4. INSTALLATION

GLL: Latitude and longitude

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

 

+-------

6

+---------

5

+

-----------

4

+

----------------

 

3

+------

+

-----------------------

 

2

 

+---

+

-----------------------------------

 

 

1

 

 

1.Latitude, N/S

2.Longitude, E/W

3.UTC of position

4.Status: A=data valid, V=data invalid

5.Mode indicator (see note)

6.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.

4-12

Page 58
Image 58
Furuno NX-700B manual GLL Latitude and longitude