IS-GPS-200H
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REVISION RECORDREVNCDESCRIPTIONDOCUMENTDATEAPPROVEDInitial Release25 Jan 1983AIncorporates IRN-200NC-001, IRN-200NC-002, andIRN-200NC-00325 Sep 1984BIncorporates IRN-200A-001A30 Nov 1987CIncorporates IRN-200B-001 thru IRN-200B-00710 Oct 1993CRe-formatted in Microsoft Word 6.0 in GEMScompatible format10 Oct 199312 Jan 1996CChanged distribution status to Public Release25 Sep 199720 Oct 1997Incorporates IRN-200C-001 thru IRN-200C-005R1,change ICD-GPS-200 to IS-GPS-200, introduce andspecify the requirements of Improved Clock andEphemeris (ICE) message for L2 C signal, and otheradditional updates7 Dec 200423 Nov 2004Adds additional PRN sequences to Section 67 Mar 20069 Mar 2006GPS IIIA Incorporations8 Jun 20108 June 2010DIRN200D-001EN/AFSE&I Tech Pubs29 July 2010IRN-IS-200E-001 (RFC 16B - Pseudorandom Noise(PRN) Expansion21 Sep 20115 Mar 2012IRN-IS-200F-00121 Sep 201117 Apr 2012IRN-IS-200F-002 (RFC 139B – Public Signals-inSpace Updates5 Sep 201231 Jan 2013IRN-IS-200E-002 (RFC 77B - Public DocumentManagement (GPS III terminology and Space ServiceVolume (SSV) group delay))IRN-IS-200E-003 (RFC 86 - User Range Accuracy(URA) Definition)IRN-IS-200E-004 (RFC 89 - Almanac Intervals)IRN-IS-200E-005 (RFC 91A - Civil Navigation(CNAV) Durations)IRN-IS-200E-006 (RFC 93 - Technical Note 36)IRN-IS-200E-007 (RFC 97 - Pseudorange Parameters)GiIS-GPS-200H24 Sep 2013Revision Record, ContinuedREVDESCRIPTIONDOCUMENTDATEAPPROVEDHIRN-IS-200G-001 (L1C Data Predict Week Number(WNop)24 Sep 201321 Mar 2014IRN-IS-200G-002 (PublicRequirements Disconnects)SignalsinSpaceIRN-IS-200G-003 (CNAV Reference Times)IRN-IS-200G-004Assignments)(PRNs211-102323 Jan 2014MissionIRN-IS-200G-005 (Clarification of CNAV BroadcastIntervals)iiIS-GPS-200H24 Sep 2013TABLE OF CONTENTS123INTRODUCTION ..................................................................................................................
11.1Scope. ............................................................................................................................... 11.2IS Approval and Changes................................................................................................. 1APPLICABLE DOCUMENTS ..............................................................................................
12.1Government Documents................................................................................................... 12.2Non-Government Documents. ......................................................................................... 2REQUIREMENTS .................................................................................................................. 23.1Interface Definition. .........................................................................................................
23.2Interface Identification. .................................................................................................... 23.2.1Ranging Codes. ......................................................................................................... 33.2.2NAV Data. .............................................................................................................. 123.2.3L1/L2 Signal Structure. ...........................................................................................
123.3Interface Criteria. ........................................................................................................... 133.3.1Composite Signal. ................................................................................................... 133.3.2PRN Code Characteristics....................................................................................... 193.3.3Navigation Data.
..................................................................................................... 393.3.4GPS Time and SV Z-Count. ................................................................................... 404NOT APPLICABLE ............................................................................................................. 435NOT APPLICABLE ............................................................................................................. 446NOTES .................................................................................................................................. 456.1Acronyms ....................................................................................................................... 456.2Definitions ......................................................................................................................
486.2.1User Range Accuracy. ............................................................................................ 48iiiIS-GPS-200H24 Sep 20136.2.2SV Block Definitions. ............................................................................................. 496.2.3Operational Interval Definitions. ............................................................................ 506.2.4GPS Week Number. ................................................................................................ 506.2.5L5 Civil Signal.
....................................................................................................... 506.36.3.1Received Signals. .................................................................................................... 516.3.2Extended Navigation Mode (Block II/IIA). ............................................................ 526.3.3Block IIA Mode (Block IIR/IIR-M) and Extended Navigation Mode (Block II-F). ................................................................................................................................... 536.3.4Extended Navigation Mode (GPS III).
................................................................... 546.3.5Autonomous Navigation Mode. .............................................................................. 546.3.6Additional PRN Code Sequences. .......................................................................... 556.3.7Pre-Operational Use. ............................................................................................... 636.410Supporting Material........................................................................................................ 51Operational Protocols. .................................................................................................... 636.4.1Lower PRN Numbers Versus Upper PRN Numbers.
............................................. 636.4.2PRN Number Consistency. ..................................................................................... 646.4.3PRNs 33 and 37. ..................................................................................................... 646.4.4PRNs 33 through 63. ............................................................................................... 646.4.5Health Code Setting of ‘11110’.
............................................................................. 64APPENDIX I. LETTERS OF EXCEPTION ....................................................................... 6510.1Scope. ......................................................................................................................... 6510.2Applicable Documents. .............................................................................................. 6510.3Letters of Exception.................................................................................................... 6520 APPENDIX II.
GPS NAVIGATION DATA STRUCTURE FOR LNAV DATA, D(t), FORPRN 1-32 ...................................................................................................................................... 7420.1Scope. ......................................................................................................................... 74ivIS-GPS-200H24 Sep 201320.220.2.1Government Documents. ........................................................................................ 7420.2.2Non-Government Documents.
................................................................................ 7420.330Applicable Documents. .............................................................................................. 74Requirements. ............................................................................................................. 7520.3.1Data Characteristics. ............................................................................................... 7520.3.2Message Structure.
.................................................................................................. 7520.3.3Message Content. .................................................................................................... 8720.3.4Timing Relationships. ........................................................................................... 13020.3.5Data Frame Parity. ................................................................................................ 136APPENDIX III. GPS NAVIGATION DATA STRUCTURE FOR CNAV DATA, DC(t) 13930.1Scope. ....................................................................................................................... 13930.2Applicable Documents. ............................................................................................
13930.2.1Government Documents. ...................................................................................... 13930.2.2Non-Government Documents. .............................................................................. 13930.3Requirements. ........................................................................................................... 13930.3.1Data Characteristics. ............................................................................................. 13930.3.2Message Structure.
................................................................................................ 14030.3.3Message Content. .................................................................................................. 14030.3.4Timing Relationships. ........................................................................................... 18930.3.5Data Frame Parity.
................................................................................................ 19340 APPENDIX IV GPS NAVIGATION DATA STRUCTURE FOR LNAV DATA, D(t), FORPRN 33-63 ..................................................................................................................................
