Question id 253 - Radio Navigation - ATPL - Airline Transport Pilot license

Separate azimuth and elevation transmitters, outer and middle marker beacons
Separate azimuth and elevation transmitters, DME facility
Combined azimuth and elevation transmitter, outer and inner marker beacons
Combined azimuth and elevation transmitter, DME facility

Training tests and timed exam simulations ATPL - Airline Transport Pilot license