Measuring Crystals with NanoVNA and other tools
Antenna
X700HNA Dual band Base / Repeater Antenna
Special Features: • Fiberglass radomes • Overlapping outer shells for added strength • Strong waterproof joint couplings • Stainless steel har... Read more
![HF Loop Antennas – ARRL The Doctor is In [ PodCast ]](https://qrznow.com/wp-content/uploads/2017/02/11825222_887255654645435_1859337703964508434_n-265x168.jpg)
HF Loop Antennas – ARRL The Doctor is In [ PodCast ]
“HF Loop Antennas” is the topic of the just-released episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Enginee... Read more
Basics of building HF/VHF cubical quad antennas
Basics of building HF/VHF cubical quad antenas Read more
CHA MPAS LITE: CHAMELEON DESIGNS A NEW QRP COMPACT PORTABLE ANTENNA SYSTEM
The CHA MPAS LITE is the little brother of the CHA MPAS 2.0 – the most popular Modular Portable Antenna ... Read more
The 10 Meter Loop Antenna by KG0ZZ
Loop antennas are a favorite among hams. They are a simple design and offer more gain than a half wave dipole antenna. A full wavelength loop antenna... Read more
Review
KN-Q7A SSB 20m QRP Ham Radio Transceiver Kit
KN-Q7A SSB 20m QRP Are you tired of building pixie kits, rockmites, and other entry levelham radio transceivers that just end up sitting on the shelf... Read more
ADALM PLUTO Frequency Expansion Modification Plus CPU Cores
“Here we take a look at the ADALM-PLUTO frequency expansion modification to give us 70 MHz through to 6GHz. Mine actually went as low as 46MHz!!... Read more
KB8O Demonstrates Receive 4-Square on 160m
Jay Pecora, KB8O from Elyria, OH demonstrates his DX Engineering Receive Four-Square system on 160 meters. Read more
Equipment
AR5001D 40kHz-3.15GHz, Professional Grade Communications Receiver
AR5001D 40kHz-3.15GHz Cellular frequencies blocked on USA version; unblocked version available to qualified entities, documentation required. Download... Read more
SW-3B QRP CW transceiver
QRP CW transceiver Description Dimensions: 104*71*25mm (excluding the protruding part such as knob) Weight: 180g. Operating voltage: 8-15VDC. Operatin... Read more
QRP Ranger
An innovative portable energy system, optimized for mobile radio in the field. How do you define ‘state-of-the-art’ in mobile radio power? QRP RANGER... Read more
ORB Control Device, The Portable Online Remote Base Solution
Are you tired of using your keyboard or mouse for TX control? Enhance your remote experience; talk on a remote using your microphone with PTT or pound... Read more
21st Century Transceiver Design: The K4 High Performance Direct Sampling SDR
The Elecraft K4 High Performance Direct Sampling SDR Read more
News
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity slowed this week, with the average daily sunspot number declining from 48.9 last week to 33.9 this we... Read more
8-Meter Experimental Station on the Air from the US
WL2XUP is an FCC Part 5 Experimental station operated by Lin Holcomb, NI4Y, in Georgia. It’s licensed to operate with up to 400 W effective radiated p... Read more
Quirky APRS, HG-UV98 Lanch NLH Ham Radio Handheld Review
“Chinese radios have come a long way, many have impressive feature lists, but those features seem to be stuck behind programming or poorly imple... Read more
Product Discontinuation: IC-7851 HF All Band Transceiver
“We are sorry to announce that Icom has discontinued the IC-7851 HF All Band Transceiver. Since its launch six years ago, the IC-7851 has been I... Read more
ISS SSTV Aug 6-7 145.800 MHz FM
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
