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Concept
Radiodetermination
Summary
As defined by FS-1037C and ITU Radio Regulations, radiodetermination is:
"the determination of the position, velocity or other characteristics of an object, or the obtaining of information relating to these parameters, by means of the propagation properties of radio waves."
There are two main fields to radiodetermination:
radionavigation: "used for the purposes of navigation, including obstruction warning", which is mainly active;
radiolocation: "used for purposes other than those of radionavigation", which is mainly passive.
Radiotriangulation.jpg| [[Triangulation]] using radiodetermination
British Post Office interference finding truck 1927.jpg|British Post Office mobile RDF, 1927
NSGA Galeta Island Site.jpg|Direction-finding system [[Galeta Island (Panama)|Galeta Island]]
Pelengator.jpg|Direction finder with direction-finding aerial
Radiodetermination service is – according to Article 1.40 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «A radiocommunication service for the purpose of radiodetermination.»
This radiocommunication service is classified in accordance with ITU Radio Regulations (article 1) as follows:
Radiodetermination service (article 1.40)
Radiodetermination-satellite service' (article 1.41)
Radionavigation service (article 1.42)
Radionavigation-satellite service (article 1.43)
Maritime radionavigation service (article 1.444)
Maritime radionavigation-satellite service (article 1.45)
Aeronautical radionavigation service (article 1.46)
Aeronautical radionavigation-satellite service (article 1.47)
Radiolocation service (article 1.48)
Radiolocation-satellite service (article 1.49)
A radiodetermination station is – according to article 1.86 of the International Telecommunication Union ́s (ITU) ITU Radio Regulations (RR) – defined as "A radio station in the radiodetermination service.""
A radiodetermination station uses reception of radio waves in order to determine the location of an object, under the condition that this thing is reflecting and/or transmitting radio waves.
Official source
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