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Kepler maths etc...



Hi,

I agree with Patrick's comments about James Miller's PLAN13 tracking 
program.  I have been using it for all my tracking since about 1985! 
The original code is in BBC BASIC which runs on a BBC Micro computer, 
which was popular in the UK during the last decade. However the code 
is exceptionally well documented, and may be converted to other 
dialects of BASIC, or other languages such as C or Pascal.

The original program is file a110.zip in the AMSAT FTP site -

ftp://ftp.amsat.org/amsat/articles/g3ruh/

It is also included it in a package on my own website.  The package 
is for  evaluating solar eclipses, and runs in QBASIC.  Although this 
is a specialised application of the PLAN13 program, much of the 
original code has been converted to QBASIC, and it would be fairly 
easy to expand the routines into a general tracking program.  I 
intend to do this sometime!

The package also includes a small BBC BASIC interpreter, which 
enables the original code to be run on a PC.

The URL is     www.users.zetnet.co.uk/clivew/

The package is SATILL.ZIP, and it's in the GENERAL SATELLITE  page.
 

-- 
73     

Clive    G3CWV

         Hitchin, North Hertfordshire, UK.       




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