Spectra-precision ProMark 800 Reference Manual Uživatelský manuál stáhnout pdf (Strana 415)

100

101

403

Output Message Library

Reminder on How

to Output SNW

Messages

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

$PASHS,RAW,SNW,<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 SNW

messages on port A at a rate of 15 seconds:

$PASHS,RAW,SNW,A,ON,15

float 3*4

Satellite ECEF velocity X’, Y’, Z’ coordinates

(m/s)

float 3*4 Satellite ECEF acceleration X’’,Y’’,Z’’ (m/s2)

float aGf0 4

Time offset between satellite time scale and

SBAS system time scale (seconds)

float aGf1 4

Time drift between satellite time scale and

SBAS system time scale (seconds)

long tow 4

Time within week in GPS time scale when

SBAS ephemeris was received

char wn 1

Week number in GPS time scale when

SBAS ephemeris was received

char prn 1 Satellite number (33 to 51)

Unsigned

short

Checksum 2

The checksum is computed by breaking the

structure into 34 unsigned shorts, adding

them together, and taking the least signifi-

cant 16 bits of the result.

Total 7 0

Type Name Size Contents

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