Review
![IC-7300 [ Downloads ] Instruction Manual and Brochure](https://qrznow.com/wp-content/uploads/2016/09/ic7300_8-190x122.jpg)
IC-7300 [ Downloads ] Instruction Manual and Brochure
IC-7300 Video Review IC 7300 Download´s Read more
ARRL’s The Doctor is In – Zero Beating
The Doctor explains “zero beating.” It isn’t just about CW. Read more
Vacuum Tubes – “ARRL The Doctor is In” podcast. Listen…and learn!
“Vacuum Tubes” is the topic of the current (February 15) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! More than a half-mill... Read more
![Remote Antenna Tuners [PodCast] – “ARRL The Doctor is In”](https://qrznow.com/wp-content/uploads/2017/03/hf-auto-open-l-190x122.jpg)
Remote Antenna Tuners [PodCast] – “ARRL The Doctor is In”
“Remote Antenna Tuners” is the topic of the just-released episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Read more
Customizing the Ailunce HD1
Ailunce HD1 Ailunce HD1 Dual Band DMR Digital DCDM TDMA Waterproof Two Way Radio Description: HD1 dual band digital radio uses Digital Mobile... 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
Antenna
BIG SIGNAL 6BS-70 – 432 MHz
Specifications: Band: 432 MHz. Active elements: 6. Gain: 12.6 dBi. F / B: 23.00 dB. · Polarization: Horizontal or Vertical · SWR: 1.1: 1 ~ 1.5:... Read more
SteppIR UrbanBeam / SDA 2000 OptimizIR / Unboxing + Parts Checklist
“This is the part 1 of a video series about the SteppIR UrbanBeam with the SDA 2000 OptimizIR Controller. In this video I do the unboxing and pa... Read more
Jim W6LG Uses A Short Dipole To Demonstrate How A Dipole Functions
Jim makes and then shows his tunable half wavelength dipole antenna. Using an antenna analyzer, Jim finds the resonant frequency and the lowest SWR do... Read more
Rotating Tower For Ham Radio 30 Feet Tall At Jim W6LG’s House And Can Be Used For Emergency Comms
“Jim Heath W6LG shows his newly installed antenna and tower at his residence. The tower has a maximum height of 30 feet as restricted by Placer... Read more
How To Use An Antenna Tuner
How To Use An Antenna Tuner Read more
DXplorer system providing facilities for on-air antenna system testing and comparison
DXplorer™ is a unique web-based system providing facilities for on-air antenna system testing and comparison as well as real-time HF propagation analy... Read more
VHF
PROJECT: CROSS BAND REPEATER WITH 2 BTECH MOBILES
PROJECT: CROSS BAND REPEATER WITH 2 BTECH MOBILES Read more
An introduction to QOscar 100
Noel Matthews, G8GTZ, Dave Crump, G8GKQ and Phil Crump, M0DNY gave a presentation at AGM 2019 on Qatar Oscar 100, the geostationary amateur transponde... Read more
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas GP-15
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas provide good gain figures on the 6-meter, 2-meter, and 70-centimeter bands in a compact 7.9 foot p... Read more
Wouxun KG-UV9D
Wouxun KG-UV9D Experience Multi-Band excitement with the Wouxun KG-UV9D! This multi-modulation two way radio combines dual band transmission, 7 band r... Read more
Best DMR Handheld Ham Radio for 2021 | Top 10 DMR HT Radios
What is the best DMR Handheld Ham Radio you can get in 2021, and why? Today I take you through my Top 10 choices for DMR HTs, with an honorable mentio... Read more
VHF & up Bandplanning 2021
You can find here the official IARU Region 1 bandplans currently valid from 50 MHz until 250 GHz.Only carefully considered modific... Read more
Software
ICOM IC705 firmware 1.27 has just been released
Download Type Firmware Model name IC-705 Version Version 1.27 Update 2022/05/20 Major changes Changes from Version 1.26Improved to enable forcing an A... Read more
![ARRL International Digital Contest Log 1.0 is Now Available! [ N3FJP LOG]](https://qrznow.com/wp-content/uploads/2022/04/277767452_459682099281210_1693865887720287369_n-190x122.jpg)
ARRL International Digital Contest Log 1.0 is Now Available! [ N3FJP LOG]
“Hi All, Just a quick note to let you know that…ARRL International Digital Contest Log 1.0 is Now Available!We just completed a brand new... Read more
Updates for Icom IC-7100, IC-9100 and IC-R8600 Cloning/Programming Software
Icom has released cloning/programming software updates for the IC-7100, IC-9100 HF/VHF/UHF Amateur radio transceivers and the IC-R8600 Wideband Commun... Read more
DR++ Server | Remote RTL-SDR SDRPlay LimeSDR AirSpy and More!
SDR++ Server | Remote RTL-SDR SDRPlay LimeSDR AirSpy and More! | Raspberry Pi and Windows Setup Read more
SDRangel 3D Map
Examples of how the new 3D Map in SDRangel can be used to visualise received signals Open-source TX & RX Software Defined Radio Analog: AM, APT, B... Read more
