[amsat-bb] Re: TLE distiller / generator

Alan wa4sca at gmail.com
Mon Jan 27 04:25:49 PST 2014


There are some programs to sort and filter Keps here:


Over time, as version of Windows have changed, they have stopped working on at least some of my
machines.  For instance, SORTNENG will not work on my WIN7 machine with an AMD chipset, but works on
my other WIN7 machine with an Intel chipset.

I have a batch file which does a lot of filtering and copying to different directories.  To accomplish
a merge and sort, I merge with a simple:


Than I sort them using a technique which Paul, KB5MU suggested, using GREP.  If you don't have it on
your computer, there are lots of free versions.

GREP -A 2 AO-07 KEP.NEW    >   %1
GREP -A 2 AO-16 KEP.NEW   >>   %1
GREP -A 2 AO-27 KEP.NEW   >>   %1
GREP -A 2 FO-29 KEP.NEW   >>   %1

The %1 is a file name which I pass to the batch file, but you could easily hard code it.  You MAY have
a problem with some tracking programs if the same satellite appears in more than one list.




<-----Original Message-----
<From: amsat-bb-bounces at amsat.org 
<[mailto:amsat-bb-bounces at amsat.org] On Behalf Of Lizeth Norman
<Sent: Monday, January 27, 2014 3:14 AM
<To: &lt,amsat-bb at amsat.org&gt,
<Subject: [amsat-bb] TLE distiller / generator
<Hi all!
<What tools are available to work with TLE files? I'm looking for a tool
<that takes multiple files with TLE sets in them, and outputs 
<at least one
<file with a custom set of TLE's.
<Norm n3ykf
<Sent via AMSAT-BB at amsat.org. Opinions expressed are those of 
<the author.
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