End Fed Half-Wave Antennas
Antenna
Robot Adds New Twist to NIST Antenna Measurements and Calibrations
The National Institute of Standards and Technology (NIST) has been pioneering antenna measurement methods for decades, but a new robot may be the ulti... Read more
Dipole and Inverted V Antenna Basics
Learn how dipole and inverted V antennas work and how to build an hf antenna. Includes tips for construction, mounting and tuning Read more
Low Cost Magnetic Loop Antenna For 10-12 Meters
“I decided to build a magnetic loop antenna that would cover the ham radio frequencies from around 20 to 30 Mhz so I could use it on portable wi... Read more
New Antenna Physics Book from ARRL!
Written to bridge the gap between basic theory and graduate-level engineering texts, the second edition of Antenna Physics: An Introduction includes n... Read more
6 Meter Beam Antenna
6 Meter Beam Antenna 1.5 KW Power Handling Capacity Transmits and receives in an uni-directional (one direction) pattern Horizontal and Vertical Polar... Read more
Review
Icom ID-51A review on AmateurLogic.TV
Icom ID-51A review on AmateurLogic.TV Read more
NanoVNA comparison measuring a duplexer – NanoVNA-H4 and SAA-2N
“Is the NanoVNA suitable to measure/adjust a typical antenna duplexer? This video compares the NanoVNA-H4 and the SAA-2N VNAs with a professiona... Read more
![Icom IC-7300 vs K3s Elecraft [ Video´s ]](https://qrznow.com/wp-content/uploads/2016/04/elecraft_k3s_4-265x168.jpg)
Icom IC-7300 vs K3s Elecraft [ Video´s ]
Tested at night on 40m with QRM from BC stations. All controls set equal. Identical speakers. Antenna switched A/B. Keep in mind that I can fiddle wit... Read more
Ailunce HS1 First Impressions HF SDR Radio!
A short-wave radio station is a radio communication device that operates at a wavelength of 100 to 10 meters (frequency of 3 to 30 MHz). Mainly used f... Read more
Super Battery Booster MFJ-4416C
Today`s compact 100-watt HF rigs are designed to operate from about 12-16 volts, with output signal distortion, output power problems, and transceiver... Read more
Equipment
2050 Advanced HF Transceiver
The Barrett 2050 HF transceiver In addition to providing all common modes of HF transmission, most currently used selective call formats and MIL STD 1... Read more
Icom – Download 2014 Amateur Product Catalog (PDF)
Icom – Download 2014 Amateur Product Catalog (PDF) Read more
ANAN-200D HF + 6M 100W ALL MODE SDR TRANSCEIVER
SDR TRANSCEIVER The ANAN-200D is The most powerful Amateur Radio Transceiver available today, it builds on the very successful OpenHPSDR Hermes and t... Read more
HAMlab – 160-6 10W
HAMlab is a fully functional SDR transceiver with 160-10m band coverage and 10W of output power built around the STEMlab platform. It gives you an out... Read more
Introducing the NEW BCS-200 Speaker Mic by BridgeCom Systems:
BridgeCom Systems, Inc is pleased to announce the availability of the BCS-200 Speaker Mic for the amateur and commercial radio markets. Introducing th... Read more
News
Capture the MAGIC of Six Meters — eBook
Have you ever wondered about the “Magic” of Six Meters? After all, you’ve probably pressed the six meter button on your rig and failed to find any mag... Read more
Eastern Iowans Rely On Ham Radio When Severe Weather Strikes
A derecho with winds of 80 to 100 MPH struck eastern Iowa last August, disrupting power and telecommunications for some 400,000 residents. But, as... Read more
David A. Duncan, K7DUN, Wins the January 2021 QST Cover Plaque Award
The winning article for the January 2021 QST Cover Plaque award is “CW-ELMER – An Advanced Morse Code Learning System,” by David A... Read more
ISS SSTV 145.800 FM Jan 28-29
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
Contest University to Host Propagation Summit on January 23
Contest University (CTU) is holding a Virtual Propagation Summit on Saturday, January 23. The Zoom-platform event will get under way with introductory... Read more
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