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
YAESU FT-8900R
YAESU FT-8900R 29/50/144/430 MHz FM Transceiver The FT-8900R is a ruggedly-built, high quality Quad Band FM transceiver providing 50 Watts of power ou... Read more
Ultra portable antenna tower for ham radio 34′
Ultra portable antenna tower Collapsible portable antenna tower. For ham radio, cellular, light, camera, satellite, radio communications etc. FOR SALE... Read more
Ameritron ATR-20 Antenna Tuners ATR-20
Ameritron ATR-20 Antenna Tuners are versatile, high-power antenna tuners. The ATR-20’s roller inductor “T” matching network continuo... Read more
![IC-R30 Communications Receiver [ Video ] HamFair](https://qrznow.com/wp-content/uploads/2017/09/ic30-190x122.jpg)
IC-R30 Communications Receiver [ Video ] HamFair
IC-R30 Communications Receiver (Handheld) The IC-R30 is the successor to the popular IC-R20 compact handheld receiver. The IC-R30 can listen to two si... Read more
XR44COPA – Copa América 2015
XR44COPA – Copa América 2015 Special Call celebrationof Copa América Chile 2015 Team Chilean Pacific Dx Group worked : XR44COPA 2015 CE3MMT -CE3... Read more
VHF
Alinco DR-635T Mobile / Base VHF / UHF
Alinco DR-635T Mobile/Base VHF/UHF Transceivers feature full-duplex operation and an expanded-range receiver. DR-635T Dual-Band Transceivers de... Read more
Retevis RT87 is Real IP67 Dustproof and Waterproof Two Way Radio
Retevis RT87 Main feature： lIP67 dustproof and waterproof Dual band (VHF&UHF) 128 channel,25FM radio channel FM radio VOX function Scan function R... Read more
Anytone TERMN-8R Dual Band (VHF/UHF) Analog Portable Two-Way Radio
Anytone TERMN-8R THE FIRST RADIO FOR AMATEUR, COMMERCIAL, AND PUBLIC USEThe most versatile two way radio on the market, certified for use for commerci... Read more
Digital Mobile Radio Hotspots May Be Interfering with Satellite Uplinks, AMSAT Reports
This week, AMSAT News Service (ANS) cited an August 27 report from AMSAT Vice President-Operations Drew Glasbrenner, KO4MA, saying that a digital mobi... Read more
ROIP-102 Radio Repeater or Radio Trunking SIP Gateway Full PTT control (IETF SIP V2)
What is a Cross-Network Gateway? It enables voice communications among the Radio, VoIP, and Public Announce (PA) networks. It incorporates Radio over... Read more
Antenna
Vertical Dipole Bravo 7K – 7 band coverage: 40-30-20-17-15-12-10
Vertical Dipole Bravo 7K 7 band coverage: 40-30-20-17-15-12-10 manual tune 20-17-15-12-10 meters are full size setting tubing lengths High Q... Read more
OB12-6 12 Element Yagi 40-20-17-15-12-10m – Optibeam
Unique in the world: 6 bands – no traps – 1 feedline – no tuning – perfect performance The new version of the OB12-6,... Read more
Yagi Antenna GXP-7 (7 elements 5 bands)
Resonant frequency [Resonance frequency]: 28, 21, 14 MHz Frequency [Frequency]: 24, 18 MHz Logoperiodic Number of elements [Number of elements]... Read more
A Portable 75/40* Meter NVIS Antenna
by David B. Murray, KD1BL Background: While taking the Level II Emergency Communications Course, my mentor, Ron Kane (AD6KV) presented information on... Read more
All-Band 80-10 Meter End-Fed Half-wave Antennas – MFJ 1982,1984
Cover all HF bands with one single wire and no tuner! to ensure great performance in a wide range of operating conditions. End-fed horizontal wire, an... Read more
App - Mobile
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
Amateur Radio Ringtone from NASA
Download NASA Sounds Here’s a collection of NASA sounds from historic spaceflights and current missions. You can hear the roar of a space shuttl... Read more
MacLoggerDX HD for iPad
MacLoggerDX HD is an Amateur Radio application that monitors the spots from your favourite DX Cluster for DXing, Contesting or casual rag-chewing. It... Read more
SmartSDR for iOS v2.6.2 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v2.6.2 is now available for download or update from the Apple App Store. This App requires... Read more
Ham GeoTool APP
A tool all-in-one for the radio amateur in Portugal and Spain created for personal use but at the last JOTA / JOTI, was released at the request of som... Read more
Digital Modes
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
New Digital Modes Changing Complexion of Bands and Perhaps of Ham Radio
The wave of software-based digital modes over the past several years has altered the atmosphere of the HF bands. Some suggest the popularity of modes... Read more
Goodbye FT8, Hello Olivia, The Magic HF Digital Mode
“So many people have started using FT-8 on HF, but they leave all the other modes to die off, like Olivia. Olivia isn’t new, but it offers... Read more
JT65 ‐HF Operator’s Guide
JT65 An introduction to JT65: A weak‐signal high frequency digital mode WSJT modes of di it l digital communi ti ca on were ori i ll g na y dl d eve o... Read more
PSK Automatic Propagation Reporter
This started out as a project to automatically gather reception records of PSK activity and then make those records available in near realtime to inte... Read more
