GM3SEK's Amateur Radio Technical Notebook
In Practice

In Practice

The 'In Practice' pages
More information on my recent monthly RadCom columns

Best of 'In Practice' on the web
Articles and resources of long-term interest

Cumulative Index, 1993 - 2007
Indexed by topic

UK Component and Tool Suppliers
Where to buy, how to order
4CX400A


GS35b

RF Power Amplifiers

Celebrating 1000 Triode and Tetrode Boards!

The Triode Board
PC board and Kit for Triode PA control and protection
Download the complete Triode Board Instruction Manual

The Tetrode Boards
 PC boards and Kit for Tetrode PA control and protection
Download the complete Tetrode Boards Instruction Manual

Amplifier Design and Operation

Spreadsheet to estimate blower performance  (540KB)

 

Sad to say,
The VHF/UHF DX Book
is no longer available

Front Cover

Corrections and updates

VHF/UHF DX

VHF/UHF Long Yagi Workshop

Stacking Yagis for the Same or Different Bands


DUBUS magazine and DUBUS-Technik books
DUBUS Archives 1982-1992

 Moonbounce

E-mail GM3SEK

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Last updated 28 February 2008
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GS35b photo by courtesy of PE1OGF

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