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Antenna
2-Element parasitic Yagis by DK7ZB – 10 15 20 30 meters
2-Element parasitic Yagis by DK7ZB for the Shortwave-Bands 10m-30m No other antenna has a better relation between gain and expense than the 2-E... Read more
2 Meter & 70 Centimeter Mobile Halo Antenna Project
“I have wanted to try 2 meter SSB mobile for some time but did not have a horizontally polarized antenna to try it out. Since I had success buil... Read more
Antenna Gain Explained by KB9VBR
Check great article from KB9VBR – Antenna Gain Explained Also Visit J-Pole Antenna Shop Read more
How I designed the Nebula eXtreme Multiband 18m DX Commander Antenna
eXtreme Multiband 18m DX Read more
Building a Multi-Band Dipole
Multi-Band Dipole I built a multiband dipole that will work 40, 20, 17, and 10 meters for ham radio. An easy project I was able to tackle in one day.... Read more
Review
![Yaesu FT-818 – Unboxing [ Video ]](https://qrznow.com/wp-content/uploads/2018/03/FT-818_front1-265x168.jpg)
Yaesu FT-818 – Unboxing [ Video ]
The new FT-818 incorporates all the many basic and attractive features of the ever-popular FT-817ND while providing upgrades desired by many existing... Read more
Why is Coax 50 Ohms?
Why is Coax 50 Ohms? Read more
Survey of Less-Expensive Vertical Antennas
Oggie Mike, KB7HFS, asks for a recommendation for a new vertical antenna. He already has a radial field and a mount; his prior antenna was destroyed i... Read more
Buddipole PowerPlus | Rugged Portable DC Power Management System
DESCRIPTION Rugged Portable DC Power Management System with built-in High-Efficiency Battery Charger! > High contrast OLED display > Power manag... 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 718 – HF Transceiver
Icom IC 718 – HF Transceiver THE ORIGIN OF THE HF TRANSCEIVER Simple operation The IC-718 is equipped with a minimum number of buttons and cont... Read more
ANAN-7000DLE 100W HF & 6M Transceiver
The ANAN-7000DLE HF & 6M 100W SDR Transceiver offers top of the line performance is a compact rugged package, it is based on the work of the OpenH... 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
CW Decoder – Inac
decoder translates and displays the tones of a telegraph or teletype signal on a display of alphanumeric characters. Only required to run a connection... Read more
News
Quantum Receiver Can Detect Huge Swath of the RF Spectrum
US Army researchers have built a so-called “quantum sensor,” which can analyze the full RF spectrum and real-world signals, a report on Physics.org sa... Read more
Approaches to Tackle Noise Problems Vary, Remedies Elusive
RF noise is a frequent discussion topic among radio amateurs. A proliferation of electronics has cluttered and complicated the noise environment; it’s... Read more
ARISS, NASA, and ESA Continue to Probe Amateur Radio Problems on ISS
Amateur Radio on the International Space Station (ARISS) International Chair Frank Bauer, KA3HDO, reports that the ARISS team has been working closely... Read more
Yaesu FT-DX10 HF Transceiver – Is it Right for You?
We take a look at one of the most recent HF transceivers to come onto the ham radio market. Could this be the new FT-101E that was one of the best sel... Read more
What is the Base Holding Up My Hexbeam?
William Noble asks about the base used to hold up my MFJ-1846 Hex Beam antenna. The actual base that allows for a fold-over mast was designed by frien... Read more
