4.12.6 Soil and Runway Display
Table 21 Parameters of Soil and Runway Display
Observation Explanation Unit Statistic Period
TS1 Soil temperature 1 °C Instant value from sensor 10 s
TS2 Soil temperature 2 °C Instant value from sensor 10 s
TR Runway temperature °C Instant value from sensor 10 s
4.12.7 Optical Display
Table 22 Parameters of Optical Display
Observation Explanation Unit Statistic Period
VIS Visibility m Instant value from sensor
(FD12P)
15 s
PW Present weather code Instant value from sensor
(FD12P)
15 s
BL Background luminance
cd/m
2
Instant value from sensor
(FD12P)
15 s
CB1 Base cloud altitude 1 m Instant value from sensor
(FD12P)
15 s
VV Vertical visibility m Instant value from sensor
(FD12P)
15 s
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