Channel 48 refers to several television stations:

Canada The following television stations formerly broadcast on digital channel 48 (UHF frequencies covering 674-680 MHz) in Canada: CFMT-DT-1 in London, Ontario CJCH-DT in Halifax, Nova Scotia

See also Channel 48 TV stations in Mexico Channel 48 digital TV stations in the United States Channel 48 virtual TV stations in the United States Channel 48 low-power TV stations in the United States