Marine Electronics Forum - How to buy a GPS

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View Full Version : How to buy a GPS

06-24-2010, 11:32 AM
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?

06-24-2010, 04:20 PM
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

Pez Vela
06-25-2010, 08:17 AM
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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