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ashtech DG16 - Page 239

ashtech DG16
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Raw Data Commands 219
Raw Data Commands
double m0 8 Mean anomaly at reference time (semicircles)
double e 8 Eccentricity
double roota 8 Square root of semi-major axis (meters 1/2)
long toe 4 Reference time for orbit (sec)
float cic 4 Harmonic correction term (radians)
float crc 4 Harmonic correction term (meters)
float cis 4 Harmonic correction term (radians)
float crs 4 Harmonic correction term (meters)
float cuc 4 Harmonic correction term (radians)
float cus 4 Harmonic correction term (radians)
double
omega0
8 Longitude of ascending node (semicircles)
double
omega
8 Argument of perigee (semicircles)
double i0 8 Inclination angle (semicircles)
float
omegadot
4 Rate of right ascension (semicircles/sec)
float idot 4 Rate of inclination (semicircles/sec)
short
accuracy
2 User range accuracy
short health 2 Satellite health
short fit 2 Curve fit interval
char prnnum 1 Satellite PRN number minus 1 (0 to 31)
char res 1 Reserved character
checksum 2 The checksum is computed by breaking the structure
into 65 unsigned shorts, adding them together, and
taking the least significant 16 bits of the result
Total Bytes: 132
Table 7.20. $PASHQ,SNV Response Structure (Continued)
Field Bytes Content

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