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Data Logs Chapter 3 Binary Bytes Binary Offset H 0 Ulong 4 H - Issue of PRN mask data Ulong 4 H+4 - prc11 prc(i): Long 4 H+8 - 5 prc12 Long 4 H+12 - 6 prc13 Fast corrections (-2048 to +2047) for the prn in slot i (i = 11-21) Long 4 H+16 - 7 prc14 Long 4 H+20 - 8 prc15 Long 4 H+24 - 9 prc16 Long 4 H+28 - 10 prc17 Long 4 H+32 - 11 prc18 Long 4 H+36 - 12 prc19 Long 4 H+40 - 13 prc20 Long 4 H+44 - 14 prc21 Long 4 H+48 - 15 udre11 udre(i): Ulong 4 H+52 16 udre12 Ulong 4 H+56 17 udre13 User differential range error indicator for the prn in slot i (i = 11-21) Ulong 4 H+60 18 udre14 Ulong 4 H+64 See Table 90, Evaluation of CDGPS UDREI on Page 506 19 udre15 Ulong 4 H+68 20 udre16 Ulong 4 H+72 21 udre17 Ulong 4 H+76 22 udre18 Ulong 4 H+80 23 udre19 Ulong 4 H+84 24 udre20 Ulong 4 H+88 25 udre21 Ulong 4 H+92 26 xxxx 32-bit CRC (ASCII and Binary only) Hex 4 H+96 - 27 [CR][LF] Sentence terminator (ASCII only) - - - - Field # Field type Data Description 1 WAAS33 header Log header 2 prn Source PRN of message 3 iodp 4 Format OEMV Family Firmware Version 3.000 Reference Manual Rev 2 Scaling 509
