Sam, R7AB has one of the largest antenna systems for HF in the world. Here is a video fly-by showing just part of that site. You will be amazed at what is there
Review
ASSEMBLY “N” CONNECTOR FOR ULTRAFLEX 13 MKII 720p
“N” type connector assembly instructions Read more
Introducing the new ICOM 9700
ICOM 9700 Built with the VHF/UHF weak signal operator in mind, the IC-9700 is an RF direct sampling receiver for 2m and 70cm. The IF receiver consists... Read more
Antennas for Portable Amateur / Ham Radio Operation – ICQ Podcast Episode 276
“In this episode, Martin M1MRB is joined by Leslie G0CIB, Edmund M0MNG, Matthew M0NJX and Bill N3JIX to discuss the latest Amateur / Ham Radio n... Read more
Ferrite Beads, Common Mode Chokes, RFI by W6LG
“Ferrite Beads can be magical in what they do at a ham radio station. One website that has lots of information and even tutorials is Palomar-Eng... Read more
Equipment
![Adding an Amplifier to your Station [ PodCast ] – ARRL The Doctor is In](https://qrznow.com/wp-content/uploads/2018/03/maxresdefault-3-190x122.jpg)
Adding an Amplifier to your Station [ PodCast ] – ARRL The Doctor is In
Adding an amp is not as straightforward as it sounds. There is much to consider, including AC power. Read more
Introducing QCX-mini 5W CW transceiver!
The miniature version of our popular QCX 5W CW transceiver, with special portable-friendly features for SOTA and other portable operators: – Sma... Read more
TS-890S – Kenwood
The most rewarding results often take place when faced with the harshest and most challenging conditions.There are enthusiasts who know this all too w... Read more
TEN-TEC Model 539 Argonaut VI QRP 1-10 Watt Transceiver
TEN-TEC has created another legend within the new 539 Argonaut VI. This NEW QRP transceiver incorporates the use of TEN-TEC’s ASR design philoso... Read more
MTR3b_LCD Mountain Topper
Mountain Topper MTR3B_LCD Launching 10/1/18 – Please note we will have an initial release of 50 units on a first come, first serve basis. There... Read more
Antenna
How High should my Dipole Antenna be?
Dipole Antennas – the Effect of Height Above Ground I frequently hear the question: how high should my dipole be? Or alternatively, will my dipo... Read more
Can Adding a Metal Mast Disrupt an Antenna?
“Stacy Pharis, KI5MIT, has a homebrew antenna very similar in concept to the DX Commander, all held up by a tree. She wants to know if using a m... Read more
What is an Octopus Antenna?
This is another question from Charles. What is an Octopus Antenna? Read more
M2 DRIVEN ELEMENT SCHEMATIC & TROUBLE SHOOTING
To check internal driven element block connections, remove balun, shorting bars, and feed coax/ phasing line. Test Steps: 1.Continuity: between block... Read more
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer.
Testing My Mini 64:1 Half-Wave End-Fed Antenna Transformer. Read more
App - Mobile
Morse Decoder for Android Smartphones and Tablets
Morse Decoder decodes Morse code characters through the built-in microphone of your Android device. Morse Decoder can be used by Ham Radio operators o... Read more
HamSphere 4.0 Mobile APP
HamSphere 4.0 Mobile is a virtual portable Ham Radio transceiver for Shortwave, VHF and UHF bands. Talk with thousands of Ham Radio operators around t... Read more
New iOS App Available for The ARRL Repeater Directory ®
The ARRL Repeater Directory ® — introduced this week for 2015-2016 — has a newly launched companion app for Apple® iOS® devices. iPhone®, iPad®... Read more
SmartSDR for iOS v3.4.01 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v3.4.01 is now available for download or update from the Apple App Store. This App require... Read more
iWSPR TX – WSPR for iOS version 3.1
iWSPR WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Normal transmissions carry a sta... Read more
Digital Modes
VarAC – HF/FM Digital Chat Reinvented
VarAC What is VarAC? VarAC is a FREE, modern HF P2P real-time chatting application for the amateur radio operator that leverages the gloriou... Read more
The Ultimate Portable Ham Radio Computer
Hello Operators. In this episode of the OH8STN ham radio, we are discussing replacing the raspberry pi field computer build, with the Microsoft Surfac... Read more
Get Started with FT8 – An Introduction for Beginners
FT8 is a mode in the WSJT-X software developed by Dr Joe Taylor K1JT. In this video I show how to get started and make contacts with FT8, introduction... Read more
WSJT-X Version 2.5.1 has been Released
The WSJT-X development team has announced the general availability release of WSJT-X version 2.5.1. This release mainly contains i... Read more
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
