Marker beacon transmit on which frequency?

Prepare for the Instrument Flying Exam. Utilize flashcards and multiple choice questions, each with hints and explanations. Ensure readiness for your test!

Multiple Choice

Marker beacon transmit on which frequency?

Explanation:
Marker beacons operate on a fixed frequency in the VHF band: 75 MHz. This dedicated frequency lets cockpit marker receiver pick up a distinctive signal along the ILS approach path. The tones modulated onto that 75 MHz carrier (outer marker, middle marker, inner marker) give you quick, audible cues about your position relative to the runway. The other frequencies listed correspond to different systems or uses (for example, VOR/LOC systems sit around 108 MHz; 455 kHz isn’t used for marker beacons; 9.1 GHz is a microwave band used for other radar/systems).

Marker beacons operate on a fixed frequency in the VHF band: 75 MHz. This dedicated frequency lets cockpit marker receiver pick up a distinctive signal along the ILS approach path. The tones modulated onto that 75 MHz carrier (outer marker, middle marker, inner marker) give you quick, audible cues about your position relative to the runway. The other frequencies listed correspond to different systems or uses (for example, VOR/LOC systems sit around 108 MHz; 455 kHz isn’t used for marker beacons; 9.1 GHz is a microwave band used for other radar/systems).

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