Here's what I have on the 17 Coy CFC.
17 Coy, Based out of Ft. Frances,Ontario. Started up 18 August 1940. Arrived in Scotland 20 April 1941. Ceased operations in Scotland 30 Sept 1943. Camp at Rosehall,Invershin, Scotland. It was sent back to Canada, around October 1943.
They were operating out of the Scottish Highlands up the road a ways from Dornoch Firth. North Sea.