What is the frequency range of the PAR?

Study for the Radar, Airfield, and Weather Systems (RAWS) CDC Volume 3 Test. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

What is the frequency range of the PAR?

Explanation:
Precision Approach Radar operates in the X-band portion of the spectrum, around 9 GHz, because that frequency offers a good balance between achievable antenna size, resolution, and practical aviation radar allocations. The standard PAR frequency range used in guidance and manuals is 9.0 to 9.2 GHz, which is why this option is the correct choice. Frequencies slightly lower or higher within the X-band (such as 8.5–8.7 GHz, 9.2–9.4 GHz, or 9.5–9.7 GHz) are not the commonly specified PAR bands and would not align with the typical equipment settings and regulatory allocations for this radar.

Precision Approach Radar operates in the X-band portion of the spectrum, around 9 GHz, because that frequency offers a good balance between achievable antenna size, resolution, and practical aviation radar allocations. The standard PAR frequency range used in guidance and manuals is 9.0 to 9.2 GHz, which is why this option is the correct choice. Frequencies slightly lower or higher within the X-band (such as 8.5–8.7 GHz, 9.2–9.4 GHz, or 9.5–9.7 GHz) are not the commonly specified PAR bands and would not align with the typical equipment settings and regulatory allocations for this radar.

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