Changes according to the departute airfield and departure runway...
LHR might have Dover 2G, 2J, 2K...
LGW might have Dover 3G, 2H...
STN might have Dover 4G, 4F...
LTN might have Dover 5C, 5D...
etc. etc.
NB. Lists are examples and demonstrate the point and are not the actual routes used...
My memory isn't THAT good...
