GPS

clashjudiciousElectronics - Devices

Nov 8, 2013 (3 years and 9 months ago)

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GLOBAL POSITIONING
SYSTEM (GPS)

CONSTELLATION
STATUS

December 1999


Captain Zannis Pappas

HQ Air Force Space Command
(DORS)

Overview



GPS Constellation Health/Status



Launch Schedule



Current Transition Plan



Summary

Constellation Health/Status

SLOT

1 2 3 4 5

PLANE

A

SVN39

SVN22

SVN37

SVN31

SVN28

SVN36

SVN34

SVN17

SVN15

SVN24

SVN23

SVN40

SVN21

SVN14

SVN32

SVN26

SVN18

SVN29

SVN25

SVN19

SVN30

SVN13

SVN35

SVN27

SVN33

SVN16

B

C

D

E

F

SVN38

27 Operational Satellites On Orbit

End of Life

SVN43

IIR
-
2

SVN46

IIR
-
3

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




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

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