Appendix B ______________________________________________________ Calculation Formulas
VAISALA______________________________________________________________________ 283
where
Lon = Station's longitude
Lat = Station's latitude
180
))2sin(000908.0
)2cos(006758.0
sin070257.0
cos399912.0
006918.0(
A
A
A
A
15)0.12(
TST
365
1
360
DN
A
60
EQ
LMTTST
60
4
LonGMTLMT
TSCTGMT
)2sin(3619.9
)2cos(3495.3
sin3515.7
cos4281.0
0172.0
A
A
A
A
EQ
where
= Declination (-24.0 - 24.0 degrees)
= Hour Angle (-180.0 - 180.0 degrees)
TST = True Solar Time (in decimals)
LMT = Local Mean Time (in decimals)
GMT = Greenwich Mean Time (in decimals)
CT = Civil Time (in decimals)
TS = Time Shift
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