Brief to DUSDSpace - PowerPoint PPT Presentation
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Title:
Brief to DUSDSpace
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F. SVN38. 27 Operational Satellites On Orbit. End of Life. SVN43. IIR-2. SVN46. IIR-3. Launch Schedule ... Upgrade Dedicated Monitor Stations and Ground ... – PowerPoint PPT presentation
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Title: Brief to DUSDSpace
1
GLOBAL POSITIONING SYSTEM (GPS) CONSTELLATION
STATUS December 1999
Captain Zannis Pappas HQ Air Force Space Command
(DORS)
2
Overview
- GPS Constellation Health/Status
- Launch Schedule
- Current Transition Plan
- Summary
3
Constellation Health/Status
SLOT
1 2 3 4
5
A
SVN38
SVN39
SVN25
SVN19
SVN27
B
SVN22
SVN30
SVN13
SVN35
C
SVN28
SVN36
SVN37
SVN31
SVN33
End of Life
PLANE
IIR-3
SVN34
SVN17
SVN15
SVN24
SVN46
D
SVN23
SVN40
SVN21
SVN14
E
SVN16
IIR-2
SVN32
SVN26
SVN18
SVN29
SVN43
F
4
Launch Schedule
- SCHEDULED GPS LAUNCHES FY 99 - FY 05
- Block IIR Block IIF
- FY 00 3 0
- FY 01 3 0
- FY 02 3 0
- FY 03 4 0
- FY 04 3 0
- FY 05 2 1
5
Current Transition Plan
- Lockheed Martin Mission Systems (LMMS)
- Upgrade Dedicated Monitor Stations and Ground
Antennas with New Digital Receivers and Computers - Replace Existing Master Control Station Mainframe
Computer With a Distributed Architecture - Add Accuracy Improvement Initiative, Air Force
Satellite Control Network, and Full IIR
Capabilities - Build Fully Mission Capable Alternate Master
Control Station (AMCS) at Vandenberg Tracking
Station - Boeing North America (BNA)
- Add IIF Command and Control Functionality
2-Step Plan Replace Existing Mainframe With
Distributed Architecture Then Add Block IIF
Functionality
6
Summary
- GPS is a Healthy Constellation
- - 27 Operational Satellites
- - Navigation Payloads Operating Great
- Block IIR
- - SVN43 Bus and Navigation Payload Nominal
- - Solid Navigation Performance
- - 18 more pending Block IIR launches scheduled
- Block IIF
- - Air Force has committed to purchase 6 Block IIF
satellites for now, with an option (on a case by
case annual basis) to procure a total of 30
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