Specifications

Command/Response Formats 177
Commands
where n = number of satellites used to compute a position
Example:
Query: $PASHQ,RRE <enter>
Response: $GPRRE,04,23,8.4,28,-9.2,11,-2.2,17,3.2,34.4,49.7*0A
<enter>
Table 6.112: RRE Message Structure
Parameters Description Range Units
d1 Number of satellites used to compute position 3 - 12 n/a
d2 Satellite number (PRN Number) 1 - 32 n/a
f3 Range residual ± 999.9 meter
f4 RMS Horizontal position error 0 - 9999.9 meter
f5 RMS Vertical position error 0 - 9999.9 meter
*cc Checksum
Table 6.113: Typical RRE Message
Item Significance
04 Number of SVs used to compute a position
23 PRN number of the first SV
8.4 Range residual for the first SV
28 PRN number of the second SV
-9.2 Range residual for the second SV
11 PRN number for the third SV
-2.2 Range residual for the third SV
17 PRN number for the fourth SV
3.2 Range residual for the fourth SV
34.4 Horizontal position error
49.7 Vertical position error
*0A checksum