Nixie Tube Clock ‘Elite’
Issue 3 (25 July 2018)
www.pvelectronics.co.uk
- 39 -
9. USING A GPS RECEIVER
The clock can receive time from a GPS receiver that transmits
information using NMEA-0183 protocol, using the $GPRMC
sentence.
9.1 Configuring for GPS Synchronisation.
Set parameter 12 to value 4.
Set the baud rate in parameter 13.
Set parameters 14 and 15 for the hours and minutes your time
zone is offset from UTC Time. This is usually only whole hours.
Set parameter (16) to identify whether the offset is minus (0) or
positive (1) of the time source.
D7 will light when the clock has received a recent GPS or XTERNA
synchronisation data.
