Designed and built by Dennis, KI6AIX. This Mobile Comm Center features VHF
VHF
Alinco has just announced a New 144/440MHz Mobile
Alinco DR-735T Dual-Band 2M/440 Mobile Transceiver TX: 144-147.995 and 430-449.995 MHz RX: 108-173.995 and 400-479.995MHz + Air 1000 memories. Output:... Read more
Building a Complete Ham Radio Repeater
Ham Radio Repeater “The complete construction process of a 440MHz UHF Amateur Radio Repeater that was setup on top of our school here at New Mex... Read more
Super Gain HT Antenna By Diamond, SRH770S Dual Band
“If you are in the market for a high gain HT antenna for those fringe areas, this may be for you. The Diamond SRH770s is very flexible for porta... Read more
Tytera TYT TH-8600 Dual Band Mini Mobile Two Way Radio
The TH-8600 is a powerful dual band, dual display and dual standby transceiver with 20 watts of power on 400-470MHz UHF and up to 25 watts on 136-174M... Read more
BTECH DMR-6X2 Digital (DMR) & Analog Two-Way Radio (with GPS and Recording)
The BTECH DMR-6X2 is the most versatile dual-band DMR radio available. Designed for both amateur and commercial usage with its large, bright 1.77... Read more
Equipment
![Commradio CR-1a Receiver [ Video ]](https://qrznow.com/wp-content/uploads/2019/06/514572dc3c9d4dc202a2b97334170b1e-190x122.jpeg)
1 KW SSPA for 1.8-54 MHz
It’s been a while since I built an amp for HF; I’d have to go back to the 60’s and a pair of the venerable 3-500z tubes that I put t... Read more
Hilberling HPA-8000B-54 Power Amplifier
HPA-8000B-54 1kW Out Linear Amplifier 1.8 … 54 MHz Amateur Radio Bands 160 / 80 / 40 / 30 / 20 17 / 15 / 12 / 10 / 6 m All-Mode AM / FM / SSB /... Read more
Coax Cable Stripping Tools
Coax Cable Stripping Tools DX Engineering DXE-UT-8213LR Coax Cable Stripping Tools have been designed to properly prepare coaxial cable for use... Read more
RigExpert Stick 60kHz – 35MHz Analyzer
RigExpert Stick 60kHz – 35MHz Analyzer | State-of-the-Art Antenna & Cable Analyzer Key Features: Frequency range: 0.06 to 35 MHz, upgradable... Read more
Antenna
Yagi Ultrabeam 6-10-12-15-17-20-30 and 40M UB640 – VL1-3
UB640 – VL1-3 Â Frequency range : 7 – 50 Mhz (50 Mhz it requires kit optional) 3 elements yagi : 6-10-12-15-17-20 meters 1 elements dipole... Read more
Arduino Mega2560 based Antenna Rotator Controller
by Vinod Es “Well after a long time I am back with a new project ! This is an attempt to build an Antenna rotator controller using Arduino Mega... Read more
G3TXQ 6 Band Hexbeam 40m single element add on kit
G3TXQ 6 Band Hexbeam 40m single element add on kit Some of you may remember the 7 band Hexbeam that was in production a few years ago. Due to the comp... Read more
New log periodic array from InnovAntennas with parasitic element enhancement
100MHz to 750MHz Log Periodic Array Description InnovAntennas design and build Log Periodic Arrays for any bandwidth and for any purpose. Our LPDA... Read more
SteppIR UrbanBeam and SDA 2000 – full review (HF antenna)
SteppIR UrbanBeam “This is a full review of the SteppIR UrbanBeam (multiband HF antenna) with the SDA 2000 controller (OptimizIR). It’s part 3 o... Read more
App - Mobile
RFinder – The World Wide Repeater Directory now free trial on Android!
In order to support the proliferation of third party app stores worldwide, we have now released RFinder on Android as trialware! Just go download it f... Read more
New APP for digital QST
Apple has released a new app for digital QST (version 5.1) readers that use that platform. A long-standing problem involved the inability of some Appl... Read more
HF Beam Antenna Calculator for Iphone and Ipad
 Antenna Calculator The Maidenhead & HF Beam Antenna is a useful utility to calculate the the Maidenhead LOCATION as well as HF Elements’ s... Read more
New ARRL Repeater Directory Will Leverage Crowdsourcing Technology
ARRL partner RFinder, the creator of a web and app-based directory of Amateur Radio repeaters worldwide, will supply all data for the 2017-2018 ARRL R... Read more
A New App Visualizes the Radio Waves All Around Us
Radio Waves The modern world is awash in a sea of radio waves — currents of electromagnetic radiation upon which our digital lives depend. What if you... Read more
