What Are Geostationary Satellites?

The precise altitude position of the geostationary satellites is in the region of 3600 kilometers above the earth's equator

. The term geostationary originates from the statement that such satellites appear to be instinctively stationary from the view of the earth's surface. The orbital conduit of the satellite is named to be Clarke Belt, giving honor to the belated Arthur C. Clarke.

The use of geostationary satellites can be done through a connection via the directional antenna. It is a petite antenna dish, directed at the position of the floating satellite in the sky. Such antenna dishes can be permanently fixed at one location and they are way cheaper, in comparison to tracking antennas. One satellite may have coverage up to approximately 40 percent of the earth's surface. If three satellites are used and separated at 120 degrees each, they can cover the entire earth's surface area, minus the inevitable omission of circular areas at the north and south poles that aid in the meteorological researches.

The use of the dish antennas can significantly reduce any interventions of the signal from other satellites or any earth-based sources. The standard known life span of the geostationary satellites is deemed to be between ten to fifteen years. The orbital section of the satellite involves only a fine loop in the equator's plane thus only a meager number of satellites can be positioned within this range, not stimulating communal collisions or conflicts.

The specific hovering location of the satellites may fluctuate slightly over a 24-hour period and it occurs due to the gravitational interference of the sun, earth, satellite, moon and other existing planets. The use of geostationary satellites for radio signals will involve approximately a quarter of second for a two-way trip, causing a diminutive pause. Such short interval of wait may result in troubles of the interactive contact such as telephonic conversation. In fact, these satellites have undergone transformation into an imperative tool for television broadcasting, global communication, weather and meteorological forecasting, aside from several intelligence applications and significant defense.

What Are Geostationary Satellites?

By: Stuart Michael M

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