- I have a new wrist watch that, besides telling time, also has an
altimeter function (as well as temperature, compass direction, chrono,
alarm, and some other useful(?) features.) It was only $80 (on sale) on
the internet. Aren't modern toys wonderful?
However, in order for the altimeter to be useful it must be calibrated
by setting the barometric pressure function - and to do that I need to
know what the barometric pressure is at the location where the setting
is taking place. I am sure the ideal place to obtain that information
would be the airport, and I intend to go there and try and find out in
the near future. But, in the meantime, does anyone know any other
location where I might get barometric pressure information? Or
alternately, the exact altitude of some Central Valley location?
- You can try here
Or, if someone you know has a GPS, you can get a pretty good altitude
reading from that. Too bad I don't wear a watch. At $80.00 that sounds
like a great deal.
> alternately, the exact altitude of some Central Valley location?Google Earth gives altitudes and most of the central valley is in hi
At 12:00 pm CST the barometric pressure at San Jose was 29.93 in mercury. This
can be found at almost all weather sites on the internet. Got this from The
Weather Channel http://weather.yahoo.com/forecast/CSXX0009_f.html. If you need
a different measurement system there can be found several on the internet.
Hope this helps,
- some wrist watches with altimiters can be calibrated at sea level without knowing the barometric pressure. it might mention in the instructions this possibility. i have had two watches with altimeters both fairly inexpensive and they could be calibrated at sea level. just an idea.
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