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The Capn Voyager, How accurate?
I was playing with my GPS yesterday (rainy day) and had it wired to my
laptop, running Capn 6.1. I noticed that the GPS was displaying the Long. and Lat. to three (3) decimal places while The Capn, was displaying it to 3 decimal places, the least significate digit was always zero. There didn't appear to be any 'rounding' either. However, The Capn cursor coordinates were always shown to a three decimal place precision. I should think, that if the program is going to display the vessel position to only two decimal places of accuracy, they shouldn't display that third digit as a zero. In engineering drawings, that third digit would indicate that all accuracy should be assumed to the third decimal place. I suspect that since the decimal digit is simply dropped, there is no such degree of accuracy. My "lesson learned", if I need high accuracy, I will look at the GPS display, and ignore the Capn. BTW. In this observation, I'm using a standard GPS without any external enhancements. My observation and opinions, FWIW. Steve s/v Good Intentions |
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