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Antenna
Super Broad Band Stainless Steel Ham Antenna
Extremely Versatile, Highly Efficient, UV rated and Very Lite With Almost No Wind Load. With 18 Stainless wires 2″ inches wide for 10-20-40-80 m... Read more
Wideband Antennas for SDR Radios
Flip, W4FLP, asked about options for wideband antennas for the popular RSP-DX software defined radio from SDRPlay. We cover three that should work fin... Read more
Improving Suburban HF Vertical Antennas
HF verticals are very popular for the smaller suburban gardens. How do they perform and are there any improvements you should consider? Read more
XR6 | COMPACT 11 ELEMENT 20 /17 / 15 / 12 / 10 / 6 METER MULTI-MONO YAGI
For years InnovAntennas co-owner Bill AA7XT pestered his InnovAntennas business partner Justin G0KSC to design an antenna that would cover 20 through... Read more
Why use a J-Pole Antenna?
“A viewer asks: Why J-Pole antennas? I mean it’s a cool design and all, but some people swear by them. What advantages do they have? Lower... Read more
VHF
VR-P25 Power Amplifier for Handheld Radios
VR-P25 is a portable, lightweight, Wide coverage RF booster amplifier for Handheld Radio equipment, proprietary and emerging waveforms. Two Way R... Read more
BCH-220 Handheld Radio
BCH-220 Handheld Radio Introducing the new BCH-220 Handheld Radio for 1.25m 220 MHz. It’s just what you need in a 220 MHz portable. The BCH-220... Read more
SainSonic RST599 Dual Band 136-174/400-520MHz Two-Way Ham Radio IP66 Waterproof
SainSonic releases its debut radios – SainSonic RST599 two-way radios. This revolutionary design marks the start of an exciting new produ... Read more
New 23cm IARU Region 1 record claimed
Terry M0VRL reports that on 14 July 2017 he completed a QSO of 2,662km, from IO70PO to IL28FC, with Pedro EA8AVI in the Canary Islands that breaks the... Read more
Review
IC-7610 Technical Report Vol. 2 (English Version)
IC-7610 Technical Report, which explains the RF direct sampling system and RMDR used in the IC-7610. You can find the Technical Report here: http:/... Read more
How Antenna Traps Work
How Antenna Traps Work Read more
Baofeng DM-5R DMR Radio – Unboxing & First Impressions
BaoFeng DM-5R DMR Digital Radio VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power 21CM Dual Band Antenna 8-Level Stepped F... Read more
Universal Ham Radio Remote. Open source remote radio control.
Universal Ham Radio Remote. Open source remote radio control. Read more
The new Malahit-DSP: A portable all-in-one wideband SDR receiver
Technical Specifications 1 MHz to 1000 MHz. Bandwidth 160 kHz. Modulation types AM, WFM, NFM, LSB, USB. Powered by one Li-ion cell. Consumption up to... Read more
Equipment
Introduction to the RSPduo Dual tuner 14-bit 1kHz – 2GHz SDR
The RSPduo is a high performance dual tuner SDR. Housed in a high quality steel enclosure, each tuner can operate individually anywhere between 1 kHz... Read more
Alpha 9500 Autotune Full Legal Limit Linear Amplifier
The Alpha 9500 is no ordinary linear amplifier. The Alpha 9500 is the culmination of over 40 years of design and engineering. The Alpha 9500 is an adv... Read more
ICOM IC-705 Antenna Mounting Bracket & Patch lead
NEVADA RC-105 A beautifully made bracket, complete with, BNC to SMA patch lead and mounting mounting screw, for connecting a PL-259 style portable ant... Read more
Barrett 4075 High Power HF Transmitter
The Barrett 4075 high power HF Transmitter is a compact rack mounted communications solution developed for base station applications in large HF netwo... Read more
MK-4 Heavy Duty – 25′ Maximum Height Fiberglass Masts
The MK-4 Series of masts are, by far, our most portable masts for many reasons. The masts are light weight and short enough, when fully collapsed, to... Read more
News
I have RFI , now what– Locating it by NK7Z
As the name suggests, this article, “I have RFI, now what– Locating it”, will show how I located several RFI sources in my area. This is part three o... Read more
Quartzfest look around 22 Jan 2020
https://quartzfest.org/ Read more
FCC Denies Petition Aimed at Preventing Interference from Digital Repeaters to Analog Repeaters
The FCC has turned away a Petition for Rulemaking from a Michigan radio amateur that asked the Commission to amend Section 97.205 of the Amateur Servi... Read more
13 Colonies Special Event to Mark 10th Anniversary this Year
The annual Original 13 Colonies Special Event will mark its 10th anniversary this year. The event gets under way on July 1 at 1300 UTC and runs throug... Read more
![5 elements 40m fullsize Yagi above 40m on the ground [ JA0PI ]](https://qrznow.com/wp-content/uploads/2016/11/pi8-190x122.jpg)
