Designer 3D Prints a Raspberry Pi Radio – BY DEBRA THIMMESCH ·
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Alinco Released a new radio Today – DJ-R200D
Alinco Corporation December 6, 2016, announced the latest model of the 420 / 440MHz band specified low-power handheld machine equipped with a super mu... Read more
FCC Technological Advisory Council Initiates Noise Floor Inquiry
Radio amateurs frequently complain about increasing noise from a variety of sources, so it should be welcome news that the FCC Technological Advisory... Read more
NH0DX Mariana Islands
Koji Kitamura, JL3RDC will be active again from Mariana Islands in October 2015 as NH0DX. He will be active in CQ WW DX SSB Contest 24 – 25 Octo... Read more
N0AX Wins the October QST Cover Plaque Award – Impedance Matching Circuits
The winning article for the October 2019 QST Cover Plaque award is “About Impedance Matching Circuits” by Ward Silver, NØAX. The QST Cover Plaque Awar... Read more
Sun Has Likely Entered New Evolutionary Phase, Say Astronomers
by Bruce Dorminey The Sun has likely already entered into a new unpredicted long-term phase of its evolution as a hydrogen-burning main sequence star... Read more
BWDS Base Broadband HF Folded Dipole Antenna
Barker & Williamson’s BWDS series of broadband folded dipole antennas, together with our MK114 or MK112 mast systems, gives rear tactical a... Read more
Beyond the Visible: The Story of the Very Large Array
Created in 2013 as the new interpretive film for the National Radio Astronomy Observatory’s Karl G. Jansky Very Large Array (VLA) public Visitor... Read more
Two More Radio Amateurs Join International Space Station Crew
The ISS ham radio population expanded to three, following the arrival of NASA astronaut Scott Kelly and Russian cosmonauts Mikhail Kornienko, R... Read more
Heil Sound of Bob Heil explaining the Parametric Audio Systems (PRAS)
The Heil Sound Parametric Receive Audio System (PRAS) is a state-of-the-art audio system that enhances the internal audio systems of amateur radio, sh... Read more
IC-705 vs KX3 vs X5105 vs G90 – QRP Ham Radio Comparison
IC-705 vs KX3 vs X5105 vs G90 – QRP Ham Radio Comparison Read more
Understanding HF Propagation
“Looks at how HF radio signals are propagated via the ionosphere. Includes a description of NVIS propagation, and looks at VOACAP-based propagat... Read more
FCC Denies Petition for Consideration in Vanity Call Sign Dispute
An Arizona radio amateur has been unsuccessful in convincing the FCC to take a 1 × 2 vanity call sign away from its present holder and grant it to him... Read more
Pitcairn Island DXpedition – October 2019
Pitcairn Island First and foremost, we want this to be fun. Fun for everyone. Work us on as many bands and modes as you like, share your QSO accompl... Read more
Ultra Portable PSK31/RTTY Digital Modem Ham Radio HF Digital Modem
Digital Modem can encode/decode BPSK31/63, RTTY, QPSK and CWmodes without PC, specially for portable digital communication。With its internal high perf... Read more
Marijuana grow-lights cause problems for ham-radio operators
“The marijuana industry and Uncle Sam haven’t been on the same page for 80 years, but these days, in a unique bit of weirdness, it... Read more
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