Antenna's
From NavykI
Revision as of 10:52, 6 March 2010 by 192.168.11.12 (talk) (New page: == AIS == Automatic Identification System, see [http://en.wikipedia.org/wiki/Automatic_Identification_System Wikpedia]. Antenna position requirements: * as high as possible * allround fr...)
AIS
Automatic Identification System, see Wikpedia.
Antenna position requirements:
- as high as possible
- allround free view at horizon
- minimum 3 meter horizontal distance to VHF antenna
- minimum 2 meter vertical distance to VHF antenna
VHF
Very High Frequency, see Wikipedia.
Antenna position requirements:
GPS
Global Positioning System, see Wikipedia.
Antenna position requirements:
- allround free view at horizon
- as low as possible - GPS has such high accuracy that high in a moving mast gives a nervous reading