The winning article for the April 2019 QST Cover Plaque award is “A High-Power 160- and 80-Meter Transmitting Loop Antenna” by Steve Adler, VK5SFA.
The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QSTCover Plaque Poll web page. Cast a ballot for your favorite article in the May issue today.
TYT DM-UVF10 ,a dualdisplay, dual standby two-way radio,adopts high-technology and novel designDM-UVF10 adopts humanism design,making it smart... Read more
Amplifier, HT, VHF, Solid State, 144-148 MHz, 3/50 W In, 200/200 W Out, UHF Fem, SO-239, 13.8 Vdc, 25 A, Each Add this amp to your 2 Meter HTor mobile... Read more
A WebSDR is a Software-Defined Radio receiver connected to the internet, allowing many listeners to listen and tune it simultaneously. SDR technology... Read more
Great Article – Elad FDM-S2 from http://swling.com/ Check: http://swling.com/blog/2014/12/a-review-of-the-elad-fdm-s2-software-defined-rece... Read more
Motorola MOTOTRBO XPR 7550 I.S. DMR portable radio review BY VA3XPR Read Full Review : Read more
These tests show that the signal strength of a local station can be many tens of decibels weaker than from a DX station. For the last several years I... Read more
DX vertical antenna for low-bands 80/160 NEW Height 22 meters 5kw power Elements diameter from 75 to 25 mm Hardware full stainless steel Coil of alumi... Read more
Jim makes and then shows his tunable half wavelength dipole antenna. Using an antenna analyzer, Jim finds the resonant frequency and the lowest SWR do... Read more
These directional antennas may look like Yagis, but they are quite different. The Doctor explains! Read more