Re: GPS restrictions laws

gleilson@xxxxxxxxx wrote:
Hi

Does anyone knows what laws or rules are imposed to GPS receivers
industry to limitate their dynamic conditions of using ???

How could i find a copy of these rules (laws) ???

Thanks in advance

Many GPS receivers are restricted in dynamics for military
reasons--dynamics not exceeding--

Dynamics:
Acceleration 4g (39.2 m/s^2)
Motional Jerk 20 m/s^3

Operational limits
Altitude < 18,000 m or velocity < 515 m/s
Either limit may be exceeded but not both (in non-military GPS
receivers).

These restrictions do not apply to the Space Shuttle or LEO satellites
making use of GPS signals. You can always build your own receiver
without restrictions of any kind.
.

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