Cayman Systems 2E-H-W Bedienungsanleitung PDF herunterladen (Seite 8)

NMEA Manual based on MediaTek chipset - Manual

Type Description

Satellite ID (PRN) number

Satellite elevation, degrees 90 max

aaa

Satellite azimuth, degrees True, 000 to 359

Signal-to-noise ration (C/No) 00-99 dB-Hz. Value of zero means that the satellite is predicted to

be on the visible sky but it isn't being tracked.

1.7 GSA - DOP and Active Satellites

GPS receiver operating mode, satellites used in the navigation solution reported by the GGA sentence, and DOP

values.

Message starting with “$GNGSA” will be output in IT530M/UC530M default mode including both GPS and

GLONASS constellation satellite data, or in GLONASS only mode.

Example:

$GPGSA,A,3,02,21,30,04,16,05,10,12,31,29,,,1.33,0.81,1.06*02

Example IT530M/UC530M hybrid mode:

$GNGSA,A,3,26,21,16,22,18,06,19,15,30,03,07,08,1.03,0.55,0.87*1D

$GNGSA,A,3,78,71,80,86,65,79,88,87,72,,,,1.03,0.55,0.87*19

Format:

$GPGSA,a,b,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,p.p,h.h,v.v*hh<CR><LF>

Type

Description

Mode:

M = Manual, forced to operate in 2D or 3D mode.

A = Automatic, allowed to automatically switch 2D/3D.

Mode:

1 = Fix not available,

2 = 2D,

3 = 3D

ID (PRN) numbers of GPS satellites used in solution

p.p

PDOP

h.h

HDOP

v.v

VDOP

1.8 VTG – Course Over Ground and Ground Speed

Course and speed.

Example:

$GPVTG,0.00,T,,M,0.00,N,0.00,K,A*3D

Format:

$GPVTG,h.hh,T,m.m,M,s.ss,N,s.ss,K,M*hh<CR><LF>

Type Description

h.hh

Heading in degrees.

Letter 'T' denoting True heading in degrees.

m.m

Magnetic heading in degrees.

Letter 'M' denoting Magnetic heading in degrees.

s.ss

Speed in knots.

Letter 'N' denoting speed in knots.

s.ss

Speed, km/h.

UBX-13003181 - R16 Early Production Information Page 8 of 41

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