[Heath] Fixing Heath Tube transmitters with an HP-410B VTVM

Kenneth G. Gordon kgordon2006 at frontier.com
Wed Jan 15 18:32:32 EST 2014


On 15 Jan 2014 at 17:48, Wilson wrote:

> Good grief.
> If u have the peak voltage you have the RMS more accurately than all
> those conversions!

I suggested "all those conversions" since his 50 ohm dummy load may not 
be exactly 50 ohms, and his 'scope may not be accurately calibrated either, 
so these "conversions" will give him some idea of how far those may be off.

>ARRL is your friend:
> http://www.n9xh.org/license/pcara_general_upgrade_lesson_07.pdf WL

Sure...

Ken W7EKB


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