CloD "Sector controller" use an classical 12-tips Wind Rose in their weather report - Timosthenes (270 BCE) Wind Rose:
No nuch reason in set in FMB coordinates in an more specific degree wind direction than in 30º segments - unless for complicate bomber pilots life, follow a historic weather report...
Controller report Cardinal direction FMB coordinates Simplified 0º North 70 to 90 90 30º North-Northeast 40 to 60 60 60º Northeast 10 to 30 30 90º East 0 to -20 0 120º Southeast -30 to -50 -30 150º South-Southeast -60 to -80 -60 180º South -90 to -110 -90 210º South-Southweast -120 to -140 -120 240º Southwest -150 to -170 -150 270º West 160 to 180 180 300º Northwest 130 to 150 150 330º North-Northwest 100 to 120 120
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