APPLE
Encyclopedia
This article is about the satellite
APPLE. For the fruit
apple, see Apple
. For other uses see Apple (disambiguation)
. HI MY NAME IS gRANNY SMITH APPLE
The Ariane Passenger PayLoad Experiment (APPLE), was an experimental communication satellite with a C-Band transponder
launched by Indian Space Research Organisation
satellite
on June 19, 1981 by Ariane
, a launch vehicle
of the European Space Agency (ESA)
from Centre Spatial Guyanais
near Kourou
in French Guiana
. It was India
's first three-axis stabilised experiment
al Geostationary communication
satellite. On July 16, 1981, the satellite was positioned at 102° E longitude
. The 350 kg satellite served as testbed of the Indian telecommunications space relay infrastructure
despite the failure of one solar panel
to deploy. It was used in several communication
experiments including relay of TV programmes
and radio
networking. It was a cylindrical spacecraft measuring 1.2 meters in diameter and 1.2 meter high. Its payload
consisted of two 6/4 GHz transponders connected to a 0.9 meter diameter parabolic
antenna
. It went out of service on September 19, 1983.
Satellite
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....
APPLE. For the fruit
Fruit
In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...
apple, see Apple
Apple
The apple is the pomaceous fruit of the apple tree, species Malus domestica in the rose family . It is one of the most widely cultivated tree fruits, and the most widely known of the many members of genus Malus that are used by humans. Apple grow on small, deciduous trees that blossom in the spring...
. For other uses see Apple (disambiguation)
Apple (disambiguation)
The apple is a tree and its pomaceous fruit.Apple or apples may also refer to:- Companies :* Apple Inc., a consumer electronics and software company* Apple Corps, a multimedia corporation founded by The Beatles...
. HI MY NAME IS gRANNY SMITH APPLE
The Ariane Passenger PayLoad Experiment (APPLE), was an experimental communication satellite with a C-Band transponder
Transponder
In telecommunication, the term transponder has the following meanings:...
launched by Indian Space Research Organisation
Indian Space Research Organisation
The Indian Space Research Organisation is an independent Indian governmental agency established in 1969 for the research and development of vehicles and activities for the exploration of space within and outside of Earth’s atmosphere. Headquartered in Bangalore...
satellite
Satellite
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....
on June 19, 1981 by Ariane
Ariane 1
Ariane 1 is the first version of the Ariane launcher family. Ariane 1 was designed primarily to put two telecommunications satellites at a time into orbit, thus reducing costs. As the size of the satellites grew Ariane 1 gave way to the more powerful Ariane 2 and Ariane 3 launchers.- Vehicle...
, a launch vehicle
Launch vehicle
In spaceflight, a launch vehicle or carrier rocket is a rocket used to carry a payload from the Earth's surface into outer space. A launch system includes the launch vehicle, the launch pad and other infrastructure....
of the European Space Agency (ESA)
European Space Agency
The European Space Agency , established in 1975, is an intergovernmental organisation dedicated to the exploration of space, currently with 18 member states...
from Centre Spatial Guyanais
Centre Spatial Guyanais
The Guiana Space Centre or, more commonly, Centre Spatial Guyanais is a French spaceport near Kourou in French Guiana. Operational since 1968, it is particularly suitable as a location for a spaceport due to its proximity to the equator, and that launches are in a favourable direction over water...
near Kourou
Kourou
Kourou is a commune in French Guiana, an overseas region and department of France located in South America.Kourou is the location of the Guiana Space Centre, France and ESA's main spaceport.-Geography:...
in French Guiana
French Guiana
French Guiana is an overseas region of France, consisting of a single overseas department located on the northern Atlantic coast of South America. It has borders with two nations, Brazil to the east and south, and Suriname to the west...
. It was India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
's first three-axis stabilised experiment
Experiment
An experiment is a methodical procedure carried out with the goal of verifying, falsifying, or establishing the validity of a hypothesis. Experiments vary greatly in their goal and scale, but always rely on repeatable procedure and logical analysis of the results...
al Geostationary communication
Communication
Communication is the activity of conveying meaningful information. Communication requires a sender, a message, and an intended recipient, although the receiver need not be present or aware of the sender's intent to communicate at the time of communication; thus communication can occur across vast...
satellite. On July 16, 1981, the satellite was positioned at 102° E longitude
102nd meridian east
The meridian 102° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole....
. The 350 kg satellite served as testbed of the Indian telecommunications space relay infrastructure
Infrastructure
Infrastructure is basic physical and organizational structures needed for the operation of a society or enterprise, or the services and facilities necessary for an economy to function...
despite the failure of one solar panel
Photovoltaic module
A solar panel is a packaged, connected assembly of solar cells, also known as photovoltaic cells...
to deploy. It was used in several communication
Communication
Communication is the activity of conveying meaningful information. Communication requires a sender, a message, and an intended recipient, although the receiver need not be present or aware of the sender's intent to communicate at the time of communication; thus communication can occur across vast...
experiments including relay of TV programmes
Television
Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...
and radio
Radio
Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space...
networking. It was a cylindrical spacecraft measuring 1.2 meters in diameter and 1.2 meter high. Its payload
Maximum Take-Off Weight
The Maximum Takeoff Weight or Maximum Takeoff Mass of an aircraft is the maximum weight at which the pilot of the aircraft is allowed to attempt to take off, due to structural or other limits. The analogous term for rockets is Gross Lift-Off Mass, or GLOW...
consisted of two 6/4 GHz transponders connected to a 0.9 meter diameter parabolic
Parabolic antenna
A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves. The most common form is shaped like a dish and is popularly called a dish antenna or parabolic dish...
antenna
Antenna (radio)
An antenna is an electrical device which converts electric currents into radio waves, and vice versa. It is usually used with a radio transmitter or radio receiver...
. It went out of service on September 19, 1983.