RunwayVisualRange-rvrTendency
When instrumented systems are used for the assessment of runway visual range, the variations in runway visual range during the 10-minute period immediately preceding the observation.
RunwayVisualRange-rvrTendency
When instrumented systems are used for the assessment of runway visual range, the variations in runway visual range during the 10-minute period immediately preceding the observation.
comment
When instrumented systems are ...... ely preceding the observation.