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Old 06-24-2010, 10:32 AM   #1
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Default How to buy a GPS

I would like to buy a PDA or GPS and be able to read charts, determine wind speed and boat speed. I read in an old article someone had a Compaq IPAC PDA and it was gps compatible. Can anyone tell me what they are using for a handheld version?
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Old 06-24-2010, 03:20 PM   #2
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A HH GPS would provide chart and SOG

A unit that had a NMEA 0183 port could be connected to a wind speed sensor

Here are the Garmin units

https://buy.garmin.com/shop/shop.do?cID=161
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Old 06-25-2010, 07:17 AM   #3
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There are iPhone apps that provide that data. The Navionics chart app utilizes the iPhone's GPS and covers just about everything you might want from a handheld GPS device. The iPhone's "Wind Meter" app provides wind velocity by listening to the sound of the air movement over the iPhone's microphone. How accurate that is, I can't say, but it's an ingenious way to get the data without an external sensor. I love mine.
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