CONTENTS (Continued)

Page

12.3 Civil Aviation Authorities, Agencies, and Organizations ...............................................12 2

12.3.1

Regulatory Authorities ....................................................................................12 2

12.3.2

Advisory Groups.............................................................................................12 3

12.3.3

Industry Groups ..............................................................................................12 3

12.3.4

Civil Aviation Coordination with the U.S. and U.S. DoD...............................12 3

12.4 Primary Civil Aviation Concerns With GPS ..................................................................12 4

12.4.1

Integrity Requirements....................................................................................12 4

12.4.2

Required Navigation Performance ..................................................................12 5

12.4.3

Integrity Assurance..........................................................................................12 6

CHAPTER 13:  DIGITAL MAPS....................................................................................................13 1

13.1 Introduction ...................................................................................................................13 1

13.2 What Is A Digital Map?.................................................................................................13 1

13.2.1

Digitized Paper Maps......................................................................................13 1

13.2.2

Digital Database Maps ....................................................................................13 2

13.2.3

HYBRID Maps...............................................................................................13 2

13.3 Navigation Maps and Tactical Maps..............................................................................13 2

13.3.1

Use of Digital Maps for Navigation.................................................................13 2

13.3.2

Use of Digital Maps for Tactical Displays.......................................................13 3

13.3.3

Improvement of Common Reference Grids.....................................................13 3

13.3.3.1 Improved Gridlock..........................................................................13 4

13.3.3.2 Geodetic Gridlock...........................................................................13 4

13.3.3.3 Sensor Calibration...........................................................................13 4

13.3.3.4 OTHT Operations...........................................................................13 4

13.4 Other Issues Concerning Digital Maps and GPS ...........................................................13 5

13.4.1

Electrical Interface Between the Digital Map Display and

the GPS Receiver.....................................................................................13 5

13.4.2

Digital Maps Accuracy....................................................................................13 5

13.4.3

Map Datums....................................................................................................13 5

ANNEX A:  GLONASS: RUSSIAN S EQUIVALENT NAVIGATION SYSTEM........................A 1

A.1 Historical Perspective .....................................................................................................A 1

A.2 Purpose of Global Satellite Navigation Systems .............................................................A 1

A.3 System Accuracy ............................................................................................................A 2

A.4 Monitor and Control Subsystem.....................................................................................A 2

A.5 Space Segment ...............................................................................................................A 3

A.6 Maneuvering in Orbit......................................................................................................A 5

A.7 Spacecraft Description....................................................................................................A 6

A.8 Satellite Launch Program................................................................................................A 7

A.9 Transmission Frequencies.............................................................................................A 10

A.10 Transmission Powers and Protection Ratio ..................................................................A 11

A.11 Information Transmission, Bandwidth and Code Rates................................................A 11

A.12 Ranging Codes..............................................................................................................A 12

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