Furuno SC-60 User Manual download pdf (Page 75)

APPENDIX A

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VTG - Course over ground and ground speed

COG and SOG obtained by processing the GPS signals.

$GPVTG, x.x, T, x.x, M, x.x, N, x.x, K, p*hh<CR><LF>

Positioning mode indicator*

Speed, km/h

Speed, knots

Course degrees magnetic

Course degrees true

*A = Autonomous, D = Differential, E = estimated(dead reckoning), M = Manual input, S = Simulator,

N = Data not valid. The Mode indicator field supplements the Status field. The Status field shall be

set to V=invalid for all values of Operating Mode except for A=Autonomous and D=Differential. The

positioning system Mode indicator and Status field shall not be null fields.

ZDA - Time and date

UTC, day, month, year and local time zone.

$GPZDA. hhmmss.ss, xx, xx, xxxx, xx, xx*hh<CR><LF>

Local zone minutes description, same sign as local hours

Local zone description 00 h to ± 13 h (see note)

Year

Month, 01 to 12

Day, 01 to 31

UTC

NOTE - Zone description if the number of whole hours added to local time to obtain GMT. Zone

description is negative for east longitudes.

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Furuno SC-60 User Manual Page 75