Changes between Version 7 and Version 8 of NDF


Ignore:
Timestamp:
Jun 24, 2014, 4:47:24 PM (8 years ago)
Author:
stoecker
Comment:

Reduce satellite systems bits and use free bit for tracking indicator

Legend:

Unmodified
Added
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Modified
  • NDF

    v7 v8  
    1414
    1515||=Data field=||=DF NUMBER=||=DATA TYPE=||=NO. OF BITS=||=NOTES=||
    16 || Satellite system   || || uint5  ||  5 || 0 == GPS, 1 == GLONASS, 2 == Galileo, 3 = SBAS, 4 = QZSS, 5 = BDS ||
    17 || Satellite number   || || uint6  ||  6 || Satellite ID, specific for the satellite system always 6 bits (see table below) ||
    18 || Epoch Time         || || uint30 || 30 || Epoch time, specific for the satellite system always 30 bits (see table below) ||
    19 || Signal Type        || || uint5  ||  5 || Signal type specification, index from MSM signal mask bit field (see DF395) ||
    20 || Frame Data Size (N)|| || uint12 || 12 || Number of bits to follow ||
    21 || Frame Data         || ||        ||  N || Bit data from satellite (see data section below) ||
     16|| Satellite system    || || uint5  ||  4 || 0 == GPS, 1 == GLONASS, 2 == Galileo, 3 = SBAS, 4 = QZSS, 5 = BDS ||
     17|| Satellite number    || || uint6  ||  6 || Satellite ID, specific for the satellite system always 6 bits (see table below) ||
     18|| Continuous Tracking || || bit(1) ||  1 || Tracking this satellite frame data was continous (1 = continous, 0 not continues or unset) ||
     19|| Epoch Time          || || uint30 || 30 || Epoch time, specific for the satellite system always 30 bits (see table below) ||
     20|| Signal Type         || || uint5  ||  5 || Signal type specification, index from MSM signal mask bit field (see DF395) ||
     21|| Frame Data Size (N) || || uint12 || 12 || Number of bits to follow ||
     22|| Frame Data          || ||        ||  N || Bit data from satellite (see data section below) ||
    2223||||
    2324||=TOTAL=|| || || 48 + N || ||