Flightlist Explained

This list explains what the columns in my Flightlist.

Nr		Number of flight. Short breaks and toplanding-training does not count, only logically separate flights
Date		Date of flight
Ct		Country: Ch=Switzerland, De=Germany, Fr=France, It=Italy, At=Austria (Others)
Area		City or region
Start		The name or location of the starting place
H:Start		Altitude of start
Δh		Altitude difference, start <-> landing
t		Duration of flight
km		Distance covered in OLC terms, not the actual length of the GPS-track
Pref.		How much did I like the flight: from -- (oh No!) to " " (nothing special) to ++++ (a must!)
Wing		What type of glider did I fly
P		Partners who joined the trip/flight (Abbreviations see below)
Comment		all other things ...