VHF Repeater
“Collin, K0NNK, is having some trouble with is antenna and a nearby repeater. He hit a 2 meter repeater full quieting but the repeater feedback was very fuzzy. His question is how big of an impact does receiving sensitivity have on receiving.”
Amateur Radio Repeaters
https://www.repeaterbook.com/repeaters/
Review
HAARP 2 Meter Antenna Review By M0OGY
“Welcome to my exclusive look at the new HAARP two meter antenna designed and built in North Lincolnshire by Phil Simpson M0PXS. Whilst the name... Read more
Grounding the Computer
Rob, WD4IFT, is installing a new ham shack and wants to know how he should ground the computer. Dave here to help explain what he suggests… Read more
Ordering the PTRX-7300 SDR Tap Point for the IC-7300
At last! A large screen panadapter for your IC-7300! Radio Analog PTRX-7300 IF Interface Modules provide an innovative method to sample filtered recei... Read more
RM Italy MLA100 Amplifier Demonstration
“Mark, W8BBQ show the RM Italy MLA100 amplifier to get over 100 watts from a QRP rig. 160 meters through 10 meters plus 6 meters. Allows you to... Read more
Shortwave Listening with your HF Transceiver
Shortwave Listening with your HF Transceiver Read more
Equipment
SKY-221 SDR HF 160 -10m Transceiver
SKY-221 SDR HF 160 -10m Transceiver With Built-in ADC / DAC For SSB/CW/DIGI/AM/FM 10 Watts SKY-221/V21 / is designed based on SKY-209 with built i... 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
RS-918SSB HF SDR Transceiver
Spectrum Dynamic Waterfall Display Multiple Working Modes: Receive Mode, Transmit Mode, TUNE Mode, VFO Mode, SPLIT Mode DSP Digital Signal Processing... Read more
BUILD A COMPUTER TO CW INTERFACE
Using a well-known circuit, I show you how to build a simple computer interface so that your logging software can send CW through your radio. The logg... Read more
METROPWR FX775 – VECTOR POWER/SWR METER
METROPWR FX775, is a modern VECTOR POWER/SWR METER completely digital. It’s composed of a wattmeter and a power coupler for measurements up to 3/5kW. ... Read more
Antenna
CX-AUTO Switch – Kessler Engineering, LLC
he CX-AUTO was designed to satisfy the many requests from AT-AUTO owners for additional coaxial outputs. It does that quite well and more! The CX-AUTO... Read more
The PackTenna Mini 9:1 Random Wire Antenna Antenna
http://www.packtenna.com Read more
Build an HF long wire balloon antenna
“We made a long wire vertical antenna suspended from a helium balloon over the river, at 25 watts and an MFJ 993b autotuner to tune it on 40 met... Read more
The Yagi-Uda Antenna
A Yagi-Uda antenna, commonly known simply as a Yagi antenna, is a directional antenna consisting of multiple parallel dipole elements in a line,[1] us... Read more
Attaching Coax to a Dipole
Gordon, KO4OCO, in reference to Dave’s 40 meter dipole video, he asks how the actual connection between the coupler and the antenna wire was mad... Read more
App - Mobile
RFinder – The World Wide Repeater Directory now free trial on Android!
In order to support the proliferation of third party app stores worldwide, we have now released RFinder on Android as trialware! Just go download it f... Read more
Every Ham Needs This App | HamAlert
Never miss a station you are trying to work again with the HamAlert App. This app is a companion to the HamAlert web site (hamalert.org) and lets you... Read more
Wizkers:Radio APP
Wizkers:Radio is a controller for various Amateur Radio equipments. At the moment, it supports several Elecraft radios and amplifiers, as well as the... Read more
EchoLink for iOS version 2.6.14 is now available
EchoLink for iOS version 2.6.14 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS devices.... Read more
New ARRL Repeater Directory Will Leverage Crowdsourcing Technology
ARRL partner RFinder, the creator of a web and app-based directory of Amateur Radio repeaters worldwide, will supply all data for the 2017-2018 ARRL R... Read more
