Seatex DPS 132 Installation Manual, rev. 0 Installation
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s Longitude sector, E - East or W - West.
q GPS Quality indicator: 0 = Fix not valid, 1 = GPS available.
n Number of satellites in use, 0-9.
hhh HDOP - horizontal dilution of precision.
u Sign of antenna height above or below mean-sea-level.
aa Antenna height, 00-99.
M Altitude unit, M = meters.
u Sign of geoidal height.
ggg Geoidal height, 000-999.
M Geoidal height unit, M = meters.
*cc Checksum.
Table 10 GGA_1.5 message fields
GGA_MAG Message
The GGA_MAG message contains time, position and GPS data. The message is as specified
for Magnavox MX 4200 receiver. The message structure is as follows:
$GPGGA,hhmmss,ddmm.mm,s,dddmm.mm,s,q,n,hhh,aaa,M,ggg,M*ck
Table 11 describes the GGA_MAG message fields.
Field Description
hhmmss UTC time when last navigation (hours, minutes, seconds).
ddmm.mm Latitude (degrees, minutes).
s Latitude sector, N or S.
dddmm.mm Longitude (degrees, minutes).
s Longitude sector, E or W.
q GPS currently used for navigation: 0 = No, 1 = Yes.
n Number of satellites used in the fix, 1-9.
hhh HDOP - horizontal dilution of precision.
aaa Antenna height above ellipsoid.
M Antenna height units (meters).
ggg Geoidal height.
M Geoidal height units (meters).
*ck Checksum.
Table 11 GGA_MAG message fields
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