Furuno FM-8700 manual RMC Recommended minimum specific GPS/TRANSIT data

RMC - Recommended minimum specific GPS/TRANSIT data

$--RMC,hhmmss.ss,A,llll.lll,a,yyyyy.yyy,a,x.x,x.x,xxxxxx,x.x,a,a*hh<CR><LF>

									+---	10
									+-----	9
									+--+-------	8
								+	--------------- 7
							+	---------------------	6
						+	-------------------------		5
				+---	+----------------------------				4
		+---	+	----------------------------------------					3
	+	---------------------------------------------------							2
+	----------------------------------------------------------								1

1.UTC of position fix

2.Status: A=data valid, V=navigation receiver warning

3.Latitude, N/S

4.Longitude, E/W

5.Speed over ground, knots

6.Course over ground, degrees true

7.Date: dd/mm/yy

8.magnetic variation, degrees E/W

9.Mode indicator(see note)

10.Checksum

NOTE Positioning system Mode indicator:

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

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

						+	--------- 7
					+	-----------	6
				+	--------------		5
			+	------------------			4
		+	----------------------				3
	+	-------------------------					2
+	---------------------------------						1

1.UTC

2.Day, 01 to 31(UTC)

3.Month, 01 to 12(UTC)

4.Year(UTC)

5.Local zone hours, 00h to +-13h

6.Local zone minutes, 00 to +59 as local hours

7.Checksum

A-13