General Amateur Radio Exam part 5. Volunteer Examiners, good operator practices. Reactance demonstration.
Antenna
Radio interference from Solar Panels – RFI
The radio amateurs have known for a long time that PV installations (solar panels) could interfere. For more than 10 years, the VERON has been warning... Read more
THE COKE LOOP Antenna by PY1AHD
“The Coke Loop is a Small Magnetic Loop Antenna tuned by a trombone-style variable capacitor made with standard soda cans. In Brazil we... Read more
![Antenna Fundamentals 1 Propagation [ Video ]](https://qrznow.com/wp-content/uploads/2016/06/d01645880bc21d293eab203a20ce8adf-190x122.jpg)
Jim W6LG Shows How He Connects 2 HF Antennas at the Same Time
JIm, W6LG shows how he recently used 2 off the shelf coax switches to connect 2 antennas to his transceiver at the same time. This simple solution rep... Read more
Equipment
Radio Incident Command Kit by N1RFD
What is my definition of a Communications Go-Kit? A Communications Go-Kit (or Radio-Ready-Kit) is made up of a portable “Amateur radio” st... Read more
CD-45II METERED ROTATOR W/FRICTION BRAKE 8.5 SF MT N TOWER
The CD-45II handles 8.5 sq. feet mounted inside a tower, or 5 sq. ft. with mast adapter. Low temperature grease good to -30 F degrees. Bell rotator de... Read more
Icom IC-7700 + QST Review
Icom IC-7700 110dB dynamic range and +40dBm 3rd order Intercept Point (IP3) The IP3 performance of a radio can be improved by sacrificing sensitivity,... Read more
KX3 Low-rider Radio Stand
Product Description KX3 Low-rider Radio Stand This lovely stand has been designed for KX3 owners who don’t have the Elecraft paddle and want a l... Read more
VHF
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
New Microwave, UHF Distance Records Set on Same Day
New distance records were set on 47 GHz and on 902 MHz on June 30 by stations at vastly separated points on the globe. On 47 GHz, US and Canadian oper... Read more
ID-51E PLUS2 Dual Band D-STAR Digital Transceiver launches in the UK
Icom’s latest generation of D-STAR handportable is now available. The ID-51E PLUS2 allows you to make digital voice and data calls through the worldwi... Read more
Amateur Radio Roundtable to Livestream 50 Hours of Dayton Hamvention®
Amateur Radio Roundtable and host Tom Medlin, W5KUB, will be back at Dayton Hamvention to livestream the activity and action before, during, and after... Read more
Review
“This week I’m reviewing the Openspot by Shark RF. No images to hunt down, It runs D-Star, DMR & Fusion all in one box. Don’t fo... Read more
Icom IC 7851 vs IC 7800 Local Oscillator C N Characteristics Comparison
Icom IC 7851 vs IC 7800 Video from Icom Inc. showing a local oscillator C/N characteristics comparison between Icom’s IC-7851 and IC-7800 HF/50/... Read more
Field Testing The MFJ Octopus Antenna | Did It survive the wind?
“This time, I’m out in the field (way out in the Arizona desert) Field testing the MFJ Octopus antenna. So how does it hold up in 60 MPH w... Read more
New DMR / DSTAR / Fusion / P25 Nano-Spot WIFI Digital Ham Hotspot
Here is a brand new device for your digital radio pleasure. The Nano-Spot from Micro-Node.com features all 4 modes, Wifi and a “set it and forge... Read more
Digital Modes
LoTW Now Accepting FT4 Contact
The latest TQSL update (Config.xml version 11.8), released on May 22, includes FT4 as a submode of MFSK. It also adds AISAT-1 and PO-101 in the satell... Read more
ADIF 3.1.0 was approved today
Dave Bernstein reported this on the DXLabs support group today: ————————————... Read more
FT4 vs FT8 – A new mode, what’s the difference?
The FT4 Protocol for Digital Contesting by K1JT Read more
New FT4 Mode with more 20K spots in few your hours realese
Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting The FT4 Protocol for Digital Contesting by K1J... Read more
FT4 Video presentation by K1JT
See More about New FT4 Here “At about 20 minutes into the presentation, Joe describes FT4 as being asynchronous, meaning that you can start tran... Read more
