11 4 Uncoordinated Time Transfer Using GPS.............................................................................11 11

11 5 Coordinated Time Transfer Using GPS.................................................................................11 15

A 1 GLONASS Orbit Planes and Slots ...........................................................................................A 4

A 2 GLONASS L1 C/A and P(Y) Code Spectrum.......................................................................A 13

B 1 World Geodetic System 1984 Reference Frame.......................................................................B 2

B 2 WGS 84 Geoid (n=m=18 Truncation)......................................................................................B 6

D 1 Multipath Induced North Position Error...................................................................................D 3

TABLES

Table

Page

1 1

NTS and Block I Satellite Launch Dates and Status................................................................1 19

1 2

Block II Satellite Launch Dates and Status..............................................................................1 21

3 1

GPS PPS System Range Error Budget .....................................................................................3 3

3 2

Time Error Budget ....................................................................................................................3 8

3 3

Precise Time Output Accuracy (95%) for a Typical PPS

   P code Receiver......................................................................................................................3 8

3 4

Precise Time Output Accuracy (95%) for a Typical SPS

   C/A code Receiver .................................................................................................................3 9

6 1

Service Coverage Standards......................................................................................................6 3

6 2

Service Availability Standards....................................................................................................6 6

6 3

Service Availability as a Function of Specified Satellite

   Outage Conditions..................................................................................................................6 7

6 4

Example of 3 Day Global Service Availability with Component Failure

   on Worst Day .........................................................................................................................6 7

6 5

Example of 30 Day Global Service Availability Without Component Failure ...........................6 8

6 6

Service Reliability Standards......................................................................................................6 8

6 7

Probability of Operational Satellites.........................................................................................6 12

6 8

Service Coverage of a Typical 24 Satellite Constellation ........................................................6 12

6 9

Availability of the Integrity Decision........................................................................................6 14

6 10 FOM/TFOM Numerical Values and Estimated Errors............................................................6 18

10 1 PPS DGPS Error Budget ........................................................................................................10 8

11 1 Uncoordinated Time Transfer Using GPS PPS Receivers.....................................................11 11

11 2 Coordinated Time Transfer Using GPS PPS Receivers.........................................................11 12

12 1 Typical Range of Integrity Parameters.....................................................................................12 5

A 1 GLONASS Satellite Launches..................................................................................................A 8

A 2 GLONASS Transmitted Power..............................................................................................A 11

A 3 Almanacs ................................................................................................................................A 14

B 1 WGS 84 Ellipsoid Four Defining Parameters ...........................................................................B 3

B 2 Relevant Miscellaneous Constants and Conversion Factors .....................................................B 4

B 3 Transformation Parameters Local Geodetic Systems to WGS 84 ............................................B 8

B 4 Methods of Determining and Accuracy of WGS 84 Coordinates.............................................B 9

xii