Description Overview It will be 5 elements twin loop antenna of amateur radio 1200Mhz band for mobile. Decomposed and we try to carry. Connector will be the SMA connector. Element is also assembled easily at the time of the movement are adapted to fasten with screws by hand to the boom. It is supposed to […] Read more
![40M UltraLight QRP magnetic loop antenna + TEST [ XIEGU X5105 ]](https://qrznow.com/wp-content/uploads/2019/02/maxresdefault-1-1-610x380.jpg)
“In this video I want to show you the 40M band UltraLight Magnetic Loop Antenna, how to setup it and testing in the real QRP conditions. During this test was running a Black Sea Contest so the 40M band was very crowded and full of QRM – the best conditions to hard test this small […] Read more
HF Mobile Antenna Covers 80-6 Meters with 4 1/2 foot mobile or 10 foot fixed operation telescoping whip. Continuously adjustable loading coil is 36 inches long by 2 inches in diameter and weighs 2.6 pounds. $ 179.95 Each MFJ 1668 MOBILE SCREWDRIVER ANTENNA Introduction The MFJ-1668 manually tuned screwdriver antenna was designed for continuous operation from […] Read more
Ring rotor for trellis up to 52cm on the side. It can be mounted anywhere on the truss. The whole structure is made of laser-cut AISI316 stainless steel, including gears, wheels and bearings. The antenna holder plate is in ERGAL. Soft start and soft stop with programmable ramp speed. Weight = about 34 kg Max […] Read more
These directional antennas may look like Yagis, but they are quite different. The Doctor explains! Read more
“I made this doublet connector from a piece of 6mm Nylon 66 I had knocking about. Seems easy enough. I just hope the 450 ohm behaves itself and doesn’t snap. I feel that the connection point is strong, it certainly won’t break and the 450 ohm cable should keep it pointing downwards, reducing sideways wibble-wobble. […] Read more
The antenna has a 50-ohm designed driver. The Yagi has a unique element called a ‘Open Sleeve’ which is a director very close to the driven element. The driven element is sized for 2M. When operating on 70cm the ‘Open Sleeve’ acts as part of the driven element on 70cm (Third harmonic of 2M). The original concept […] Read more
![Ground Plane Antennas [ “ARRL The Doctor is In” podcast ]](https://qrznow.com/wp-content/uploads/2018/12/a-ground-plane-antenna-for-noaa-weather-stations-610x380.jpg)
Ground Plane Antennas “Ground Plane Antennas” is the topic of the new (December 20) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like! Every 2 […] Read more
Electromagnetics, the W8JK Antenna, and the “Wow!” Signal Or, “My friend, the Ohio State Professor, Dr John Kraus, W8JK” Bob HoufK7ZB Antenna enthusiasts will recognize the call sign W8JK as the inventor of the classic array known as the W8JK flat-top beam. The antenna has unique characteristics that make it popular today and the interested ham can […] Read more
Cushcraft A3S Three Element Beam – 10, 15 & 20 Meters A3 World Ranger, our top selling tribander, has become the A3S with all stainless steel hardware. It’s a real power-house in a small space and lets you work the pile-ups with confidence. All you need is a lightweight tower and rotator to enjoy the […] Read more
![Are We Entering a Maunder Minimum? [PODCAST]](https://qrznow.com/wp-content/uploads/2019/02/solar-cycle-sunspot-number-265x168.gif)
