CONTENTS (Continued)

Page

CHAPTER 2:  TYPES OF GPS RECEIVERS AND THEIR INTENDED

APPLICATIONS.....................................................................................................2 1

2.1

GPS Receiver Architectures ............................................................................................2 1

2.1.1

Continuous Receivers........................................................................................2 1

2.1.2

Sequential Receivers..........................................................................................2 1

2.1.2.1

One Channel Sequential Receivers....................................................2 1

2.1.2.2

Two Channel Sequential Receivers...................................................2 2

2.1.3

Multiplex (MUX) Receivers..............................................................................2 2

2.2

"All In View" Receivers ..................................................................................................2 2

2.3

Autonomous Integrity Monitoring Techniques................................................................2 3

2.4

Time Transfer Receivers..................................................................................................2 3

2.5

Differential GPS (DPGS) Receivers ................................................................................2 3

2.6

Surveying Receivers.........................................................................................................2 5

2.7

Analog/Digital Receivers .................................................................................................2 7

2.8

GPS As A Pseudorange/Delta Range Sensor ..................................................................2 8

CHAPTER 3:  MINIMUM PERFORMANCE CAPABILITIES OF A

GPS RECEIVER .....................................................................................................3 1

3.1

Basic Considerations........................................................................................................3 1

3.1.1

GPS System Accuracy Characteristics ..............................................................3 1

3.1.2

GPS PPS System Range Error Budget.............................................................3 2

3.1.2.1

GPS UE Range Error Budget...........................................................3 3

3.1.3

Geometric Dilution of Precision........................................................................3 4

3.2

Receiver Position Accuracy.............................................................................................3 6

3.3

Receiver Velocity Accuracy.............................................................................................3 7

3.4

Receiver Time Accuracy..................................................................................................3 7

3.5

Time To First Fix............................................................................................................3 8

3.5.1

Warm Start, Cold Start, and Hot Start..............................................................3 9

3.5.2

Receiver Warm Up ...........................................................................................3 9

3.5.3

Almanac Collection .........................................................................................3 10

3.5.4

Initial Uncertainties..........................................................................................3 10

3.5.5

Ephemerides Collection...................................................................................3 10

3.5.6

Enhanced Acquisition Techniques...................................................................3 10

3.5.7

Direct P(Y) Code Acquisition.........................................................................3 11

3.5.8

TTFF Requirements ........................................................................................3 11

3.5.9

Satellite Reacquisition .....................................................................................3 11

CHAPTER 4:  GPS RECEIVER INTERFACE AND ANCILLARY

EQUIPMENT..........................................................................................................4 1

4.1

Introduction .....................................................................................................................4 1

4.2

General Purpose Interfaces..............................................................................................4 1

4.2.1

MIL STD 1553 Multiplex Data Bus.................................................................4 1

4.2.2

ARINC 429 Digital Information Transfer System.............................................4 2

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