12 Attachment: Technical Information
12.6.7 GNS-UC Clock
GNSS receiver with UpConverter for operation on a standard
Meinberg GPS antenna/converter unit.
Type of receiver:
GPS / Galileo receiver
Number of channels: 72
GPS: L1C/A
Galileo: E1B/C
Accuracy of Pulses:
Dependant on oscillator option
< +-100nsec (TCXO, OCXO-LQ)
< +-50ns (OCXO-SQ, -MQ, -HQ, -DHQ)
Synchronization Time:
Max. 1 minute in normal operation mode,
approx. 12 minutes after a cold start
Antenna Cable:
shielded coax cable
Cable Length:
max. 300m
Type of Connector:
female BNC connector
Power Requirements:
15 V, 100 mA (via antenna cable)
LED Indicators
Init
blue:
while the receiver passes through
the initialization phase
green:
the oscillator has warmed up
Nav.
green:
positioning successfully
Ant
red:
antenna faulty or not connected
yellow:
the clock is synchronized by an external
Signal - MRS mode (PPS, IRIG ...)
Fail
red:
time has not synchronized
GNS
181-UC
Antenna
Init
Nav
Antl
Fail
C O M
GNS
181-UC
Antenna
Init
Nav
Antl
Fail
XHE-SPI
1
3
5
IMS - LANTIME M1000
Date: 2nd July 2020
47