Global positioning system gps performance standards ps
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Global Positioning System (GPS) Performance Standards (PS) PowerPoint PPT Presentation


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Global Positioning System (GPS) Performance Standards (PS). Brig Gen Donald Alston Director of Space and Nuclear Operations DCS, Air, Space & Information Operations, Plans & Requirements 4 October 2007. Purpose of a PS. Precise Positioning Service (PPS) PS -- published Feb 2007:

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Global Positioning System (GPS) Performance Standards (PS)

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Global positioning system gps performance standards ps

Global Positioning System (GPS) Performance Standards (PS)

Brig Gen Donald Alston

Director of Space and Nuclear Operations

DCS, Air, Space & Information

Operations, Plans & Requirements

4 October 2007


Purpose of a ps

Purpose of a PS

  • Precise Positioning Service (PPS) PS -- published Feb 2007:

    • Defines current service provided to military/authorized users

    • DoD commitments for the PPS SIS

      • What PPS users can count on the PPS SIS to provide

    • Basis for military GPS safety certifications

      • Example: Certifying PPS for use in safety of life applications

  • Standard Positioning Service (SPS) PS -- published Oct 2001:

    • Defines service provided to non-military GPS users

    • Defines current DoD commitments for the SPS SIS

      • What SPS users can count on the SPS SIS to provide

    • SPS PS is basis for all civil GPS safety certifications

      • Example: SPS use in IFR navigation by civil aviation


Sps ps update process

SPS PS Update Process

PPS PS

Published

NPEC

Tracks

Task

AF/A3S

Tasking

Feb 07

Draft SPS PS

from AFSPC

Mar 07

Apr 07

Air Staff

Review

Jul 07

NII Review

Now

SPS PS

Published

Early 08

30 Apr ‘08


Line of demarcation

Line of Demarcation

SPACE SEGMENT

SPS SIS

INTERFACE

CONTROL SEGMENT

USER SEGMENT


Summary

Summary

  • Final Document expected in May 2008

  • SPS PS will be a significant step forward

    • Evolution of GPS performance

    • At the SIS interface that users plug into

    • Independent of receiver assumptions

When published, get it from the Web:

http://pnt.gov/

2008


Global positioning system gps performance standards ps

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