How Antenna Traps Work
Antenna
AIM 4170D Antenna / Lab RF Analyzer
The AIM 4170D antenna analyzer measures the complex impedance (magnitude and phase) at each frequency of interest in the range of 0.1 to 180 MH... Read more
Radio Direction Finder DF2020T
DF2020T Radio Direction Finder kit requires minimum assembly for 10~15 Minutes The Stealth DDF2020T/GPS is an economical but very sophisticated Dopple... 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
Antenna experiment – Fractal Quad for 28 Mhz band
“After reading many antenna articles in the Internet and a couple ARRL antenna books I got interested in physically small HF antennas. My... Read more
20M Vertical Dipole – Amazing Performance – T2LT Design
Here we take a look at building a simple 20M Vertical Dipole purely from RG58 Coax. Read more
Review
Universal Radio presents the Yaesu FTDX9000D
FTDX9000D The FTDX-9000 is a groundbreaking HF/50 MHz Elite Class Transceiver from the YAESU Engineering Team. The FTDX-9000D features unmatched close... Read more
3. LDMOS HF AMPLIFIER 100W INPUT 2400W OUTPUT BLF188XR 2 PCS 1.8-54 MHZ
LDMOS HF amplifier 90W input 2400W CW SSB output 1.8-54 MHz This a ready power amplifier. You will need a case and power supply only! Water-cooled h... Read more
Battery Powered Automatic Antenna Tuner, 100 Watt Max, Portable Ham Radio Tuner Review/Demo
“Here is a small $100 portable battery powered ham radio antenna tuner, which deserves a review. I have it connected to my Icom IC-705 but you c... Read more
![Xiegu X5105 [ First Video´s]](https://qrznow.com/wp-content/uploads/2017/01/15977553_1934328260128796_9122523868845693855_n-1-265x168.jpg)
Xiegu X5105 [ First Video´s]
X5105 is a highly portable transceiver working at HF+6m band, with a built-in power output of 5W. Technical features: double-conversion superheterody... Read more
Icom IC-SAT100 Satellite PTT Radio
“Video, presented by James Heming which provides a comprehensive introduction to the Icom IC-SAT100 Satellite PTT Radio system, how it works, fe... Read more
Equipment
LA1K5 is a solid-state 1200 watts 1.8 – 54MHz power amplifier
The RFpower LA1K5 is a solid-state 1200 watts 1.8 – 54MHz power amplifier. It uses a ruggedness 1800 watts 65 V LDMOS technology NXP’s MRF... Read more
Icom IC-9700 Picture Mode, New Feature Firmware, DSTAR
“This is a new feature that was added to my IC9700 when I decided to update the firmware. It has been out for a few months now from what I have... Read more
SDRplay announces the RSPdx
SDRplay Limited has announced the launch of a new Software Defined Radio product – the RSPdx. The RSPdx is a replacement for the highly successful RSP... Read more
PTRX-7300 Panorama Adaptor for the IC-7300
A panorama adapter for the IC-7300? What’s the point, you might ask, the IC-7300 has such a nice spectrum and waterfall display? Right, but unfo... Read more
QRPVer Minion SDR First Impressions
SSB SDR transceiver is a shortwave, ten band, multi band. QRPver Minion-SDR. This is a compact ten-band shortwave QRP SDR transceiver (1.8, 3.5, 5, 7,... Read more
News
iPortable Rack Systems | Ham Radio Rack Mounts
Take your Ham Radio Portable with iPortable. A look at these really cool rack mount units for HF/VHF/UHF Ham Radio. Portable Pro2 Equipment Rack Syste... Read more
The history of communicating with submarines underwater
“Nestled deep in the Chequamegon-Nicolet National Forest in Northwest Wisconsin is the small town of Clam Lake. Clam Lake is best known for the... Read more
K4BEN, announces the official beta of his Remote Radio Service
K4BEN, announces the official beta of his Remote Radio Service, DXRemote.net. It is a very simple concept: his enterprise-class, redundant n... Read more
New at ICOM Hamvention 2022!
ICOM Hamvention 2022! Take your contesting experience to the next level with the latest LDMOS power device with features supporting a SO2R operation i... Read more
AMSAT-UK announce the 2022 International Space Colloquium
AMSAT-UK is very happy to announce the 2022 AMSAT-UK International Space Colloquium will be held as part of the RSGB Convention on October 8-9 at the... Read more
