Weatherdock easyTRX2 Handbuch Seite 102

User's Manual

GPGSA => The GPGSA dataset (SA=satellites active) contains
information regarding the PRN numbers of the satellites whose
signals are used for determination of the position.

GPRMC => The GPRMC dataset (RMC = recommended minimum
sentence) is a minimum recommendation a GPS receiver should
render.

GPVTG => The GPVTG dataset contains data regarding speed and
direction.

GPGGA => The GPGGA dataset is one of the most important data
sets containing time, position (including altitude) and quality of
the measurement.

GPGLL => The GPGLL dataset is a relic from times when only
LORAN-C navigational systems existed and contains the
geographical position. So to speak the GPS device emulates the
LORAN-C receiver.

GPGSV => The GPGSV dataset (SV=satellites in view) contains
information regarding satellites, which may currently be received
as well as information regarding their position, signal strength etc.
There may be up to three datasets, as the allowed number of
satellites is restricted to four per set (limitation to 82 characters).

!AIVDO => The !AIVDO dataset contains your own ship data

!AIVDM => The !AIVDM dataset contains the received AIS data of
another ship
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