Spectra-precision ProMark 800 Reference Manual Manual de usuario descargar pdf (Pagina 413)

100

101

401

Output Message Library

Reminder on How

to Output SNG

Messages

Use the $PASHS,RAW command with the syntax below:

$PASHS,RAW,SNG,<port_ID>,ON,<Rate>

For more details on the $PASHS,RAW command, refer to the

Set Command Library Chapter.

As an example, the command below will output SNG

messages on port A at a rate of 15 seconds:

$PASHS,RAW,SNG,A,ON,15

SNV: GPS Ephemeris Data

This message contains the GPS ephemeris data for one

satellite.

The message is as follows:

$PASHR,SNV,<structure>

The message’s binary structure is described in the table

below.

Type Name Size Contents

Short Wn 2 GPS week number

Long Two 4 Seconds in GPS week

Float Tgd 4 Group delay (sec)

Long Aodc 4 Clock data issue

Long Toc 4 Clock data reference time (sec)

Float af2 4 Clock correction (sec/sec2)

Float af1 4 Clock correction (sec/sec)

Float af0 4 Clock correction (sec)

Long Aode 4 Orbit data issue

Float Dn 4 Mean anomaly correction (semicircles/sec)

Double M0 8 Mean anomaly at reference time (semicircles)

Double e 8 Eccentricity

Double A1/2 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 (meters)

Double omega0 8 Longitude of ascending node (semicircles)

Double omega 8 Argument of perigee (semicircles)

1 2 ... 408 409 410 411 412 413 414 415 416 417 418 ... 427 428

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