The winning article for the December 2017 QST Cover Plaque award is “Upper Level Lows and 6-Meter Sporadic E” by Joe Dzekevich, K1YOW. The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast a ballot for your favorite article in the January issue today.
Equipment
![MFJ Antenna Switches [ Video ]](https://qrznow.com/wp-content/uploads/2016/11/mfj-190x122.jpg)
MFJ Antenna Switches [ Video ]
MFJ Antenna Swiches MFJ-1702C MFJ-2702 MFJ-2703 MFJ-2704 MFJ-1701 MFJ-1703 MFJ-1700C Read more
1:1 Current balun Dual core 1500 watts RTTY, 5KW ICAS
1:1 dual core current balun Constructed using dual 240/31 cores. Stainless steel hardware. 1-61MHZ With dual cores you get great frequency range, equ... Read more
Belka-DSP radio receive
The Belka-DSP radio receiver is designed to receive radio stations with amplitude, frequency and single-band modulation, as well as telegraph signals... Read more
MRF101AN: 100 W CW over 1.8-250 MHz, 50 V Wideband RF Power LDMOS Transistor
These devices, MRF101AN and MRF101BN, are designed for use in HF and VHF communications, industrial, scientific and medical (ISM) and broadcast and ae... Read more
PANADAPTER For Any Radio DC – 160 MHz SDR Antenna Switch
PANADAPTER For Any Radio DC – 160 MHz SDR Antenna Switch Read more
VHF
IC-R30 Communications Receiver (Handheld)
IC-R30 Communications Receiver (Handheld) After an online teaser campaign featuring silhouettes of mystery radio models, the secret is out and Icom In... Read more
ICOM IC-SAT100
Icom’s IC-SAT100 allows users around the world to communicate with a group of PTT radios at the push of a button. To do this, the IC-SAT100 utilizes I... Read more
Baofeng For Dummies: UV5R+ HAM Radio Tutorial
Baofeng Watch in HD! Today I show you how I use my HAM radios to listen in to local police, fire and EMS. Also handy for receiving weather radio and t... 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
432 MHz EME with a small antenna
432 MHz EME with a small antenna by Andreas Haefner, DJ3JJ A lot of people would like to do EME but think they need a big antenna for this.... Read more
Antenna
An Unusual Jpole Antenna
An Unusual Jpole Antenna Read more
RQ-84 – The classic “Quad” full-size has ten elements for 10m, eight – 15 m, six – 20 m, and four full-size elements on 40m band
RQ-84 – the classic “Quad” full-size has ten elements for 10m, eight – 15 m, six – 20 m, and four full-size elements on... Read more
Moonraker Ltd Whizz Loops 13-428
Moonraker Ltd Whizz Loops are compact QRP portable loops that are perfect for attaching directly to your ft-817 or other QRP transceiver. These nifty,... Read more
100 ft Tilting Tower
Raising a 100 ft tower with a winch on a 35 ft pole. Read more
New InnovAntennas Quads
NEW FOR 2018! Following on from our successful LFA-Q compact quads, we are adding a more traditional looking quad to our range which boasts two of the... Read more
App - Mobile
EchoLink App for IOS8
Description Please note: This app is for licensed Amateur Radio operators only. See www.echolink.org for more information. EchoLink for iOS provides a... Read more
Remote Vacuum Relay Switch, RK-314
Features The RK-3xx series of switches uses vacuum relays. It is designed to switch coaxial lines in RF systems operating up to 5 kW continuous... 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
RFinder – The World Wide Repeater Directory now has Jamming Reports!
RFinder now includes the ability to make jamming reports. This is already available in RFinder Android and should be available on iOS devices by Dayto... Read more
SDR Touch demo on Android device using SDRplay RSP
This demonstrates turning an Android Tablet (or Android Phone) into a highly portable comms receiver or spectrum analyzer operating from Long Wave to... Read more
Digital Modes
Video Demonstrates Digital Voice Plus Video “Teleconferencing” Scheme for HF
Rick Peterson, WA6NUT, in Colorado, is promoting FreeDV plus Video, a digital voice-plus-video application for HF. According to Peterson’s QRZ.com pro... Read more
Reminder: FT8 “DXpedition Mode” Test Set for March 6
The WSJT Development Group will conduct a field test of the new FT8 “DXpedition Mode” this evening, March 6 (in North American time zones). FT8 DXpedi... Read more
Ham Radio HF Digital Modes: Hellschreiber, Feld Hell Tutorial
“Are you tired of PSK31? Are you sick of FT8? Is RTTY just a bunch of contesting anymore? At last, I finally finished this video and started ano... Read more
A New Spin on JT Alert HRD Logbook and WSJT X
WSJT-X for rig control. There’s no need for HRD rig control to be running. Just HRD Logbook, WSJT-X and JT Alert. Read more
FT8CALL – The NEWEST HF Digital Mode, Introduction and Demo
FT8CALL “FT8, as we know, has dominated the airwaves for over a year now. Imagine the ability to have keyboard to keyboard ragchew, with... Read more
