MGS and LRS are television stations owned by WIN Corporation in South Australia.
Before 2004, SES was the only commercial television station broadcasting in Mount Gambier and the southeast of South Australia.
The SES studios were located on John Watson Drive, Mount Gambier.
RTS was the only commercial television station in the Riverland region of South Australia, with its studio on Murray Bridge Road, Loxton.
WIN merely produces short daily local bulletins through the MGS/LRS broadcast day.