IS-GPS-800A - US Coast Guard Navigation Center

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5. RESERVED66 IS-GPS-800A8 June 2010
6. NOTES6.1 AcronymsAPC - antenna phase centerASCII - American Standard Code for Information InterchangeBCH - Bose, Chaudhuri, and HocquenghemBOC - Binary Offset CarrierBPSK - Bi-Phase Shift KeyCCB - Configuration Control BoardCDC - clock differential correctionCNAV-2 - L1C Navigation MessageCRC - Cyclic Redundancy CheckCS - Control SegmentdBc - Power ratio of a signal to a (unmodulated) carrier signal, expressed in decibelsDC - differential correctionDN - Day NumberECEF - Earth-Centered, Earth-FixedECI - Earth-Centered, InertialEDC - ephemeris differential correctionEOE - Edge-of-EarthEOL - End-of-LifeEOP - Earth Orientation ParametersFEC - Forward Error CorrectionGBAS - Ground Based Augmentation SystemGGTO - GPS/GNSS Time OffsetGNSS - Global Navigation Satellite SystemGPS - Global Positioning SystemGPSW - GPS WingICC - Interface Control ContractorICWG - Interface Control Working GroupIRN - Interface Revision NoticeIS - Interface SpecificationISC - Inter-Signal CorrectionITOW - Interval Time of WeekLDPC - Low Density Parity CheckLFSR - Linear Feedback Shift RegisterLSB - Least Significant Bit67 IS-GPS-800A8 June 2010
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IS-GPS-800A8 June 2010GLOBAL POSITI
Page 3 and 4:
REVISION RECORDLTR DESCRIPTION DATE
Page 5 and 6:
3.2.3.3 Cyclic Redundancy Check ...
Page 7 and 8:
LIST OF FIGURESFigure 3.2-1. Genera
Page 9 and 10:
1. INTRODUCTION1.1 ScopeThis Interf
Page 11 and 12:
3. SIGNAL REQUIREMENTSThe requireme
Page 13 and 14:
Carriers of the two L1C components
Page 15 and 16:
3.2.2 PRN Code CharacteristicsThe c
Page 17 and 18:
The overlay codes are derived from
Page 19 and 20:
3.2-2 L1C Ranging Codes Parameter A
Page 21 and 22:
GPS PRNSignal No.3.2-3 L1C O Overla
Page 23 and 24: FIXED LENGTH-10223 LEGENDRE SEQUENC
Page 25 and 26: 3.2.2.2 Non-Standard CodesThe non-s
Page 27 and 28: corresponding to MSB = 0. (A SV tra
Page 29 and 30: This code has the following charact
Page 31 and 32: 3.2.3.5 InterleavingThe 1748 encode
Page 33 and 34: 3.3 Signal ModulationThe signals mo
Page 35 and 36: Bit valueL1C DbitstreamSubcarrier s
Page 37 and 38: 3.5 Message DefinitionAs shown in F
Page 40 and 41: DIRECTION OF DATA FLOW FROM SV100 B
Page 46 and 47: 3.5.3 Subframe 2Subframe 2 provides
Page 48 and 49: Table 3.5-1. Subframe 2 Parameters
Page 50 and 51: 3.5.3.1 Transmission Week NumberBit
Page 52 and 53: 3.5.3.6 Ephemeris Parameter Charact
Page 54 and 55: Table 3.5-2. Elements of Coordinate
Page 56 and 57: The user shall use the broadcast UR
Page 58 and 59: where, ISC L1CD is provided to the
Page 60 and 61: 3.5.3.10.1 Integrity Status Flag (I
Page 62 and 63: The ionospheric data shall be updat
Page 64 and 65: 3.5.4.2.3 User Algorithm for Applic
Page 66 and 67: transmitted by the SVs will degrade
Page 68 and 69: Table 3.5-7.Midi Almanac Parameters
Page 70 and 71: MSBCDC = Clock Differential Correct
Page 72 and 73: 3.5.4.5 Subframe 3, Page 6 - TextSu
Page 76 and 77: LSF - Leap Seconds FutureL1C - Comm
Page 78 and 79: Table 6.2-1.Legendre Sequence (Octa
Page 80 and 81: Table 6.2-2 LDPC Submatrix A for Su
Page 90 and 91: Table 6.2-3. LDPC Submatrix B for S
Page 92 and 93: Table 6.2-7. LDPC Submatrix T for s
Page 94 and 95: Table 6.2-7. LDPC Submatrix T for s
Page 96 and 97: Table 6.2-8. LDPC Submatrix A for s
Page 98 and 99: Table 6.2-8. LDPC Submatrix A for s
Page 100 and 101: Table 6.2-9. LDPC Submatrix B for S
Page 102 and 103: Table 6.2-13. LDPC Submatrix T for
Page 104 and 105: Table 6.2-16. Number of 1’s in LD
Page 106 and 107: 6.3 Supporting Material6.3.1 Additi
Page 108 and 109: Table 6.3-1 Additional L1C Ranging
Page 114 and 115: PRNSignalNo.Table 6.3-2. Additional
Page 116 and 117: PRNSignalNo.Table 6.3-2 Additional
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