Hi Brent,
I found my old TI 59 PPX program to calculate the look up angle. To have a
look at the math and the program steps go to this personal website folder.
http://www3.telus.net/public/rtbailey/SML/ . There are two pdf files in this
folder, 47 kb and 153 kb, too big to attach to this letter.
LookUpAmgle1 is three pages with diagrams and the mathematical steps. The
diagrams help explain the mathematical steps.
LookUpAnglePPX is seven pages and includes the program steps and a couple
examples. If anyone is really interested and still has a functioning TI 59,
I will mail the little magnetic strip with the program on request.
Although this programmable calculator program was written 30 years ago, the
math outlined is still valid. This could be rewritten to solve for your
longitude and reprogrammed for modern use. I expect there are many examples
available on the web.
Regards,
Roger Bailey
Walking Shadow Designs
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From: "Brent" <[email protected]>
Sent: Friday, December 10, 2010 6:22 PM
To: "Sundial List" <[email protected]>
Subject: re: stop the earth
I was playing with satellite look angle calculator today.
http://www.intelsat.com/resources/satellitedata-pas/calc-look-angle.asp
You chose the satellite you want to work with and then plug in your
latitude and longitude and it will calculate the azimuth and elevation for
you.
I think the math behind this program would work for my navigation if we
could run it backwards.
Input the satellite I was looking at, input the azimuth and the elevation
at the location and then the calculator would return with latitude and
longitude.
Do you think this would work?
Does anyone know the math behind these calculators?
Thanks again;
brent
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