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
HF Linear 2KW HF2015DX – Chinese
HF2015DX RF Linear amplifier coverd 1.8-30MHz amateur band , using Chinese FU728F ceramic tetrodes working at Class AB1 Input:30-40W output:2000W... Read more
DC9DZ: Project Tsunami 40K – Power Amplifier (PA) using 4CX15000AA
Data of DRESSLER Tsunami-40K RF Linear Amplifier Frequency bands all HF amateur bands 1.8 MHz to 29.7 MHz Power supply 3 power supply transformers 200... Read more
Micom 3F – 1.8 to 30MHz
The Micom-3F is a desktop, front panel, HF-SSB, DSP controlled radio, with embedded ALE. ALE JITC certified. It is fully compliant with FED-STD 1045 a... Read more
RTL-SDR BLOG V3 UNITS AND ANTENNAS BACK IN STOCK AT AMAZON
Just a note that our RTL-SDR Blog V3 units and antennas are now back in stock at Amazon.com with local US stock. There were a few manufacturing and sh... Read more
DSP Noise Cancelling Speakers
NOISE CANCELLING SPEAKERS The bhi DESKTOP 10 watt DSP noise cancelling base station speaker will work with most radios, transceivers, receivers, and S... Read more
VHF
Alinco Released a new radio Today – DJ-R200D
Alinco Corporation December 6, 2016, announced the latest model of the 420 / 440MHz band specified low-power handheld machine equipped with a super mu... Read more
Yaesu FTM-300DR C4FM Dual-Band
Yaesu FTM-300DR 50W C4FM/FM 144/430MHz Dual-Band Digital Mobile Transceiver The new FTM-300DR provides stable and reliable 50W RF power output. As in... Read more
Anytone AT-D878UV Dual Band DMR HT with APRS
Anytone AT-D878UV Dual Band DMR HT with APRS “Brand new from Anytone is the new AT-D878UV Dual Band DMR HT with APRS. This is the first r... Read more
Antenna
DxGlider52: Ultimate DX-Contest Tribander 18 elements ~ 52ft boom
18 elements ~ 52ft boom ~ Amazing! WA3FET has done it again! The aptly named DX Glider is the Ultimate Triband Yagi. No compromise monoband pe... Read more
HF 8 band Fan dipole multiband antenna 160-6 meters with Balun
HF 8 band Fan dipole multiband antenna 160-6 meters with Balun Product Description The 5 element fan dipole works very well at covering all the bands... Read more
The CDAA Antenna and the Wullenweber
A CDAA of which the Wullenweber is a type, consists of a group of omnidirectional antennas symmetrically spaced about the periphery of a circular ref... Read more
Four-square eight directions antenna system, with dummy load power indicator and high power
4SQ-8DIR antenna system The four-square phased-vertical array if used by many contesters and DXers for oreration on the low bands. This construction m... Read more
App - Mobile
iSDR for Iphone and Ipad
iSDR is a software defined radio application compatible with the iPhone®, iPod touch® and iPad™. iSDR is designed for experimenters, shortwave... Read more
New! RemoteHamRadio App
Hold a mega-station in the palm of your hand. Wherever you are, you can work DX and log it. Operate from our 18 unique stations to snag a new country,... 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
Tutorial – Using the new routing function in RT Systems featuring RFinder
Once again RFinder and RT Systems have partnered to kick radio programming up a notch. This tutorial will show you how to get the most o... Read more
GNU RADIO CODE FOR ANDROID NOW RELEASED
Supports the most recent version of GNU Radio (v3.8). Supports 32-bit and 64-bit ARM architectures (i.e., armeabi-v7a and arm64-v8a). Supports popular... Read more
Digital Modes
FT8 in UK and EU contests
Recently, the RSGB Contest Committee has seen some FT8 QSOs being claimed within contest logs. At present it is difficult to complete a full contest e... Read more
WSJT-X 2.0 – New 77-bit messages information update
“Hi all, Many of us have made many QSOs using the new 77-bit messages on 7.078 and 14.078 MHz. Overall the results have been good — but no... Read more
Quicker-Turnaround Digital Modes in Experimental Stage for WSJT-X Suite
Recent sporadic-E propagation openings on 6 meters and elsewhere have pointed up the need for a digital mode having faster turnaround time than curren... Read more
New Digital Mode FT-8 Ham Radio Digital Mode for the Fast & Furious!
Here’s a short demonstration on the new digital mode FT-8 developed by K1JT & K9AN. Part of the WSJT-X software suite. We’ll go over h... Read more
