findeph15.txt

gpstk1.5的有关内容 对于刚刚接触gps有一定的帮助 很有用的啊

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Broadcast Ephemeris (Engineering Units)

PRN : 15

              Week(10bt)     SOW     DOW   UTD     SOD   MM/DD/YYYY   HH:MM:SS
Clock Epoch:  1360( 336)  216000   Tue-2    31   43200   01/31/2006   12:00:00
Eph Epoch:    1360( 336)  216000   Tue-2    31   43200   01/31/2006   12:00:00
Transmit Week:1360
Fit interval flag :  0

          SUBFRAME OVERHEAD

               SOW    DOW:HH:MM:SS     IOD    ALERT   A-S
SF1 HOW:    208806  Tue-2:10:00:06   0x1C7      0     off
SF2 HOW:    208806  Tue-2:10:00:06    0xC7      0     off
SF3 HOW:    208806  Tue-2:10:00:06    0xC7      0     off

           CLOCK

Bias T0:       5.58477826E-04 sec
Drift:         5.91171556E-12 sec/sec
Drift rate:    0.00000000E+00 sec/(sec**2)
Group delay:  -2.32830644E-09 sec

           ORBIT PARAMETERS

Semi-major axis:         5.15370655E+03 m**.5
Motion correction:       4.89556106E-09 rad/sec
Eccentricity:            9.35519312E-03
Arg of perigee:          2.54591534E+00 rad
Mean anomaly at epoch:  -1.12295671E+00 rad
Right ascension:         2.51209679E+00 rad     -8.32106089E-09 rad/sec
Inclination:             9.58186633E-01 rad     -4.94663462E-10 rad/sec

           HARMONIC CORRECTIONS

Radial        Sine:  -3.94062500E+01 m    Cosine:   2.49156250E+02 m
Inclination   Sine:  -4.65661287E-08 rad  Cosine:  -1.34110451E-07 rad
In-track      Sine:   6.76140189E-06 rad  Cosine:  -2.19792128E-06 rad

           SV STATUS

Health bits:   0x00      URA index:    0
Code on L2:    P only      L2 P Nav data:          on