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...@@ -36,11 +36,13 @@ UTC. ...@@ -36,11 +36,13 @@ UTC.
### Does this system suffer from any kind of Sagnac effect, related to the rotation of the Earth? ### Does this system suffer from any kind of Sagnac effect, related to the rotation of the Earth?
### Was the PTB calibration done with a traveling clock? If so, did you apply relativistic corrections to its time base? ### Was the PTB calibration done with a traveling cesium clock? If so, did you apply relativistic corrections to its time base?
The [PTB calibration](https://www.ohwr.org/project/cngs-time-transfer/wikis/Documents/PTB-calibration-report) was done with No it wasn't. The [PTB calibration](https://www.ohwr.org/project/cngs-time-transfer/wikis/Documents/PTB-calibration-report)
a traveling GPS used for time comparison between metrology was done with a traveling GPS used for time comparison between metrology
labs. labs. This unit consisted of a GPS receiver GR50, a SR60 Time interval
Counter (TIC), a GPS antenna, and ~50m of HELIAX foam coaxial
cable.
### What is the impact of the Ionosphere on the accuracy of the time transfer? ### What is the impact of the Ionosphere on the accuracy of the time transfer?
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