Наиболее удачные публикации по радиолюбительской тематике во всём мире за неделю — в обзоре ТОП радиолюбительских ресурсов. Этот обзор полезных интернет ресурсов представлен как выпуск лучших радиолюбительских сайтов недели «Top Amateur Radio Websites – Issue 1814».
См. лучшие сайты радиолюбителей — Выпуск 1814:
A very efficient 80 meter Counterpoise antenna designed to reduce ground losses from inadequate radial systems beneath inverted L antennas, a project by DM2GM and DM4IM based on the original K2AV antenna concept.
The Hentenna is an Asymmetrical Double Rectangle (ADR) Loop Antenna originally designed by Japanese Hams operating on the 6 m Band in the 1970s.
A Home brew 3-500Z HF Linear Amplifier heavily based on the Ameritron AL-80B
UK ham radio website with info on a variety of things by M0TRJ
How to setup the Yaesu FT-847 along to the PSTRotator under Windows 10 PC with Omnirig.
An end-fed half wave antenna matching unit made of 3:24 turns ratio on a FT140-43 toroid with a 150pF capacitor across the input.
An interesting article about a homemade LiFePO4 battery pack for ham radio operations, a 10Ah LiFePO4 based on Headway 38120 Cells
Interfacing the Jabra 9450 flex wireless headset to the Icom IC 7300 ham radio transceiver.
HM-36 Modification to make it work with an IC-7200 and the IC-7600
A page with pictures of the Ameritron AL-80B Amplifier, including the inside box where is possible to see the 3-500ZG tube capable to provide 800W in CW.
Introduction to NVIS antenna and NVIS propagation. A simple NVIS antenna can be constructed as shown in this article
Batteries for portable radio operation are always an interesting subject for discussion. Review of some LiPo (Lithium-ion polymer ) batteries for amateur radio use.
A simple and cheap solution to monitor temperature of your repeater implementing a Raspberry Pi device with a set of popular tools made in python a database and RRD tool