Yo Hal! On Wed, 29 Jun 2016 12:28:50 -0700 Hal Murray <[email protected]> wrote:
> [email protected] 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 --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 [email protected] Tel:+1 541 382 8588
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