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Applications

Leap Second Testing

 
     

Leap Second 2012 Problems

 
 
 
 
 
 
     

Leap Second 2012 Resources

 
 
 
 
 
 

The first leap second since late 2008 was added to the official time scale (UTC) on June 30, 2012. This was the first mid-year leap second event in 16 years.

It is up to GPS devices' firmware and algorithms to manage the leap second correctly. To uncover any detrimental effect of the leap second, leap second conformance should be tested to the GPS specification IS-GPS-200E .

Leap Second Testing Made Easy

Spectracom’s GPS constellation simulators can easily simulate the leap second event that occurred on June 30, 2012, as well as any others when they are scheduled in the future. A typical test takes less than 35 minutes to set up and run. The application note Leap Second Testing Made Easy  provides background on the leap second event and describes leap second testing with the Spectracom simulator. Existing users of GSG Series GPS constellation simulators can download our sample leap second test scenario.

Products for Leap Second Testing


 

GSG 6 Series Multi-Frequency GNSS/GPS Simulator


The GSG 6 series is a GNSS/GPSSignal Simulator capable of simulating up to 64 channels of multi-constellation, multi-frequency GNSS signals. Any version offers the ability to simulate leap seconds.

GSG 5 Series Multi-Channel GNSS/GPS Simulator


The GSG 5 series is a GNSS/GPS Signal Simulator capable of up to 16 channels of multi-constellation GNSS signals in the standard commercial L1 band. Any version offers the ability to simulate leap seconds.