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8.6

invalid dates on gps tracking systems

Asked by andieje in GIS & GPS Programming

Hi

I own/run a gps tracking system so I see a lot of gps data sent by gps units. With the units i use, gps data is classified as A or V. A means the date, time and gps positional information is guaranteed to be correct. V means the data isn't guaranteed.

Whenever i encounter an invalid date in a gps string it is always in the past and it is almost always in the year 2005.

Is there any reason for this because it isn't a co-incidence

thanks
[+][-]09/22/09 06:37 AM, ID: 25392613Accepted Solution

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Zone: GIS & GPS Programming
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Solution Provided By: pgnatyuk
Participating Experts: 2
Solution Grade: A
 
[+][-]09/20/09 07:37 PM, ID: 25379986Expert Comment

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