Antenna's

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AIS

Automatic Identification System, see Wikpedia.

Antenna position requirements:

  • as high as possible
  • allround clear 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 clear view at horizon
  • as low as possible - GPS has such high accuracy that high in a moving mast gives a nervous reading
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