Properties (56)
Predicate | Object |
---|---|
gptkbp:instanceOf |
musician
|
gptkbp:application |
land surveying
maritime navigation aviation navigation |
gptkbp:broadcasts |
measured in microseconds
|
gptkbp:chartPosition |
not global
|
gptkbp:communicationEquipment |
amplitude modulation
high signal strength |
gptkbp:component |
requires regular maintenance
not widely used today cost-effective solution limited to coastal areas slave stations master stations not suitable for urban areas requires clear skies for optimal performance |
gptkbp:developedBy |
gptkb:U.S._Coast_Guard
|
gptkbp:evaluates |
up to 10-100 meters
|
gptkbp:firstIntroduced |
1950s
|
gptkbp:frequency |
high stability
|
gptkbp:geographicalFeature |
gptkb:Asia
gptkb:Atlantic_Ocean gptkb:North_America gptkb:Pacific_Ocean Europe |
gptkbp:hasExperienceIn |
Loran_receivers
|
gptkbp:historicalSignificance |
used_in_World_War_II
used_in_Cold_War |
https://www.w3.org/2000/01/rdf-schema#label |
Loran-C
|
gptkbp:internationalStudents |
ITU-R M.540-3
|
gptkbp:isIntegratedWith |
susceptible to interference
|
gptkbp:legacy |
predecessor_to_GPS
|
gptkbp:operatesIn |
low frequency range
|
gptkbp:operationalStatus |
decommissioned_in_the_U.S.
|
gptkbp:provides |
positioning information
|
gptkbp:publicPerception |
requires line of sight
affected by weather conditions affected by terrain requires specialized antennas |
gptkbp:regulatoryBody |
gptkb:Federal_Communications_Commission
gptkb:International_Telecommunication_Union |
gptkbp:releaseFormat |
pulsed signal
|
gptkbp:reliability |
high reliability
|
gptkbp:replacedBy |
GNSS
|
gptkbp:successor |
eLoran
|
gptkbp:timePeriod |
UTC
|
gptkbp:training |
minimal training required
|
gptkbp:trainingPrograms |
over the horizon
|
gptkbp:transmission |
100 kHz to 200 kHz
|
gptkbp:updates |
upgraded to eLoran
|
gptkbp:userBase |
fishing vessels
search and rescue operations commercial shipping military vessels private yachts |
gptkbp:uses |
time difference of arrival
|