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Old 25 June 2011, 10:10   #11
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Not withstanding the comments of the others ... Codprawn always argued.
You're right. I thought he was very brave...
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Old 27 June 2011, 05:48   #12
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Don't forget you can buy a standalone GPS antenna, e.g. a Garmin GPS17 HVS which will connect to 12v and give out NMEA 0183 which you could connect direct to your DSC radio.
Last time I checked a price for one of them gaffer taping a new GPS72 to your A-frame would have been a cheaper option!

Other thing to check with a USB GPS dongle is that although a voltage regulator from your favourite electronics store would feed it a nice regulated 5V, I've seen a few that require software on the PC to run, so be careful and check it does actually throw NMEA out of the stick and not need the software that won't be on your radio to translate.....
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Old 27 June 2011, 05:59   #13
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a voltage regulator from your favourite electronics store would feed it a nice regulated 5V
Bear in mind the OP needed some detailed help in wiring the radio up to the 12v supply.
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Old 27 June 2011, 07:29   #14
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I'm not stupid.
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Old 27 June 2011, 07:44   #15
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dsc does have a significant advantage here (and elsewhere in the UK) even without a gps position, in that our local angling boats all sit permanently on ch8 and never listen to ch16. The local inshore fishermen have all but been wiped out by the common fisheries policy but they always listened on ch6 and again never went to ch16. DSC has the advantage that no matter what channel they may be parked up on it will grab their dsc radio and switch it to 16 whilst sounding an alarm to wake them up. A voice mayday will then be heard unlike if you went straight to voice without pressing the button. Sending a lat and long digitally is nice, esp for the CG and bigger boats, but a voice description of so many miles south of wherever means a lot more in a crisis situation to a prospective rescuer in a sportsboat.
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Old 27 June 2011, 08:29   #16
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I'm not stupid.
I apologise if you got the feeling I was saying you were. I simply thought it would help your cause to remind posters in this thread that buying a voltage regulator and adapting a non marine GPS device to suit a boat may not be your first option.
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Old 27 June 2011, 08:32   #17
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Ah fair enough
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Old 27 June 2011, 10:32   #18
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I simply thought it would help your cause to remind posters in this thread that buying a voltage regulator and adapting a non marine GPS device to suit a boat may not be your first option.

Which brings us back to a Garmin off ebay!

It wouldn't be my first option either, but as Pol had suggested it might be feasible and having come to the "garmin handheld" conclusion 3 years ago, I thought I would throw my findings into the pot. There was a USB dongle that talked NMEA, but like the NMEA antennae, Maxhar would likely be as cheap buying a handheld which would then give extra functionality and could be used for hiking / biking as well.
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