Orbit spectrum, also known as satellite spectrum, is a segment of a

radio spectrum The radio spectrum is the part of the electromagnetic spectrum with frequencies from 0 Hz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particula ...

that became available when

satellite A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotope ...

s are placed into

orbit In celestial mechanics, an orbit is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an object or position in space such as a p ...

. This spectrum is a limited resource for every country. In order to ensure optimum utilization of orbit spectrum, the national administrations of countries worldwide undertake regular monitoring exercises. This orbit spectrum is used by service providers to implement

satellite broadcasting A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotop ...

communication satellite A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. C ...

, and

weather satellite A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be polar orbiting (covering the entire Earth asynchronously), or ge ...

services. To ensure quality of services, this orbit spectrum must be used by service providers according to the terms and conditions approved by the respective government. Regulatory measures must be enforced. This practice of regulating the spectrum within the limits of permissions or

license A license (or licence) is an official permission or permit to do, use, or own something (as well as the document of that permission or permit). A license is granted by a party (licensor) to another party (licensee) as an element of an agreeme ...

s is part of spectrum management.

Missions

Orbit spectrum requires management which in turn needs effective spectrum monitoring exercises to enforce regulatory measures for ensuring legal usage of spectrum resource. Many examples of such spectrum monitoring exercises were undertaken by different

countries A country is a distinct part of the world, such as a state (polity), state, nation, or other polity, political entity. It may be a sovereign state or make up one part of a larger state. For example, the country of Japan is an independent, so ...

around the world.

India

Satellite spectrum usage is governed through specific technical and financial terms and conditions laid down in the licenses issued by the

Indian government The Government of India (ISO 15919, ISO: ; often abbreviated as GoI), known as the Union Government or Central Government but often simply as the Centre, is the Government, national government of the Republic of India, a federal democracy lo ...

, as per the provisions of Indian Telegraphy Act 1885 and Indian Wireless Telegraphy Act 1933.

External links

* Satellite television Radio spectrum {{space-stub