Practice question

In which radio frequency band does an Instrument Landing System (ILS) Glide Path transmitter operate to provide vertical descent guidance?

  1. Very Low Frequency (VLF) band: 10 kHz to 30 kHz
  2. Medium Frequency (MF) band: 200 kHz to 450 kHz
  3. VHF band: 108.10 MHz to 111.95 MHz
  4. UHF band: 328.6 MHz to 335.4 MHz (automatically paired with localizer frequency)

Answer: D — UHF band: 328.6 MHz to 335.4 MHz (automatically paired with localizer frequency)

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