Seapath 320
30
Man_techn_seapath320/rev.1
Figure 14 Location of system parts
3.2.1
GNSS antennas
For the GNSS antennas, consider the following:
•
The space above the antennas has to be free of obstructions of any kind. The antenna
should be protected from direct illumination of radar beams and other transmitting
antennas such as Inmarsat antennas. Seapath is more sensitive to blocking and
reflections (multipath) of GNSS signals than GNSS sensors which only utilise
pseudo-range data. This since Seapath also utilises carrier phase measurements for
heading determination, and both GNSS antennas need to see at least four common
satellites at the same time.
Caution
The GNSS antennas have to be mounted in such a way that
blocking of the GNSS signal I avoided.
•
In order to reduce problems due to multipath effects, the GNSS antennas have to be
mounted above the nearest deck at a height which is equal to the width of this deck
or higher.
•
The Antenna Bracket has to be mounted in such a way that torsion movement
relative to the ship's hull is kept at an absolute minimum.
Summary of Contents for Seapath 320
Page 1: ...Seapath 320 Technical Description ...
Page 22: ...Seapath 320 8 Man_techn_seapath320 rev 1 ...
Page 42: ...Seapath 320 28 Man_techn_seapath320 rev 1 ...
Page 50: ...Seapath 320 36 Man_techn_seapath320 rev 1 ...
Page 86: ...Seapath 320 72 Man_techn_seapath320 rev 1 6 1 Processing and HMI Units ...
Page 87: ...Technical Description Man_techn_seapath320 rev 1 73 ...
Page 88: ...Seapath 320 74 Man_techn_seapath320 rev 1 6 2 Antenna bracket ...
Page 89: ...Technical Description Man_techn_seapath320 rev 1 75 6 3 MRU and mounting bracket ...
Page 90: ...Seapath 320 76 Man_techn_seapath320 rev 1 ...
Page 91: ...Technical Description Man_techn_seapath320 rev 1 77 6 4 MRU junction box ...
Page 95: ...Technical Description Man_techn_seapath320 rev 1 81 6 7 6 U cabinet dimensions ...
Page 96: ...Seapath 320 82 Man_techn_seapath320 rev 1 ...
