PPS) - the most accurate dynamic positioning possible with a GPS. Uses dual frequency P-code.

The highest level of military dynamic positioning accuracy provided by GPS, using the dual-frequency P-code.

Authorized users with cryptographic equipment and keys and specially equipped receivers use the PPS. US and Allied military, certain U. S. Government agencies, and selected civil users specifically approved by the US Government, can use the PPS. PPS Predictable Accuracy : 22 meter Horizontal accuracy 27.7 meter vertical accuracy 200 nanosecond time (UTC) accuracy