Posts: 1663
Location: Kodiak, AK | Do you mean sonar/GPS units, like you asked about in your other thread, or do you mean truely two sonars? I'm not sure why you'd want two sonar at one spot, but I'd advise against it for the interference of two pucks, and you just don't need two sonar units at one location.
Now if you're asking the same question you asked in your other thread about whether or not to have a dedicated GPS and a dedicated Sonar, that's up to you. I run a sonar/GPS combo at my bow and at my console. You can run two at one location if you have the room, and don't mind the battery usage.
As far as the arguement of "if you lose your GPS from your combo, then you have to swap the whole unit..." to that I reply that when you have a GPS or sonar issue, it's most always the GPS antenna or the sonar transducer. Not that you can't have an internal failure, but it's usually one of those external items that fails, so you just buy a new antenna ($200) or a new puck ($60) and you're back in action. And yes, I know the HDS has an internal antenna (I have an HDS8), but you can install an external LCG-4000 antenna which is more accurate and faster than the internal antenna. So I say do two if you want to, but the majority of guys run one and one.
Edited by esoxfly 2/3/2010 8:35 AM
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