Обзор самых удачных ссылок за неделю. Выпуск № 190 от 20.01.2018

Обзор самых удачных ссылок (Top links) за неделю

Выпуск № 190 от 20.01.2018

Вниманию предлагается выходящий в свет каждую субботу бюллетень ссылок о любительском радио во всём мире, с обзором наиболее удачных из них за истекшую неделю. Еженедельный электронный бюллетень публикует ссылки на наиболее уместные новости, проекты, технологии и события, происходящие в радиолюбительской жизни.

Полезным может стать для каждого радиолюбителя.

Удачного просмотра!

 

Amateur Radio Weekly
 
Issue 190 January 20th, 2018
 

Top links

 
A note to members from ARRL President Rick Roderick
To those who try to suggest that the Board has abandoned its obligation to the members in favor of the organization — you draw a distinction that doesn’t exist.
ARRL
 
ARRL CEO to retire
Gallagher, 69, cited recent changes included in the new federal tax law that made it unattractive for him to continue working.
ARRL
 
ARRL: It's not just the bylaws that need changin'
To this day, neither Mr. Gallagher nor anyone from the BOD has been willing to answer "Why?"
KL7SB
 
AO-92 transponder and camera tested, further camera tests planned
The first thirty-six hours of AO-92’s life in orbit have seen a flurry of activity as the AMSAT Engineering and Operations teams walk through an extensive checklist of tests.
AMSAT
 
DPØGVN WSPR beacon in Antarctica is operational
The multiband receiver of the new permanent WSPR beacon DPØGVN in Antarctica has been put into operation.
Southgate
 
Anticipating Winter Field Day Jan 27/28
The antenna will be a 100-foot loop 30 feet across 20 feet vertical fed at the bottom with an Icom AH4 tuner. This antenna takes up only 30 linear feet, needs no trees. and was designed to fit the campsite.
N4KGL
 
[PDF] FT8 Operating Guide
Work the world on HF using the new digital mode.
G4IFB
 
SSTV with a Baofeng
The Baofeng speaker mic would make the perfect donor for a cable between the radio and audio connection of a computer / smartphone.
Essex Ham
 
3D-printed radio works, despite having no battery
Called a crystal radio receiver, or sometimes a “cat’s whisker receiver,” this is an incredibly simple type of radio receiver that was popular in the earliest days of radio.
Digital Trends
 

Video

 
My first uBitX contact
First contact made with my ubitx transceiver after the initial wiring.
VO1UO
 
Smith Chart: Z, VSWR, reflection coef and transmission line effects
This video gets into several practical aspects of using a Smith Chart to take care of doing complex calculations involving VSWR, reflection coefficient (gamma and rho), return loss, and the impedance transformations that occur when using transmission line between a source (generator, transmitter, etc.) and the load (antenna, amplifier input, etc.).
W2AEW

Спасибо за просмотр!

73!