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Old 04 April 2009, 11:33   #1
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How close can the radio be to the compass

I want to move the position of my radio because I can't see it when I'm out and about on the RIB. How close can the radio be to the compass?

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Old 04 April 2009, 12:45   #2
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alot depends on the particular compass ,the radio and the other equipment and accesorys on the boat ,it may be a trial and error .but i would try keep anything away from the compass,one of my biggest navigatonal mistakes and in a really bad fog [pre gps days]was that i placed the aux engine in the bow of my boat not thinking even though it was over 1.5 metres away from the compass it set it out by 10 deg ,i have used my hand held near mine and it only seems to fluctuate a few deg only whilst transmitting so even the batterys dont effect it normally ,i know of people that have left a torch on the console and thats put the compass out by a lot .
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Old 04 April 2009, 12:58   #3
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It is a problem. I could do with moving the compass away from the console which is obviously impossible. Due to an implant I have, I effect the compass. If I stand too close it changes by a couple of degrees.

I was thinking of moving the compass down to under were the radio is now but it isn't the ideal place to use.
D'oh!
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Old 04 April 2009, 14:17   #4
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You could go the whole hog and have your ships compass 'swung' by a professional. Assuming that is, your compass has the required internal magnets to do the job. You would end up with the 'best' result available, (and a deviation card for what cannot be swung out) but make sure you don't move any kit to another place after it's been done! Not sure about the effects of your own internal magnet, but always wise to carry a hand bearing compass for a cross check amongst other things
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Old 04 April 2009, 14:37   #5
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I'd leave it setup as it is. Unless your getting it swung in which case you could stick it more or less wherever you want?
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Old 04 April 2009, 14:47   #6
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Thanks for the help lads. Think I will leave it where it but angle it up towards me and make a cover.


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Originally Posted by chewy View Post
I'd leave it setup as it is. Unless your getting it swung in which case you could stick it more or less wherever you want?
I've got into allot of trouble doing that mate
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Old 04 April 2009, 15:14   #7
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Bad Mr Singleton!
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Old 04 April 2009, 15:37   #8
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I really don't know what you mean old chap

On the original searider console, where do you have the compass on there. Looking at Matt H's latest creation it must be a hand held?

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Old 04 April 2009, 15:41   #9
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I had my Compass next to the Radio in my last two boats. In my situation I think there was minimal deflecsion. Trouble is there is so much in consoles that can affect a compass it's difficult to give you any sound advice.

My theory is that even if the compass is out a little 10 - 15 degrees it shouldn't make that much difference on a RIB unless things are dead calm. It's usually too difficult to use a compass in most sea states.
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Old 04 April 2009, 17:51   #10
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i have even know a compass to be accurate ,then switch on the nav lights at dusk and out goes the needle by 5 deg especially if the switch and wiring is near it ,and i would agree with Hightower keeping a boat on course within 10 deg unless its dead calm .
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