In response to an Oggie question, we talk about radials for vertical antennas.
Antenna
Triband end-fed half wave antenna for portable use
Describing and demonstrating an end-fed multiband antenna for portable use. It’s a full-sized half wave on 20 metres and a loaded half wave on 4... Read more
RCS-12 Automatic Remote Antenna Switch
The RCS-12 is an automatic remote antenna switch. It reads information from the transceiver and selects the pre-programmed antenna autom... 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
Yaesu Antenna Rotators G 450A
G-450A Specifications Power Supply Voltage: 117 VAC, 50-60 Hz Power Supply Current Consumption: 0.5 Amps Rotor Voltage: 24 VAC Cable Conductors... Read more
C3S-JK – 2 Elements on 20M / 2 Elements on 15M / 2 Elements on 10M / 12 Foot Boom
The C3S-JK (Tribander) has been re-designed, optimized & Improved from the very popular Force 12 Tribander Here are the important changes/features... Read more
Review
Wouxun KG-D2000 DMR HT Radio
Wouxun KG-D2000 DMR HT Radio “The second model of DMR HT from Wouxun is dubbed the KG-D2000. Still a monoband UHF radio (VHF version might also... Read more
How Your Radio’s Final Amp Class Affects Efficiency
An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A,... Read more
Equipment
R2T2 – multiuser SDR transceiver with WEB interface
The R2T2 is a complete SDR transceiver which by its construction to date reflects the art and through his extensive peripherals and modular structure... Read more
Hi-Z Antennas Shack Switch 2 SS2
Hi-Z Antennas Shack Switch 2 is a modern array direction selection console with an easy to use, large manually operated knob with a continuous rotatio... Read more
12×4 modular Antenna switch KIT
Main functions: Always used one same – three to one – module. Put together up to four module expand up to 12 inputs. Available add same mo... Read more
FlexRadio Comparison
FlexRadio Comparison Radio Model FLEX-6400 FLEX-6400M FLEX-6600 FLEX-6600M FLEX-6700 MSRP $ 1999 $ 2999 $ 3999 $ 49... Read more
News
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the Milky... Read more
TRI BAND TRANSCEIVER – RS-UV3A
The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeater... Read more
ARRL Continues Its Efforts to Preserve Amateur Radio Secondary Use of the 3 GHz Band
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subc... Read more
![Why Ham Radio [ ARRL Video ]](https://qrznow.com/wp-content/uploads/2021/10/hq720-1-265x168.jpg)
Why Ham Radio [ ARRL Video ]
Josh Nass, KI6NAZ, of @Ham Radio Crash Course talks about what ham radio is, and answers the question…. “Why Ham Radio?” Read more
High Speed Telegraphy 2021 in Montenegro
September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro. The event was organized by MARP (Montenegrin Amateur... Read more
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-90x60.jpg)
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-180x120.jpg)