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Free-to-air. Free-to-air ( FTA) services are television (TV) and radio services broadcast in unencrypted form, allowing any person with the appropriate receiving equipment to receive the signal and view or listen to the content without requiring a subscription, other ongoing cost, or one-off fee (e.g., pay-per-view ).
This is a list of the free-to-air channels that are currently available via satellite from SES Astra satellites ( Astra 2E / 2F / 2G) at orbital position 28.2 °E, serving Ireland and the United Kingdom. Sky and Freesat use these satellites to deliver their channels. If one was to change providers between Sky and Freesat, one would not require ...
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The free-to-view system contrasts with free-to-air (FTA), in which signals are transmitted in the clear, without encryption, and can be received by anyone with a suitable receiving dish antenna and DVB-compliant receiver (although these services can include proprietary encrypted data services such as an EPG that is only available to reception equipment made for, or authorised by, the FTA ...
Free fall. In classical mechanics, free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it. An object in the technical sense of the term "free fall" may not necessarily be falling ...
e. Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. [1] It is also the contamination of the indoor or outdoor environment either by chemical, physical, or biological ...
The Ofcom Code on Sports and Other Listed & Designated Events is a series of regulations issued originally by the Independent Television Commission (ITC) then by Ofcom when the latter assumed most of the ITC's responsibilities in 2003, which is designed to protect the availability of coverage of major sporting occasions on free-to-air terrestrial television in the United Kingdom.
An air-to-air missile ( AAM) is a missile fired from an aircraft for the purpose of destroying another aircraft (including unmanned aircraft such as cruise missiles ). AAMs are typically powered by one or more rocket motors, usually solid fueled but sometimes liquid fueled.