Oh, if you have an iPhone or iPad (or iPod Touch), there's the $9.99 GoSatWatch, which ought to be easier than crunching numbers and more portable than something on a laptop.
> On Jan 12, 2016, at 06:57, Richard L. Hamilton <rlha...@smart.net> wrote: > > STK is _the_ commercial satellite tracking program, advanced versions do > everything (look angle, coverage, maneuvering info, everything); but it's > expensive (although there's a free license for a limited version), it only > runs on Windows, and they will send you email forever. > > Within MacPorts, there's xephem (although in MacPorts it's 3.7.4, should be > updated to 3.7.7); it can plot every astronomical object, and satellites too, > showing either sky views from specific locations, or tracks. xephem is > X11/Motif based (runs on anything where those can be used). Google for it to > find its web site (it's not the most obvious to use until you get used to it) > including screenshots and where to get satellite data. > >> On Jan 10, 2016, at 21:57, Charles Phillips <char...@spaceflightresearch.net >> <mailto:char...@spaceflightresearch.net>> wrote: >> >> All - >> >> This is probably a simple question to answer, but I have not stumbled across >> the answer yet. >> >> I have installed GPredict (satellite tracking program) on a number of Mac >> computers (starting with my Powerbook G4 and most lately on my Mac Mini and >> my MacBook Pro) and have been looking for a program that would easily allow >> me to plot orbital parameters. I follow satellites. >> >> Right now I use Numbers for some, and have struggled with Excel. I need a >> flexible program that allows me to enter some columns of data (perigee, >> apogee, inclination, etc) and graph them again time of the orbital >> description (I use Two Line Element sets from the U.S. Air Force). >> >> I looked in the "Math" category and have not managed to find anything. >> MacPorts does not have a way to search for "graphing utilities" that I have >> found?? >> >> I briefly tried to use a neat program called Plot2 that I ran across but I >> could not get any support. >> >> There must be a ported Unix application out there that I just have not run >> across yet?? >> >> Charles Phillips >> Spaceflight Research, LLC >> Houston, Texas >> 713-882-4578 >> >> _______________________________________________ >> macports-users mailing list >> macports-users@lists.macosforge.org >> <mailto:macports-users@lists.macosforge.org> >> https://lists.macosforge.org/mailman/listinfo/macports-users > > _______________________________________________ > macports-users mailing list > macports-users@lists.macosforge.org > https://lists.macosforge.org/mailman/listinfo/macports-users
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