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Recent reviews for this item:
The Happy Hippy, August 31, 2010 The Holux GM-210 works great for the application I am using
it for. I have had it for two years, with no problems,
Note: It helps to read the instructions. For example, when
I first started using it, the LED came on and stayed on,
for a while. Then it started blinking. I thought that
meant it was broken or malfunctioning. But after reading
the instructions, I discovered, wonder of wonders, the the
blinking was normal when it was warmed up an functioning
I use it for input to a program I wrote that records the
latitude and longitude, and then converts them inot a form
readable by AutoCAD, which then draws a map. The GM-210 is
excellent for this purpose. It also works fine for
navigating on my sailboat. Very accurate.