Log Potentiometer Options

 If you need to have a log responding pot this idea may be of help:

Log Pots

AC2CZ 50 watt Amplifier Design Article

 A nice description of AC2CZ's 50 watt amplifier design project.

50 W Power Amp

VA3ASE Satellite Antenna System

 I just viewed this YouTube version of Alex's, VA3ASE, satellite antenna system. This is part one.

VA3ASE Satellite Antenna System-Part 1

10x Scope Probes: Teledyne LeCroy

Here is a short application note that covers 10x oscilliscope probes.

Teledyne LeCroy 10x Probe Application Note

A pdf version is also available.

KN5L Blog Covers RF, Chokes, Transmission. Lines and Theory

 KN5L has a very interesting blog that covers RF. transmission lines and filters/chokes with examples, practical data and theory.

KN5L

Lloyd Butler, VK5BR Website

I suggest anyone interesred in test and measurment, antenna tuning/matching peruse the articles of VK5BR.

SITE of LLOYD BUTLER VK5BR Many articles by Lloyd Butler VK5BR have been published in journals, including Amateur Radio and OTN since the 1980's. The site has been set up to display some of the material published.

WSPR article: A WHISPER (WSPR) ADVENTURE and ESP_WSPR by BARBAROS AŞUROĞLU

 Interesting very low power WSPR project by  BARBAROS AŞUROĞLU

WSPR