Difference between revisions of "CU-399"
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| + | As part of the [[AN/MPQ-4]](A) Radar Set the directional coupler CU-399/MPQ-4 is a special section of waveguide with a frequency range of 15,700 to 16,300 megaHertz. It is bidirectional with a nominal attenuation of 20 decibels (20db) and is used to sample the [[RF]] energy into in the main waveguide. This RF energy is fed into the echo box [[FR-111]]/MPQ-4A through a connecting section of waveguide. | ||
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[[File:CU-399.MPQ-4A.jpg]] | [[File:CU-399.MPQ-4A.jpg]] | ||
Latest revision as of 11:58, 27 August 2018
As part of the AN/MPQ-4(A) Radar Set the directional coupler CU-399/MPQ-4 is a special section of waveguide with a frequency range of 15,700 to 16,300 megaHertz. It is bidirectional with a nominal attenuation of 20 decibels (20db) and is used to sample the RF energy into in the main waveguide. This RF energy is fed into the echo box FR-111/MPQ-4A through a connecting section of waveguide.
