[Xastir-dev] Davis Weather Station Corrections/hacks
Curt, WE7U
archer at eskimo.com
Mon Mar 14 17:22:13 EST 2005
On Sun, 13 Mar 2005, Clay Jackson wrote:
> The formula for Dew Point is inolves a whole bunch of steps (finding the
> vapor pressure, then the max vapor pressure, then the difference; some
> stuff with natural logs) and so I was wondering if Xastir already had
> support for some sort of table (there are lots of dewpoint tables
> available, it's basically a 100 x 100 matrix).
Nope. No support for tables that I know of. There aren't any
formulas for computing these that the tables were derived from?
> Also, the three hour barometer is an interesting problem - I was
> thinking of building a table of pressures and times and then just taking
> the value that was 3 hours old every time I got a new report. Again,
> any sort of table/list/array handing already built into Xastir would be
> good.
Again, a formula would be better than some tables. If possible.
--
Curt, WE7U. APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto: A tax on people who are bad at math." -- unknown
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