Join Date: Apr 2006
Location: Ottawa (Stittsville), ON, OTA (DB4e & VHF-HI folded dipole, AP-2870 pre-amp in Attic), MythTV HTPC
I believe post transition Global has always had this SD sub-channel, but it is usually marked as hidden. It isn't so much to save the cable headends from downconverting, but to provide a stream with a 4:3 aspect ratio, allowing MC to choose when to letterbox or centre cut.
Link to my TVFool results is in my profile Homepage URL. I suggest others do the same.