Yo Hal! On Wed, 29 Jun 2016 12:28:50 -0700 Hal Murray <hmur...@megapathdsl.net> wrote:
> bro...@pacific.net said:
> > At one point they were looking into making a GPS time receiver
> > where the cable length calibration would be built-in.
>
> How would you do that?
TDR. The GPS already sends a voltage down the cable to power the
antenna. Send a sharp down the cable and see when the reflection comes
back.
Even some of my cheap managed ethernet switches can do that.
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
g...@rellim.com Tel:+1 541 382 8588
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