[time-nuts] T.I. experimenting - newbie question

[J. Forster]

Bottom line is that using a chunk of coax (even air line) as a time delay
standard is like using a ruler made of a rubber band to check the accuracy
of a SS maxchinist's scale.

YMMV,

-John

===============


>    Joe,
>
>    The coax can be viewed as a series of lumped constants; that is, series
>    inductors with many shunt capacitors to ground in between the
>    inductors.  In essence, a delay line.  At standard temperature /
>    pressure / etc. the delay line assumes a given value.  If any external
>    influence impacts the coax then it assumes a new value because of :
>
>      1. Capacitive and inductive changes from dimensional shifts OR
>
>      2. Changing dielectric properties OR
>
>      3. Some combination of the above
>
>    Thus the delay line's value (VOP) changes, and, naturally the impedance
>    as well.
>
>    Bill....WB6BNQ
>
>    Joseph Gray wrote:
>
>      I assume you mean that impedance has an effect on VOP? Can you point
>      to any internet sources that explain this effect? Preferably
>      something
>      not overly technical.
>
>      Joe Gray
>      W5JG
>
>      On Sun, Apr 3, 2011 at 4:11 PM, paul swed <paulswedb at gmail.com>
>      wrote:
>      > It does change vop
>
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