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Asynchronous Balun Correction

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Subject: Asynchronous Balun Correction
From: (John Brosnahan)
Date: Mon, 21 Oct 1996 14:30:19 -0600
>Be sure to use the correct velocity factor for your RG-11 and RG-213:
>solid poly      = .66
>Belden foam= .78
>PTFE             = .80

Fred, minor point but solid PTFE velocity factor is .694.  It is only in
the air/PTFE (tape, spline, foam, etc) that the velocity factor gets into
the region of  .75 to .90.  So if it isn't solid PTFE you had better check
the specs or measure the VF yourself.


John Brosnahan   W0UN
24115 County Road 40
La Salle, CO 80645

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