Jim makes and then shows his tunable half wavelength dipole antenna. Using an antenna analyzer
Jim finds the resonant frequency and the lowest SWR 
Review
FT-8, The New HF/6m Digital Mode, Introduction For Beginners
Steve (K9AN) and I have developed a potential new mode for WSJT-X. We’re calling the mode “FT8” (Franke-Taylor design, 8-FSK modulation). FT8 is desi... Read more
External Mic and PTT for the Elecraft KX2 & KX3
Elecraft KX3 & KX2 are excellent radios for handheld portable HF operation. Elecraft KX2 is the better option for handheld portable HF operation,... Read more
Overview of the Kenwood TH-D74A
Kenwood TH-D74A 144/220/430 MHz TRIBANDER. Triband Amateur radio packed with convenient features and the advantage of a digital transceiver with D-STA... Read more
Ham College 34: Reactance Demonstrated
General Amateur Radio Exam part 5. Volunteer Examiners, good operator practices. Reactance demonstration. Read more
Equipment
Alpha 4040 DreamTuner
“In the last 45 days, we’ve made a lot of progress on the Alpha 4040 DreamTuner. As you know, when we tested the tuner under full... Read more
FLEX-1500 – Software Defined Radio
The Entry Level QRP Software Defined Radio and Ideal IF Deck for VHF-Microwave Operation The FLEX-1500™ is a low-cost, low-wattage SDR that is... Read more
SDR Control panel E-coder
SDR Control panel E-coder Product Description The E-coder Control Panel is designed to control a SunSDR2 transceiver or ColibriDDC receiver in... Read more
Anker’s massive 120,600mAh portable battery weighs 9 pounds
Most portable batteries pack a few thousand mAh of power into a pocket-sized package. Not this one. It’s an overgrown brute that boasts a ridiculous 1... Read more
Icom IC-R20 Receiver
Scan, Monitor, Record — The Pro’s Scanner 2 for 1, Dualwatch receive Until the Icom IC-R20, the capability of monitoring two frequ... Read more
New ! Yaesu FT-410
YAESU FT-410 features General Rx Frequency Range: 30 kHz – 30 MHz (operating) 160 – 10 m (specified performance, Amateur bands only) Tx Frequency Ra... Read more
VHF
Wouxun KG-D901 DMR realese 2016
WOUXUN have recently announced a new radio coming to market in Q1 2016 and this will be a DMR (Digital Mobile Radio) and also come complete with analo... Read more
Kenwood TH-F6A 144/220/440MHz
Kenwood TH-F6A 144/220/440MHz Finally, the Amateur Handheld that everyone has been waiting for, the New Kenwood TH-F6A. The TH-F6A is a 144/220/440 MH... Read more
50 MHz Contest allowed in DL
With an update of the original 2006 decree the contest ban has been temporalily lifted within the frequency band 50.08-51 MHz, so German amateurs may... Read more
Announcing the Tytera MD-9600 DMR Digital Mobile Radio!
Tytera shook the world of digital radio in 2015 with the introduction of the MD-380, a portable handheld capable of both DMR and analog operation at a... Read more
Talking through a satellite from 15 feet apart
“Andrew Knafel, KN8FEL saw my videos and through our correspondence I helped him learn how to operate satellites. He and his family live in Ohio... Read more
NEW Launch TYT DM-UVF10 DPMR Digital voiceWalkie Talkie VHF + UHF
TYT DM-UVF10 ,a dualdisplay, dual standby two-way radio,adopts high-technology and novel designDM-UVF10 adopts humanism design,making it smart... Read more
Digital Modes
New Summer EURAO Party to Premier FT4
The motto of the new European Radio Amateurs’ Organization (EURAO https://www.eurao.org/) Summer Party https://www.eurao.org/en/node/1045 is... Read more
World Wide Digi DX Contest
The World Wide Radio Operators Foundation (“WWROF”), in collaboration with the Slovenia Contest Club (“SCC”), is pleased to announce the first annual... Read more
![Antenna Polarization [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/07/AntennaPolarization-90x60.jpg)
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