Dish Network satellite map

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We are adjusting our code of applications that require the "Google Maps" for the new API version 3.0. Some features available in our applications may not work properly. Soon we will be fully adapted to the new version of the API required by "Google". Hopefully understanding of our users for the inconvenience caused.

It is the most practical and compact than competitors and you do not need a fast internet connection to use it. TrackingSat detects the city where you are and shows latitude, longitude and magnetic declination of the dish site. You can calculate at once the azimuth, azimuth magnetic, elevation and LNB skew from your city.

You can improve the accuracy of the results on your site by putting the mark on your home area. Drag and drop the marker to pinpoint the place. Zoom in for better accuracy.

Detailing the Results

Azimuth and elevation are angles used to define the apparent position of an satellite in the orbit, relative to a specific observation point. The observer is usually located on the earth's surface.

Azimuth

The angle of rotation (horizontal) that a ground based parabolic antenna must be rotated through to point to a specific satellite in a geosynchronous orbit. The azimuth angle for any particular satellite can be determined for any point on the surface of the earth giver the latitude and longitude of that point. It is defined with respect to due north as a matter of easy convenience.

By definition North is 0 deg, East is 90 deg, South is 180 deg and west is 270 deg. North can also be called 360 deg.

Note that you find a satellite by pre-setting the elevation accurately and then swinging the whole antenna boldly in azimuth till the signal locks up - so an approximate azimuth angle is normally sufficient.

Elevation

The upward tilt to a satellite antenna measured in degrees required to aim the antenna at the communications satellite. When aimed at the horizon, the elevation angle is zero. If it were tilted to a point directly overhead, the satellite antenna would have an elevation of 90 degrees.

When your dish is pointed low down near the horizon the elevation angle is only a few degrees. At low elevation angles, below 5 deg at C band and 10 deg at Ku band, the path through the atmosphere is longer and the signals are degraded by rain attenuation and rain thermal noise. Scintillation also occurs, particularly in hot humid weather. This causes increases and decreases in the signal level every several seconds for many hours, like the twinkling of a star.

When your dish is pointed almost straight up the elevation angle is nearly 90 degrees. Sites near the equator may require you to point to almost 90 deg elevation angle when the longitude of the satellite is similar to the longitude of the site location. In high elevation cases watch out for the possibility of rain water collecting in the dish.

Magnetic Declination

Magnetic Declination is the angle between the magnetic and geographical meridians at any place, expressed in degrees east or west to indicate the direction of magnetic north from true north.

When using Magnetic Declination values, keep in mind that when the declination is East or positive, you must subtract the declination value from the calculated true azimuth. When declination is West or negative, you must add the declination value to the calculated true azimuth.

The calculation of the magnetic declination is based on the work "The US/UK World Magnetic Model for 2010-2015" published by the National Geophysical Data Center and British Geological Survey Geomagnetism Group. This utility uses Google Maps API, World Magnetic Model 2010-2015 and a mathematical model to determine the magnetic declination of a place, in other words, the difference between true north and magnetic north. This is the standard method used by the Department of Defense United States, the Ministry of Defence of Britain, NATO and the Word Hydrographic Office in determining the magnetic declination. The magnetic declination value is accurate and I believe that this is the same model as used in most hand held GPS receivers. This widget uses the same algorithm and can be used to get the magnetic declination value for any place on Earth.

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