GPS Atomic Clock

GPS Atomic Clock [AC-500-GPS]

Front view of GPS atomic clock
GPS atomic clock what's included

The AC-500-GPS atomic clock is a mains powered GPS antenna that can track up to 8 satellites to synchronise a single computer to UTC time in any location worldwide.


Entry Level GPS Atomic Clock

The antenna can be positioned up to 15m away from the computer (10m supplied) and connects to the computer by a serial interface. The supplied software driver synchronises the time on a single Windows Server or Workstation and can also synchronize PC's, workstations and other NT servers across the network.

Key Benefits

  • Accurately synchronises Windows 95, 98, NT, 2000 and UNIX solaris and Linux computer networks
  • Requires a single serial RS232 port
  • 1 year warranty

Technical specification for AC-500-GPS Atomic Clock

General L1 1575.42MHz, C/A code, 12-channel all in view tracking
Sensitivity -143dBm minimum
Update Rate 1Hz
Accuracy Position: <15m> Velocity: 0.1m/sec without S/A
Time: ±100ns synchronised to GPS time
WAAS Accuracy Position: 3m CEP
Velocity 0.05m/sec
Aquisition Cold start: 45 sec average
Warm Start: 38 sec average
Hot start: 8 sec average
Re-aquisition 0.1 sec
Data WGS-84
DGPS WAAS/EGNOS
Dynamics Altitude: 18000m Max.
Velocity: 500m/s
Acceleeration 4gMax
antenna Built in patch antenna
Operating temperature -30°C - 80°C
Operating humidity 5% - 95%
Input Current 150mA Max.
Protocols NMEA-0183 v2.20 at 4800 baud rate, 8-None-1
Interface RS-232 or RS-422
Power Input 9V - 34V DC
Cable Length 10m (can be extended)

What's in the box

  • AC-500-GPS Receiver + power supply
  • Instruction Manual
  • NTP Software CD

Additional Extras

The following products are also available for use with the AC-500-GPS Atomic Clock:

  • Gold and Premium Support Packages
  • Digital Wall Clocks
  • Antenna Cable (100 to 1,000 metre rolls available)

Contact Galleon Systems