Home > Term: end evening civil twilight (EECT)
end evening civil twilight (EECT)
The time period when the sun has dropped 6 degrees beneath the western horizon; it is the instant at which there is no longer sufficient light to see objects with the unaided eye. Light intensification devices are recommended from this time until begin morning civil twilight.
- Jenis Kata: noun
- Industri / Domain: Militer
- Kategori: Militer secara umum
- Company: U.S. DOD
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