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Period of Light (PER)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: per.ttl
- Name
periodOfLight- Datatype
- Real
- Definition
- The time occupied by an entire cycle of intervals of light and eclipse.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- time
- Recommended unit
- Second (s)
- Used by
- BC040 Maritime Navigation Light
- GB013 Aerodrome Beacon
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.