Tri-M Systems FV-25 GPS Receiver User Manual


 
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36+n*96 U4 Sub-frame 1 – WORD7
40+n*96 U4 Sub-frame 2 – WORD0
44+n*96 U4 Sub-frame 2 – WORD1
48+n*96 U4 Sub-frame 2 – WORD2
52+n*96 U4 Sub-frame 2 – WORD3
56+n*96 U4 Sub-frame 2 – WORD4
60+n*96 U4 Sub-frame 2 – WORD5
64+n*96 U4 Sub-frame 2 – WORD6
68+n*96 U4 Sub-frame 2 – WORD7
72+n*96 U4 Sub-frame 3 – WORD0
76+n*96 U4 Sub-frame 3 – WORD1
80+n*96 U4 Sub-frame 3 – WORD2
84+n*96 U4 Sub-frame 3 – WORD3
88+n*96 U4 Sub-frame 3 – WORD4
92+n*96 U4 Sub-frame 3 – WORD5
96+n*96 U4 Sub-frame 3 – WORD6
100+n*96 U4 Sub-frame 3 – WORD7
NOTE: 1. Sub-frame 1 – WORD0 ~ Sub-frame 3 – WORD7 contain the data
following the Hand-Over Word (HOW) in the navigation message. The data are from
the sub-frame 1 to sub-frame 3. More information about ephemeris data structure is
referred to ICD-GPS-200.
2. Sub-frame 1 – WORD0 ~ sub-frame 3 – WORD7 don’t include the data of the parity
bits. Hence, Bits 0 ~ 23 is used to locate the 24 bits of the data and Bits 24 ~ 31 are
the sign-extension of the data.