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Every L followed by data without a * is actual data from the related stations, separated by commas:
for example: 50,DQ82.5,DS82.2,DU85.4,DT86.2,
50: first two character is a locationId (stationId related to a nuclear plant)
DQ: two letter parameterId. Many parameters are possible. They all have two digits, and they can have all kind of characters, like +@?!.
Data values starting with a # will be marked as missing values.
until you see other another date (L*) the previous date is valid.
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