This block allows to input ground station name, location and visibility mask for other simulation blocks.
This block allows to input ground station name, location and visibility mask for other simulation blocks. It also converts all the angle values from degrees (convinient for input) to radians (used by simulation blocks).
Output: 4x1 double (latitude;longitude;alttude;mask)
Station name - Name of the ground location. It is currently not passed to the simulation, but allows user to label ground stations.
Station latitude - Latitude of the ground station in degrees. It should be a real number between -90 and 90 degrees. Positive values indicate northern hemisphere.
Station longitude - Longitude of the ground station in degrees. It should be a real number between -180 and 180 degrees. Positive values indicate locations towards east from Prime Meridian.
Station altitude - Altitude of the ground station in meters measured from the mean sea level.
Station mask - Value in degrees indicating how high above the horizon an object has to be to be visible from this ground station. This allows to take into account obstacles. Normally this should be a value not lower than 0 degrees and lower than 90 degrees. However, values as low as -90 degrees are alowed for special cases (eg. Sun has angular diameter of 0.5 degrees so value "-0.25" can be used to calculate begining of the sunrise)
Station name = Houston
Station latitude [deg] = 29.7083
Station longitude [deg] = -95.3813
Station altitude [m] = 15
Station mask [m] = 5
macros/GROUND_STATION.sci
macros/AB_ground_station.sci
STATION_VISIBILITY - Aerospace Blockset block calculating access between ground station and satellite..
STATION_POINTING - Aerospace Blockset allowing to calculate azimut and elevation of any object over a ground station.