Technical Sites by Call Sign

ND2X/5
Paul Goble's QRO is the Internet information site
for low cost Russian power tube amplifiers.

G3SEK  
Ian White's Amateur Radio Technical Notebook includes PA
control circuitry construction projects and amplifier design information.

WB6BLD
Jim Tonne is offering to the fraternity a collection of original
engineering software. Browse, choose, download.

AG6K
Richard Measures has original manuscripts along with
extensive amplifier and equipment improvement articles.

Geller Labs
Joe Geller offers innovative high stability, low noise voltage references and more.

The Semiconductor Museum
Jack Ward's interesting site is dedicated to preserving
the history of the greatest invention of the 20th century.

W8ZR
Jim Garland has excellent original construction projects in
a comprehensive site. Home of the legal limit EZ Tuner!

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Links

UK Six Meter Group
  Monitor propagation and activity.

Solar Terrestrial Activity Report   

Contesting Online 
Contests, amps, antennas and towers,
rig/band specifics, forums, and more. 

DX QSL Manager Lookup by K4UTE