ashtech G12 - SNV: Satellite Ephemeris Data

123
Commands
MBN: Raw Measurements (Ashtech Type 2 Data Structure)
$PASHS,RAW,MBN
Enables/disables raw measurement data (MBN) messages. The structure is
$PASHS,RAW,MBN,c1,s2[,f3]
where the parameters are as defined in Table 4.59
$PASHQ,MBN,[c1]
This command queries raw satellite measurement data contained in the Ashtech
Type 2 data structure, where c1 is the optional output serial port. If a port is not
specified, the receiver sends the response to the current port.
$PASHR,MBN
This message does not output unless the receiver is tracking at least one satellite.
The MBN message contains measurement information for doppler, carrier phase,
and satellite transmit time, as well as satellite PRN number, signal strength,
elevation, and azimuth. A separate MBN message is output for each satellite being
tracked.
The format of the message is:
$PASHR,MBN,<Ashtech Type 2 data string + checksum>
where Type 2 data string is defined in Table 4.60.
Table 4.59. $PASHS,RAW,MBN Output Rate Range and Increments
Parameter Description Range
c1 Select output port A or B
s2 Enable port ON or OFF
f3 Optional update rate See Table 4.66 on page 134.
G12RevD.book Page 123 Tuesday, April 2, 2002 4:33 PM