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With a LOC resource record is assigned to a name a precise position indication. Over lengthening, spreading and elevator data accurately a geometrical place is determined. In order to make also spatially expanded local definitions possible, a virtual ball can be defined by indication of a radius around this point.

As coordinate system as with the government inspection department the WGS84 is used.

LOC RRs can be used for example, in order to pursue the way of a IP package geographically. The specification documented 1876 in the RFC.

Structure

Name name of the article, the map reference beziehtTTL indicates itself, like for a long time this entry in the Cache to be held darfIN to InternetLOCd1 m1 s1 N/S degree of latitude in degrees, minutes, seconds, north or m2 s2 O/W degree of longitude in degrees, minutes, seconds, east or west height height over Normalnull in centimeters - negative values are erlaubtRadiushp horizontal Fehlerabweichungvp vertical error deviation

Characteristics

  • m1, s1, m2 and s2 may be omitted. In this case they are accepted with 0.
  • Behind height, radius, hp and MP may be inserted the letter m (meter)
  • Radius, hp and MP are optional

Example

server1.example.com 3600 IN LOC 34 15 28 S 72 8 0 W -5m 

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