[Test-Equipment] TV-2

[GandalfG8 at aol.com]

In a message dated 12/07/2010 17:47:26 GMT Daylight Time,  
pete at petelancashire.com writes:

After a  surf of the net via Google .. I have a question.

What does one do now  days for calibration tubes / references ?


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I've seen online articles in the past for homebrew calibration devices  but 
must admit its a while since I've looked.
 
regards
 
Nigel
GM8PZR