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Antenna
20M LOADED DIPOLE – HALF A YAGI?
Here we take a look at building a short, loaded dipole for 20 Meters, 14 MHz. In fact, this is going to be half of a 2 element yagi for the 20M band. Read more
MFJ-1835 Cobweb assembly by two beginners
Danielle’s back!! This time she’s hosting the show and got a little help from her friends to put together an MFJ-1835 Cobweb antenna Read more
ARSCTL – a flexible web interface for your antenna rotators by DH1TW
Arsctl is a server side application which makes all your antenna rotators available on a network. Arsctl allows you to conveniently control your rotat... Read more
Cubical Quad Antenna JavaScript Calculator
JavaScript PROGRAM by N6ACH Ron vanVarden Sample: See More on Calculator Web Site: Link Photos – Click to enlarge ... Read more
VHF
New UHF ISS Digipeater!
“Recently, the old VHF Ericsson handheld used for the digipeater on the ISS died and it was replaced with an equivalent UHF one. This is my firs... Read more
Two Repeaters One Antenna Feed Line
“We had an opportunity recently to provide a unique duplexer system. The customer needed a single antenna feed line for two repeaters. This solu... Read more
Baofeng Tech: Mobile Radios
“We’re excited to unveil the UV-2501 and UV-5001 Dual Band Mobile Radios. We have spent the last several months refining our first... Read more
VHF Newsletter 83 – New VHF Handbook
The latest edition of the VHF Newsletter has been mailed to all on the VHF mailing list and can be found here. The new version of the VHF Handbook, 8.... Read more
Review
The TAK-Tenna Review – A Limited Space HF Antenna
“As you may know, a big percentage of this web site is dedicated to building antennas and not buying them, but sometimes an antenna comes along... Read more
Retired Librarian Who Was Maine’s First Woman Radio Amateur Turns 108
Mary Cousins, ex-W1GSC, who was the first woman in Maine to obtain an Amateur Radio license, celebrated her 108th birthday on September 20. Now a resi... Read more
CS-580 DMR Radio Review and a big announcement
CS-580 DMR Radio The CS580 is one of our most exciting new products that we have designed in the past 30 years. This DMR radio is designed specificall... Read more
RTL-SDR BLOG L-BAND Patch Antenna Version 2 – Inmarsat – Iridium – GPS
Here we take a look at the brand new L-Band Patch antenna from RTL-SDR Blog. This antenna is designed to work with Inmarsat, Iridium and GPS signals. Read more
Recent Posts
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App - Mobile
DX Alert App ( Mobile )
DX Alert App Instead of being connected to a DX cluster directly you can use DX Alert to monitor the cluster for you and get notifications on your pho... Read more
Morse code Ringtone Generator by M1RGZ
“This page converts text into a morse code ringtone playable on most mobile phones. If your phone can play ‘polyphonic’ or ‘po... Read more
Morse Intercom – APP
Features:i) Send Morse to, and receive Morse from, other users of the app. Restrict usage to your WiFi network, or allow full Internet connecti... Read more
N1KDO’s LoTW Look – Android
This application allows Amateur Radio Operators to browse and search their Logbook of the World (LOTW) QSL confirmations on their handheld de... Read more
SignalID – Automatic Radio Signal Identification for Android
There’s an incredible amount of radio signals. It’s impossible to know them all, let alone recognize them. So why not get help from Signal... Read more
Review
Yaesu FT-450D : Getting Started and Overview
Yaesu FT-450D Read more
First Impressions of the Icom IC-7300 HF + 6M Transceiver
Icom IC-7300 by AB4BJ “I have been having a great time at Orlando Hamcation that this year features the ARRL National Convention. One of the hi... Read more
What makes a good portable CW paddle?
Richard G3CWI of SOTABEAMS has released a 3 minute video looking at the differences between a paddle designed for portable use and a fixed-station pad... Read more
COMPLETE IC-7851 TEST REPORT NOW ON-LINE BY ADAM, VA7OJ/AB4OJ
IC-7851 Test Report for IC-7851 July 1 and September 21-22, 2015 by Adam Farson VA7OJ/AB4OJ (Iss. 2) The following are the results obtained from lab t... Read more
Review of MFJ’s New Xiegu X5105 HF QRP Deluxo
Review of MFJ’s newest radio. MFJ is the sole importer of the new Xiegu X5105 160m-6m QRP SSB/CW/AM/FM radio with built in rechargeable battery... Read more
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