19.2.19.3 Technical data
Table 712: GPS time synchronization module (GTM)
Function Range or value Accuracy
Receiver – ±1µs relative UTC
Time to reliable time reference with antenna in new
position or after power loss longer than 1 month
<30 minutes –
Time to reliable time reference after a power loss
longer than 48 hours
<15 minutes –
Time to reliable time reference after a power loss
shorter than 48 hours
<5 minutes –
19.2.20 GPS antenna
19.2.20.1 Introduction
In order to receive GPS signals from the satellites orbiting the earth a GPS antenna
with applicable cable must be used.
19.2.20.2 Design
The antenna with a console for mounting on a horizontal or vertical flat surface or on
an antenna mast. See figure
542
Section 19 1MRK505222-UUS C
IED hardware
1130
Technical reference manual
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