRM ELIMINATOR – Solve Your QRM Problems EASY!
QRM Eliminators, do they work? The QRM canceller is inserted into the feeder of the antenna from thetrx without...
Category: Review
The POTA SOTA CW Killer Ham Radio DMX-40 Review + Real American Heroes
This is a long term review of The Preppcom DMX-40 QRP CW transceiver. Also a big shout out to...
How Many Ferrite Beads on an HF Antenna? What is Coaxial Cable? What are Common Mode Currents?
Ferrite Beads on an HF Antenna? What is Coaxial Cable? What are Common Mode Currents? Antenna 4O3A ANTENNA GENIUS...
Graphical Frequency Allocations [ QST: Ask Dave August 2022 ]
Graphical Frequency Allocations Download and print PDF documents using Adobe Reader. Frequency Bands Chart (8.5 X 11; grayscale) Frequency Bands Chart (8.5...
LEO BODNAR GPSDO With the Adalm Pluto SDR
Here we take a look at how we use the Leo Bodnar GPSDO Mini with the Adalm Pluto to...
PICOAPRS V4 TINY APRS VHF [ Review in Spanish ]
PICOAPRS V4 APRS + radio FM VHF 144-146 MHz (144-148 en la versión estadounidense) 0,5 / 1 vatio 21...
Transmit Without License During An Emergency? Save Life & Property?
Tony DeWitte AD0DQ, joins me to explain when it is legal for you to transmit outside of your radio...
MFJ-914 Auto Antenna Extender – Review
The MFJ-914 offers a way of extending the matching range of the internal ATU inside any transceiver. If your...
More on Grounding
Scott, N3CRS, has emailed Dave a very well organized list of questions that have to do with the subject...
PrepComm MMX TearDown – Keyboard CW?
PrepComm MMX TearDown The MMX Multi-band Morse Code Transceiver is the evolution of the DMX-40+ Morse Code Transceiver,and includes the keyboard! ...
Mini DIGITAL PWR / SWR meter review
This is the review of a Mini portable PWR and SWR meter with built-in battery and High SWR warning...
Radio Signals: What happens if there’s a hill in the way?
“Let us understand what happens if you have a hill or mountain in the way of your radio signal...
10 Reasons Why GMRS is NOT Better Than Ham Radio
“This video is a response to a video I saw by @NotaRubicon Productions where he claims that GMRS is...
RFI from Solar Inverter
RFI from Solar Inverter Lee, KI5ODH, built an off grid solar system for his station. But he is having...
XIEGU GNR 1 Noise Reduction Unit – Full Review
Xiegu GNR1 digital audio noise filter is an audio processing device integrating digital noise reduction and digital filtering. It...
What is the Noise Blanker used for?
New Hams Tips – What is the Noise Blanker used for? Antenna EAntenna 3BMOX 7 el. Yagi 10/15/20m band...
Fast Easy Guide to Decibels dB vs dBi in 6 Minutes
Decibels (dB) can be slightly confusing. Here is a simple short video explaining. Callum. Antenna Log Periodic Antennas –...
FX-4C SDR QRP Transceiver | Review of features and operating controls
Review of the features and operating controls of the FX-4C – a great little SDR Transceiver designed by BG2FX....
How to Comply with FCC RF Exposure Rules Forum Featuring Ed Hare, W1RFI | at 2022 Dayton Hamvention®
In May 2021, new FCC rules regarding exposure to RF energy went into effect. The limits haven’t changed, but...
Xiegu REVEALS the G106 QRP SDR HF Transceiver
Xiegu reveals a new SDR QRP radio that they are calling the G106. Let’s take a look at some...
Venus Technologies SW-3B QRP CW Transceiver Review
Looking at the Venus Technologies SW-3B QRP CW Transceiver for 20/30/40 meters. Dimensions: 104*71*25mm (excluding the protruding part such as...
Stellar x2 vs RE20 vs RE27ND Microphone Review
“We compare the Stellar x2 vs RE27 vs RE20 from Electrovoice. I was amazed with this Microphone and as...
Stay away from cheap coax
A viewer asks about some inexpensive coax they found online. Is it any good? We talk about that and...
XIEGU G106 – First Look at this New HF Transceiver
XIEGU G106 Xiegu keep themselves pretty busy developing cost effective QRP transceivers. This new model is a replacement for...
EVOLUTION PL-259 CONNECTORS
In this video I show you how to install the best PL-259 connector in the world! The Messi &...