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  • License: Freeware
  • Last update: 6 years ago
  • Total downloads: 146
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: luis emiliani (4 other programs)
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scripts default iconsatang (Scripts) Publisher's description

-calculation of satellite angles: elevation, azimuth, and also

-function angles=satang4(strSys1,latA,longA,longsat,strSys2,latB,longB)
-calculation of satellite angles: elevation, azimuth, and also relative azimuth and baseline orientation if input data
-belongs to two sites
-Digital satellite communications, 2nd Ed. Author Tri Ha, for satellite azimuth and elevation calculation
-http://williams.best.vwh.net/avform.htm#Rhumb for distance and relative azimuth between two coordinates
-tested using various satellites and earth stations, and using http://www.sfwx.com/softworks/geoBearing.html and
-differences are in part due to the selection of the earth radius and orbit heigth values, and also to possible mistakes in the
-code...please point them out
-strSys1: string: 'E' for longitude in degrees east, 'W' for longitude in degrees West. no negative values
-strSys2: string: 'GC' for GREAT CIRCLE , 'RH' for RHUMB (CONSTANT AZIMUTH: recommended for site diversity purposes)
-latXX: latitude of site A or B. + north, - south
-longXX: longitude of site A and B: following strSys1.
-longsat: longitude of subsatellite point, E or W according to srtSys
-angles: a structure containing:
- .elevation elevation angle to satelite,
- .azimuth azimuth to satelite
- .poltilt & poltilt_c feed rotation to compensate geographic position
-NOTE standing behind the antenna,
-rotation is CLOCKWISE for a station
-located east of the satellite meridian,
-and ANTICLOCKWISE for a station west of
-the satellite meridian
-poltilt_c is more reliable than poltilt.
- .Az_AB true course, azimuth in the direction of site B (rhumb line, constant azimuth)
- .distance distance between the two sites
- .baselineorientation for site diversity, BOA acording to ITU-R P618-8 definition.
-angles=satang4('E',-8.83,13.25,0) | angles=satang('E',-33.93,18.47,0)
-angles = |
- elevation: 71.2774 | elevation: 45.7078
- azimuth: 303.1005 | azimuth: 329.1038
-Meteosat satellite, cities of cape town and luanda.
-angles =
- elevation: 64.3472
- azimuth: 106.2730 Intelsat 8A, city of medellin
-geographical constants

System Requirements:

MATLAB 7.0.1 (R14SP1)
Program Release Status: Major Update
Program Install Support: Install and Uninstall

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