[Xastir] Re: USGS DRG files no longer free.. (Tyler Allison)

[Curt Mills, WE7U]

On Mon, 6 Oct 2003, Tyler Allison wrote:

> Yes I know that part...but how do I get -121.000000 (or 121.0W) from this:
>
> >> Upper Left    ( 632249.045,5382177.092)  (121d12'24.93"W, 48d34'50.46"N)
> >> Lower Left    ( 632249.045,5305885.652)  (121d13'50.68"W, 47d53'40.68"N)
> >> Upper Right   ( 739487.845,5382177.092)  (119d45'17.40"W, 48d32'56.01"N)
> >> Lower Right   ( 739487.845,5305885.652)  (119d47'52.37"W, 47d51'48.94"N)
> >> Center        ( 685868.445,5344031.372)  (120d29'50.79"W, 48d13'27.20"N)
>
> Can I simply round 121d12'24.93W to 121W and call it a day?  That doesnt
> sound very accurate or correct.

Nope.

Bring up Xastir's Coordinate Calculator.

Type in "48 34 50.46N" and "121 12 24.93W".  Press Calculate.

You should see:

    "Decimal Degrees: 48.58068N  121.20692W"

as the first line in the output.

-- 
Curt Mills, WE7U                    hacker_NO_SPAM_ at tc.fluke.com
Senior Methods Engineer/SysAdmin
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