Re: GPS Navigation for Ship - Single Receiver or Multiple Receivers?
From: Jacquelin Hardy (jachardy_at_videotron.ca)
Date: 06/09/04
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Date: Wed, 9 Jun 2004 16:06:45 -0400
Hi Yan,
onboard large ships, you will find 2 or three GPS, all located on the top
deck, above the wheelhouse. More and more frequently, one or 2 of these will
be a differential GPS, to get a better accuracy, around 3 meters. With GPS
alone, you get around 7 meters. The GPS are very rarely used in conjonction.
ONe is for the electronic chart, one for AIS (Automated Identification
System) and a spare.
Jacquelin Hardy
I work on ships.
"Yan.L" <waters@starhub.net.sg> a écrit dans le message de news:
df850db4.0406090812.4e8f7865@posting.google.com...
> Is one GPS receiver enough to get the precise position? Or we need to
> use multiple GPS receivers, for instance, four GPS receivers installed
> on bow, tail, port and starboard, respectively?
>
> If we use four GPS receivers, how to manipulate the GPS information
> collected by these four receivers to get the precise position of the
> ship?
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