Installation manual

Simrad SH80
148
851--164300 / C
Global Positioning System (GPS)
The SH80 can interface an external Global Positioning System
(GPS) via Ethernet or by a serial line using the NMEA 0183
standard for reception of the present vessel position. The system
will assume the position to be received in WGS84 datum.
The SH80 will receive the following NMEA telegram:
Geographical position
Actual course and speed relative to the ground
Global positioning system fix data
Time and date
Geographical position
$??GLLddmm.hh,N,dddmm.hh,W,hhmmss.ss,A<cr><lf>
where (from left towards right):
Component Content
?? Code for the system used.
OM = Omega, LC = Loran C etc
GLL Geographical latitude longitude
ddmm.hh,N Latitude position in degrees, minutes and hun-
dredths, N = North, S = South
ddmm.hh,W Longitude position in degrees, minutes and hun-
dredths, W = West, E = East
hhmmss.ss UTC time
A Status
Actual course and speed relative to the ground
$??VTG,x.x,T,x.x,M,x.x,M,,y.y,N,,<cr><lf>
where (from left towards right):
Component Content
?? Tal k e r
VTG Identifier code for the type of system used
x.x,T Track bearing, in degrees true
x.x,M Track bearing, in degrees magnetic
y.y,N Speed, with resolution 0.1 knots