IS-GPS-705E
22 May 2018
ii
6 NOTES ............................................................................................................................................................... 22
6.1 Acronyms .................................................................................................................................................... 22
6.2 Definitions................................................................................................................................................... 24
6.2.1 User Range Accuracy. ......................................................................................................................... 24
6.2.2 SV Block Definitions. .......................................................................................................................... 24
6.2.2.1 Developmental SVs. ..................................................................................................................... 24
6.2.2.2 Operational SVs. ........................................................................................................................... 24
6.2.2.2.1 Block II SVs ........................................................................................................................... 24
6.2.2.2.2 Block IIA SVs. ....................................................................................................................... 24
6.2.2.2.3 Block IIR SVs. ....................................................................................................................... 25
6.2.2.2.4 Block IIR-M SVs. .................................................................................................................. 25
6.2.2.2.5 Block IIF SVs. ....................................................................................................................... 25
6.2.2.2.6 GPS III SVs............................................................................................................................ 25
6.2.3 Operational Interval Definitions. ......................................................................................................... 25
6.2.4 GPS Week Number. ............................................................................................................................. 25
6.2.5 Reserved Data ...................................................................................................................................... 25
6.2.6 Valid Range ......................................................................................................................................... 25
6.2.7 Invalid Range ....................................................................................................................................... 25
6.2.8 Clock, Ephemeris, Integrity (CEI) Data Set. ....................................................................................... 25
6.2.8.1 Core CEI Data Set. ........................................................................................................................ 25
6.2.9 CEI Data Sequence Propagation. ......................................................................................................... 27
6.3 Supporting Material. ................................................................................................................................... 27
6.3.1 L5 Received Signals. ........................................................................................................................... 27
6.3.2 Integrated Phase Noise Characteristics. ............................................................................................... 28
6.3.3 Ellipticity Characteristics. .................................................................................................................... 29
6.3.4 Additional PRN Sequences. ................................................................................................................. 30
6.3.5 Pre-Operational Use: ............................................................................................................................ 35
6.4 Operational Protocols.................................................................................................................................. 35
6.4.1 Lower PRN Numbers Versus Upper PRN Numbers ........................................................................... 35
6.4.2 PRN Number Consistency ................................................................................................................... 36
6.4.3 PRNs 33 and 37 ................................................................................................................................... 36
6.4.4 PRNs 33 through 63 ............................................................................................................................. 36
10 APPENDIX I. LETTERS OF EXCEPTION .................................................................................................. 37
10.1 Scope. ........................................................................................................................................................ 37
10.2 Applicable Documents. ............................................................................................................................. 37
10.3 Letters of Exception. ................................................................................................................................. 37
20 APPENDIX II. GPS NAVIGATION DATA STRUCTURE FOR L5 CNAV DATA, D
5
(t) ........................ 42
20.1 Scope. ........................................................................................................................................................ 42
20.2 Applicable Documents. ............................................................................................................................. 42
