Claim: Maryland Public Television runs digital channels in 1080i, 720p, and 480i, the last of which is the norm for standard-definition television in multiple countries.
Evidence: 1080i 720p 480i 480i is the video mode used for standard-definition analog or digital television in the Caribbean, Myanmar, Japan, South Korea, Taiwan, Philippines, Laos, Western Sahara, and most of the Americas (with the exception of Argentina, Paraguay, and Uruguay).