Before revision: redirect Radio station 250px|<center>RDF stations (A, B) used for Radio triangulation Radio direction-finding station is – according to article 1.91 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR)ITU Radio Regulations, Section IV.
After revision: 250px|<center>RDF stations (A, B) used for Radio triangulation Radio direction-finding station is – according to article 1.91 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR)ITU Radio Regulations, Section IV.