Angielski ⇄ Angielski Francuski +

VHF direction-finding service
lotn.	service de radiogoniométrie VHF; service VDF
Angielski tezaurus
VHF direction-finding service
lotn.	A service by which navigation assistance is provided to VFR aircraft, as described in the "Communications" COM and "Rules of the Air and Air Traffic Services" RAC sections of the Transport Canada Aeronautical Information Manual (TC AIM)