Dave, K4DRA, wants to try a double dipole set up in order to get an omnidirectional dipole, but he has yet to understand the circular polarization that his set up will create. Dave here to explain…
Antenna
NEW PRODUCT – CHA SPIDER ASB
The CHA SPIDER ASB is an octagon-shaped Antenna Spoke Base designed to allow mounting of four dipole antennas that use the standard 3/8” x 24 stud ant... Read more
![Navassa 5 Elements [ K7AGE ] – : Part 9](https://qrznow.com/wp-content/uploads/2020/03/jka-navassa5_xl-265x168.jpg)
Navassa 5 Elements [ K7AGE ] – : Part 9
JK Navassa-5 2 Elements on 10M / 2 Element on 12M / 2 Elements on 15M / 2 Elements on 17M / 2 Elements on 20M / 12ft Boom JK Antennas Navassa-5... Read more
Introduction into Theory of Direction Finding
Introduction Applications of direction finding While direction finding for navigation purposes (referred to as cooperative direction finding) is becom... Read more
Introducing the SDA 2000 OptimizIR
“Today we’re incredibly excited to announce the launch of our first antenna optimization product: the SDA 2000 OptimizIR. This replaces your e... Read more
2/2 (4) element 7/10MHz Yagi (3.9m) Force12 Antennas
Force12 Antennas – A super-compact dualband 7/10MHz WARC band Yagi with single feedpoint The 4-LFAR-40/30, an Excellent super-compact Du... Read more
Review
Got Amplifier. Do I Need Bigger Coax?
Got Amplifier. Do I Need Bigger Coax? Read more
KB8O Demonstrates Receive 4-Square on 160m
Jay Pecora, KB8O from Elyria, OH demonstrates his DX Engineering Receive Four-Square system on 160 meters. Read more
Uses of Pre-Amp, Attenuation, Notch, Noise Blanker, Noise Reduction, and IP+ ?
Robert, W4RKM, has watched many videos on the funtions and capabilities of a rig, but he wants to know the differences and applications for the variou... Read more
Equipment
Preview (tr)uSDX Prototype – testing tiny onboard Speaker
Just to give you some impression of the OnBoard Audio. It will not be HiFi, but do the job, in case you forgot your headphones 😉 Driven only by AtMega... Read more
Elecraft KPA500 Compact 160-6 M Solid State Amplifier
500+ Watts in a compact package the size of the Elecraft K3. We are proud to introduce the KPA500: A 500-watt solid-state amp that inte... Read more
Elecraft KX3 GoBox
As I was contacted by a few HAMs where to get “my” box I would like to give you a little parts-overview. Unfortunately I`m not able to manufacture thi... Read more
Five-Watt SDR Transciever for Hams – RS-HFIQ 5W Software Defined Radio
The RS-HFIQ is a high performance Software Defined Radio (SDR) 5W Transceiver for CW, SSB, AM, FM and digital modes. Product Summary Not just another... Read more
Spiderbeam 26m fiberglass pole ( 85ft )
This pole is built very similar to our well proven 12m and 18m fiberglass poles, and carefully designed to maintain low weight and perfect bala... Read more
![Expert Linear 1.5-FA Solid State Amplifier [ Hamvention ]](https://qrznow.com/wp-content/uploads/2022/06/spe-90x60.png)
![Expert Linear 1.5-FA Solid State Amplifier [ Hamvention ]](https://qrznow.com/wp-content/uploads/2022/06/spe-180x120.png)
