Ham Radio Mast System
Antenna
Ground Plane Antennas [ “ARRL The Doctor is In” podcast ]
Ground Plane Antennas “Ground Plane Antennas” is the topic of the new (December 20) episode of the “ARRL The Doctor is In” podcast. Listen…and l... Read more
Vehicular HF Antenna Base 1.8 – 54MHz
The CHA HYBRID Base is designed to enhance the capabilities of the common HF radio application by allowing faster tuning operation across the HF bands... Read more
MFJ 8-Band Cobweb VS Hy-Gain AV680 Comparison
“So many people asked which antenna would I rather have and which one performs better. Well, this is a basic comparison on a day not so g... Read more
JK Antennas JK65 6 Meter Yagi
6 Meter Yagi Want to be heard on 6? JK Antennas JK65 6-Meter Yagi Antennas give you tremendous VHF performance with very high gain on a... Read more
Review
Grounding Tips – DX Engineerings Q&A Wednesday – Part 1
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History of Digital Modes
“Here’s a talk I gave for a San Jose-area ham club via Zoom. This talk is recreated from the charts. Join me for a pleasant 45 minutes (or... Read more
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
Simple SWR Indicator for QRP
Simple SWR Indicator for QRP, just a ferrite, a wire and a LED. Read more
Eliminate Interference with the MFJ-1026 Noise Canceller
Wipe out noise and interference before it gets into your receiver with a 60 dB null! Eliminate all types of noise — severe power line noise from... Read more
Equipment
Kenwood ProTalk LT PKT-23 Pocket-Sized Business Two Way Radio
Now you can have a powerful Kenwood ProTalk that fits in the palm of your hand! The Kenwood ProTalk LT PKT-23 two way radio is both easy to carry and... Read more
NanoVNA SAA2 Version 2 Vector Network Analyzer – Ham Radio Antenna Analyzer
NanoVNA SAA2 Version 2 Vector Network Analyzer – Ham Radio Antenna Analyzer Read more
2-way RX splitter
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads. Like all... Read more
Wideband RF Switch (5 – 3000 MHz)
Photo: Aditya Mukherjee In an application it was required to use 6 different antennas at 6 nearby locations one at a time as the Bluetooth/WiFi antenn... Read more
News
National Science Foundation Funds Creation of Research Lab at Alaska’s HAARP
A 5-year, $9.3 million National Science Foundation (NSF) grant will allow the University of Alaska Fairbanks (UAF) Geophysical Institute to establish... Read more
St. Vincent Radio Amateurs on Alert During Volcano Emergency
Donald de Riggs, J88CD, on the Caribbean island of St. Vincent, says that on April 13, the 42nd anniversary of the 1979 eruption of the La Soufriere v... Read more
Can You Cook A Hotdog With Ham Radio?
“I’ve always been facinated by the physical affects of RF. Today, a light experiment testing if can cook hotdogs with RF. The test incorpo... Read more
Updated Radio Frequency Exposure Rules Become Effective on May 3
The FCC has announced that rule changes detailed in a lengthy 2019 Report and Order governing RF exposure standards go into effect on May 3, 2021. The... Read more
March 2021 Volunteer Monitor Program Report
The Volunteer Monitor (VM) Program is a joint initiative between ARRL and the FCC to enhance compliance in the Amateur Radio Service. This is the Marc... Read more