GPS500 GPS Time Code Generator

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SKU: MAS-GPS500BASIC Category:


GPS500 GPS Time Code Generator


The GPS500 is a precision IRIG-B or SMPTE time code generator. It provides a source of very stable time code, referencing time and date information from atomic clocks in the GPS satellite constellation. It extracts timing reference from these signals and generates time code that is synchronized within less than 10 microseconds of UTC (Universal Coordinated Time).


Additional information

Weight1 lbs
Dimensions5.4 × 4.06 × 1.44 in



  • Generates SMPTE, EBU or IRIG-B Time Codes
  • Synchronized to atomic clocks in GPS satellites
  • Provides legally traceable time to UTC
  • -11.5 to +12 hour time zone offsets in 30-minute increments
  • Automatic Daylight Saving Time 
  • NMEA/Kinemetrics/Truetime serial protocol output
  • Wide DC power supply input range: 12 to 48 VDC
  • Switch selectable Time Zone and DST
  • Switch selectable format and baud rate



Time Reference
When synchronized, the Time Code accuracy is:
SMPTE output accuracy of ± 20 microseconds
IRIG-B0 (DCLS/PWM) output accuracy of ± 90 microseconds
IRIG-B1 (AM) output accuracy of ± 1.4 milliseconds
PPS output accuracy of ± 60 nanoseconds
Should the GPS500 lose GPS signal it will revert to an internal TCXO oscillator and maintain an accuracy of ± 1 minute per year. The PPS output is synchronized to the internal TCXO oscillator. 
SMPTE Time Code  
SMPTE, EBU:30, 25 or 24fps  
IRIG-B Time Code  
IRIG-B: 1 kHz modulated, level - 5 Vpp  
IRIG-B: unmodulated, single ended 5 V  
5 V-TTL, accuracy ± 60 nanoseconds (when synchronized to GPS)  
Pulse width configurable via switch from ~200 ms to ~1 ms  
Serial output via RS-232/RS-485  NMEA  Kinemetrics/Truetime protocol  
Date encoded references (IRIG 1344 and SMPTE Leitch date format or 309M) 
Output: 9-pin removable terminal block  
Power plug: 3-pin removable terminal block  
Antenna: SMA female 
Cover: Off-white aluminum  
Front/rear panel: Clear anodized aluminum 
Power Supply  
DC input (12-48 VDC)  
24 VDC external wall-mount supplied; UL, CE listed  
Supplied with US, Euro-plug, British or AUS/NZ, other plugs available 
Antenna Options  
Basic antenna package includes magnetic GPS antenna and 15 ft (5 m) of cable  
Standard antenna package includes outdoor GPS antenna, mounting kit, and 50 ft (15 m) of cable