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

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PRNSignalNo.Table 6.3-2 Additional L1C O Overlay Code Parameter Assignments (Sheet 3 of 7)S1 PolynomialCoefficient(Octal) *(m i, j )S1 InitialCondition(Octal † ) **S2 InitialCondition(Octal † ) **Starting 11Symbols(Octal † )Ending 11Symbols(Octal † )106 5421 2142 0216 2354 2655107 5421 0733 2736 2005 0320108 5421 0504 2527 2023 1103109 5421 1611 2431 3220 3531110 5421 2724 1013 3737 0723111 5421 0753 0524 0277 0023112 5421 3724 0726 3002 2312113 5421 2652 1042 3610 1723114 5421 1743 3362 2421 3065115 5421 0013 1364 1377 1565116 5421 3464 3354 0730 1211117 5421 2300 0623 2523 3610118 5421 1334 0145 1271 3602119 5421 2175 0214 2361 1155120 5421 2564 0223 2747 1166121 5421 3075 0151 3124 2207122 5421 3455 2405 1050 2673123 5421 3627 2522 1305 2703124 5421 0617 3235 3422 3613125 5421 1324 0452 1776 1065126 5421 3506 2617 1311 3270NOTES:* The polynomial coefficient is given as m 11 , … , m 0 . Thus octal 5111 corresponds to thegenerator polynomial 1 + x 3 + x 6 + x 9 + x 11 .** The initial condition is given as n 11 , … , n 1 . (See Figure 3.2-2)†The initial bit value 0 is dropped to obtain 11 symbols. Thus octal 3035 corresponds to 11values 1 1 0 0 0 0 1 1 1 0 1.108 IS-GPS-800A8 June 2010
PRNSignalNo.Table 6.3-2 Additional L1C O Overlay Code Parameter Assignments (Sheet 4 of 7)S1 PolynomialCoefficient(Octal) *(m i, j )S1 InitialCondition(Octal † ) **S2 InitialCondition(Octal † ) **Starting 11Symbols(Octal † )Ending 11Symbols(Octal † )127 5421 2231 1300 3131 0040128 5421 1110 1430 0520 2541129 5421 1271 0773 1502 0673130 5421 3740 0772 3032 0161131 5421 3652 3561 0333 0143132 5421 1644 0607 1043 1040133 5421 3635 0420 3215 0227134 5421 3436 0527 3111 3523135 5421 3076 3770 0706 3452136 5421 0434 2536 2102 1451137 5421 3340 2233 1173 1677138 5421 0054 3366 3332 1650139 5403 2446 3766 1320 0712140 5403 0025 3554 3571 3305141 5403 0150 2060 2130 3603142 5403 2746 2070 0736 1607143 5403 2723 0713 2030 2301144 5403 2601 3366 1567 0420145 5403 3440 3247 0607 0707146 5403 1312 2776 3464 2331147 5403 0544 1244 1700 1705NOTES:* The polynomial coefficient is given as m 11 , … , m 0 . Thus octal 5111 corresponds to thegenerator polynomial 1 + x 3 + x 6 + x 9 + x 11 .** The initial condition is given as n 11 , … , n 1 . (See Figure 3.2-2)†The initial bit value 0 is dropped to obtain 11 symbols. Thus octal 3035 corresponds to 11values 1 1 0 0 0 0 1 1 1 0 1.109 IS-GPS-800A8 June 2010
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IS-GPS-800A8 June 2010GLOBAL POSITI
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REVISION RECORDLTR DESCRIPTION DATE
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3.2.3.3 Cyclic Redundancy Check ...
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LIST OF FIGURESFigure 3.2-1. Genera
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1. INTRODUCTION1.1 ScopeThis Interf
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3. SIGNAL REQUIREMENTSThe requireme
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Carriers of the two L1C components
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3.2.2 PRN Code CharacteristicsThe c
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The overlay codes are derived from
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3.2-2 L1C Ranging Codes Parameter A
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GPS PRNSignal No.3.2-3 L1C O Overla
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FIXED LENGTH-10223 LEGENDRE SEQUENC
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3.2.2.2 Non-Standard CodesThe non-s
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corresponding to MSB = 0. (A SV tra
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This code has the following charact
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3.2.3.5 InterleavingThe 1748 encode
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3.3 Signal ModulationThe signals mo
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Bit valueL1C DbitstreamSubcarrier s
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3.5 Message DefinitionAs shown in F
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DIRECTION OF DATA FLOW FROM SV100 B
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3.5.3 Subframe 2Subframe 2 provides
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Table 3.5-1. Subframe 2 Parameters
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3.5.3.1 Transmission Week NumberBit
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3.5.3.6 Ephemeris Parameter Charact
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Table 3.5-2. Elements of Coordinate
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The user shall use the broadcast UR
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where, ISC L1CD is provided to the
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3.5.3.10.1 Integrity Status Flag (I
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The ionospheric data shall be updat
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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 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 118 and 119: PRNSignalNo.Table 6.3-2 Additional
Page 120 and 121: PRNSignalNo.Table 6.3-2 Additional
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IS-GPS-800A - US Coast Guard Navigation Center

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