IS-GPS-800A - US Coast Guard Navigation Center
IS-GPS-800A - US Coast Guard Navigation Center IS-GPS-800A - US Coast Guard Navigation Center
DIRECTION OF DATA FLOW FROM SV100 BITSMSB FIRST1PRN8 BITS9PageNo6 BITS15WN a-n13 BITS28t oa8 BITS36PRN a8 BITS44 47e11 BITS58 6980 97 iA 0411 BITS 11 BITS 17 BITS MSBsL1 HEALTH – 1 BITL2 HEALTH – 1 BITL5 HEALTH – 1 BITDIRECTION OF DATA FLOW FROM SV100 BITSMSB FIRST101113129145156166 0M 0a f0a f1RESERVED12 LSBs16 BITS16 BITS11 BITS10 BITS35 BITS201DIRECTION OF DATA FLOW FROM SV74 BITSRESERVEDMSB FIRST251 274CRC50 BITS24 BITSNOTE: Broadcast sequence of subframe 3 pages is a variable and, as such, users must not expect a fixedpattern of page sequence.Figure 3.5-5. Subframe 3, Page 4 – Midi Almanac34 IS-GPS-800A8 June 2010
DIRECTION OF DATA FLOW FROM SV100 BITSMSB FIRST191526373872PRN8 BITSPageNo6 BITSt op-D11 BITSt OD11 BITSCDC34 BITSEDC29 MSBsDC DATA TYPE – 1 BITDIRECTION OF DATA FLOW FROM SV100 BITSMSB FIRST101164EDC63 LSBsRESERVED37 BITS201DIRECTION OF DATA FLOW FROM SV74 BITSRESERVEDMSB FIRST251 274CRC50 BITS24 BITSNOTE: Broadcast sequence of subframe 3 pages is a variable and, as such, users must not expect a fixedpattern of page sequence.Figure 3.5-6. Subframe 3, Page 5 – Differential Correction35 IS-GPS-800A8 June 2010
- Page 1 and 2: 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 44 and 45: 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 74 and 75: 5. RESERVED66 IS-GPS-800A8 June 201
- 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 82 and 83: Table 6.2-2 LDPC Submatrix A for Su
- Page 84 and 85: Table 6.2-2 LDPC Submatrix A for Su
- Page 86 and 87: Table 6.2-2 LDPC Submatrix A for Su
- Page 88 and 89: Table 6.2-2 LDPC Submatrix A for Su
- Page 90 and 91: Table 6.2-3. LDPC Submatrix B for S
DIRECTION OF DATA FLOW FROM SV100 BITSMSB FIRST1PRN8 BITS9PageNo6 BITS15WN a-n13 BITS28t oa8 BITS36PRN a8 BITS44 47e11 BITS58 6980 97 iA 0411 BITS 11 BITS 17 BITS MSBsL1 HEALTH – 1 BITL2 HEALTH – 1 BITL5 HEALTH – 1 BITDIRECTION OF DATA FLOW FROM SV100 BITSMSB FIRST101113129145156166 0M 0a f0a f1RESERVED12 LSBs16 BITS16 BITS11 BITS10 BITS35 BITS201DIRECTION OF DATA FLOW FROM SV74 BITSRESERVEDMSB FIRST251 274CRC50 BITS24 BITSNOTE: Broadcast sequence of subframe 3 pages is a variable and, as such, users must not expect a fixedpattern of page sequence.Figure 3.5-5. Subframe 3, Page 4 – Midi Almanac34 <strong>IS</strong>-<strong>GPS</strong>-<strong>800A</strong>8 June 2010
Change language