GNS 601 Manual page 13

GNS 601 StarterKit
Description of "NMEA" controls:
Control
NMEA output settings
NMEA output rate
DGPS mode
Geodetic datum
Clear
Log NMEA
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Comment
This control allows to select the output NMEA sentences based on the
NMEA data output rate of 1Hz. For example: GGL (0); RMC (1); VTG(1);
GSA(1); GSV(5); GGA(1); ZDA(0); MCHN(0) initiate an NMEA data
output of GSA;GSV;GGA sentence every second and GSV every 5
seconds.
MCHN is an MTK specific sentence, which shows the GPS channel status.
Changes the COM port output bit rate to the value which is selected at
the drop-down menu in bps.
To increase position accuracy, two types of correction data can be
injected to the GPS receiver.
SBAS: SBAS satellites (WAAS, EGNOS, MSAS, GAGAN and QZSS)
provides the GPS receiver differential corrections and integrity messages
that are within sight of a network of reference stations deployed across
an entire continent. The receiver will acquire SBAS signal after
calculation of position fix.
RTCM: A network of located beacons provides the differential data.
Geodetic datum and the coordinate reference systems are based on
them were developed to describe the geographic position for surveying,
mapping and navigation. The relationship between local and the global
geocentric coordinate system is defined as geodetic datum. The global
WGS1984 geoid model is set as default.
Erase communication windows data.
Opens Windows Explorer to select Log Directory for NMEA- data.
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© GNS-GmbH 2013
V 0.10, Mar. 8th 2013
manual
13