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Re: Primary Tune Found
Tesla List wrote:
>
> >From rwstephens-at-ptbo.igs-dot-netWed Aug 14 22:15:30 1996
> Date: Wed, 14 Aug 1996 21:07:00 -0500
> From: "Robert W. Stephens" <rwstephens-at-ptbo.igs-dot-net>
> To: tesla-at-pupman-dot-com
> Subject: Re: Primary Tune Found
>
> Chuck,
>
> If I understand you correctly, I believe that with the shields of the
> two RG-213 cables you have created a single turn loop with the center
> point grounded (at the coil system), and a happenstance proximity >spark gap across the open ends (where you saw the blue light). This is >exactly what Heinrich Hertz used as a receiver to demonstrate received >energy at VHF wavelengths in the world's first achnowledged radio >transmission experiment. This single turn (braid) is in parallel to >the HV leads going to your pole pig filter. The RF getting past the >rotary break and heading towards the pig is inducing voltage in your >shields. This is OK. At the pig end, just isolate these two shields
> so that they are insulated and float. The shields will then do just
> that, shield RF radiation from escaping from the HV runs. If you tie >these shields together , and or ground them at the pole pig station, >you will create a loop and radiate RF bigtime. Run a common point >ground as you've started to do, with all subsystems grounding at the >base of the secondary.
>
> Congratulations on the performance you are now achieving. You've
> just entered the big league!
>
> Regards, rwstephens
RW:
Thnaks for your comments and I'll try your suggestions. First I've
got to examine the spark gap system and see what items are showing some
signs of wear!
Chuck