Reacting to Capacitance, Inductance, Resistance, Frequency
Antenna
Introduction into Theory of Direction Finding
Introduction Applications of direction finding While direction finding for navigation purposes (referred to as cooperative direction finding) is becom... Read more
Vehicular HF Antenna Base 1.8 – 54MHz
The CHA HYBRID Base is designed to enhance the capabilities of the common HF radio application by allowing faster tuning operation across the HF bands... Read more
Two element QUAD antenna Model RQ-26H
Antenna RQ-26H- preset “Cubical Quad” on the bands 6, 10, 12, 15, 17, 20 m with heavy duty design. It uses the most advanced composite mat... Read more
Pro-Loop Antenna Kits – ZMXloop
Basic HF kit 1M Diameter loop model ZMXMLA1 The main loop 1M size the feed ring and insulator. This suits shortwave listeners and amateur radio. Basi... Read more
Ham Radio Xmas Story – ALEXLOOP !
See More about AlexLoop Read more
Review
DIY Remote Radio Now – Win the April 2017 QST Cover Plaque Award
WB2REM and K5PA Win the April 2017 QST Cover Plaque Award The winning article for the April 2017 QST Cover Plaque award is “DIY Remote Radio Now” by... Read more
Radio Receiver Sensitivity
The sensitivity of a radio receiver is a key operational parameter and it is limited by the system noise. The sensitivity of a radio receiver determin... Read more
The Double Bazooka Antenna – A Review
The Double Bazooka Antenna – A Review Read more
Equipment
GroundBreaker – Isolate your audio to remove RFI and ground loop problems!
The bhi GroundBreaker audio unit isolates the grounds on your bhi DSP noise cancelling product or other ancillary equipment from those of the radio sy... Read more
HF Linear 2KW HF2015DX – Chinese by BG5EFD
RF Linear amplifier coverd 1.8-30MHz WARC amateur bands , using Chinese FU728F ceramic tetrodes working at Class AB1 driving power:5-50W output:20... Read more
![Icom AIR. LAND. SEA. [ Brochure ]](https://qrznow.com/wp-content/uploads/2016/09/icom_air-265x168.jpg)
uBITX v 6.0 QRP transceiver
Upto 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz SSB and CW Simple to build and align Minimal controls Based on Arduino Nano controller... Read more
New Network Vector Analyzer FXNANO 0.5/900 MHz
Display 3.2″ , 100% compatible with all NANOVNA fw. Version redesigned with BNC, switch tact, increased battery and many other functions https:/... Read more
News
St. Vincent Radio Amateurs on Alert During Volcano Emergency
Donald de Riggs, J88CD, on the Caribbean island of St. Vincent, says that on April 13, the 42nd anniversary of the 1979 eruption of the La Soufriere v... Read more
Can You Cook A Hotdog With Ham Radio?
“I’ve always been facinated by the physical affects of RF. Today, a light experiment testing if can cook hotdogs with RF. The test incorpo... Read more
Updated Radio Frequency Exposure Rules Become Effective on May 3
The FCC has announced that rule changes detailed in a lengthy 2019 Report and Order governing RF exposure standards go into effect on May 3, 2021. The... Read more
March 2021 Volunteer Monitor Program Report
The Volunteer Monitor (VM) Program is a joint initiative between ARRL and the FCC to enhance compliance in the Amateur Radio Service. This is the Marc... Read more
ARISS USA Gets IRS 501(c)(3) Recognition
ARISS-USA, a Maryland nonprofit corporation, has earned recognition from the US Internal Revenue Service (IRS) as a Section 501(c)(3) charitable, scie... Read more
