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Magellan NAV 600082
1 2 3 4 5 6 7 8 910 11
GSV,x,x,xx,xx,xx,xxx,xx..........xx,xx,xxx,xx*hh<CR><LF>
1 Total number of messages, 1 to 3
2 Message number, 1 to 3
3 Total numer of satellites in view
4 Satellite PRN number
5 Elevation, degrees, 90° maximum
6 Azimuth, degrees True, 000 to 359
7 SNR (C/No) 00-99 dB, null when not tracking
8-9 2nd-3rd SV
10-11 4th SV
Notes: 1) Satellite information may require the
transmission of multiple messages. The first field
specifies the total number of messages, minimum
value 1. The second field identifies the order of
this message (message number), minimum value 1.
2) A variable number of “PRN-Elevation-Azimuth-
SNR” sets are allowed up to a maximum of four sets
per message. Null fields are not required for
unused sets when less than four sets are transmit-
ted.
RMB Generic Navigation Information (immediately follows
RMC)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
RMB,A,X.XX,a,c--c,c--c,1111.11,a,yyyyy.yy,a,x.x,x.x,x.x,A *hh
1 Data Status (A = valid, V = invalid)
2-3 XTE, naut. miles and direction to steer (L or
R) [If XTE exceeds 9.99 NM, display 9.99 in
field 2.]
4 Origin waypoint ID
5 Destination waypoint ID
6-7 Destination Waypoint Latitude (N or S)
8-9 Destination Waypoint Longitude (E or W)
10 Range naut. miles, present fix to destination
waypoint Great Circle. [If range exceeds 999.9
nm, display 999.9.]
11 Bearing, True, Great Circle, Present fix to
dest. waypoint
12 Closing velocity to destination, knots
13 Arrival (OR’ed arrival circle and crossing of
line which is perpendicular to the course line
and which passes through the destination
waypoint.)
14 CHECKSUM (Mandatory in this sentence.)