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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 (AIS
data format)
•
!AIVDM => The !AIVDM dataset contains the received AIS data of
another ship
!PWDC: Proprietary Weatherdock message used by the
programming tool.
7.2
Integrated GPS antenna
Available on devices with „-IGPS-„ in name.
Abbildung 35-view of GPS antenna
GPS antenna with integrated pre-amplifier
• Type:
Quadrifilar helix
• Polarization:
Right Hand Circular Polarized (RHCP)
• 3dB beam width: min 135°
• Gain (zenith):
18dB
• Noise figure:
0.8dB
