An aircraft, on a heading of 180°M is on a bearing of 270°M from a VOR.The bearing you should select on the OMNI bearing selector to centralise the VOR/ILS left/right deviation needle with TO showing is:
Domanda 223, Radio Navigation - ATPL - Airline Transport Pilot license
270°
090°
180°
Assignment of received PRN-codes (Pseudo Random Noise) to the appropriate satellite