I have a service file for a Ferry Command navigator that refers to his travels from point to point. Does anyone have a list of the stations and their letter codes?

On this file, I see notations for a trip from Stations L to A, on to K and then to UK. On return, he left E for HQ.

I would assume L was either Dorval or Halifax, A was Gander and K was Iceland.

Is this info listed in Ocean Bridge?