Gary,
The 3 Cdn Infantry Division Signals orders for Operation Overlord can be found here:
https://heritage.canadiana.ca/view/o...eel_t7619/1780
The link above is one if the net diagrams which I believe is near the tail-end of the orders (recent changes to the heritage.canadiana.ca site make scrolling through images much slower).
The frequency list is at image 1716:
https://heritage.canadiana.ca/view/o...eel_t7619/1716
These orders might help resolve some if your questions.
Colin