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TV Guide
Each channel in the listings section was designated by a bullet, which, like the magazine's logo, appeared in the shape of a television screen. Bullets used for broadcast stations contained a channel number, which had a different layout depending on the identified channel, and were often used in network promotional ads included to identify local affiliates carrying the advertised program. Filled black bullets with a white number overlaid on them designed local broadcast stations located in one of the primary market areas served by a specific edition; white bullets with a black screen outline indicated stations in outlying secondary markets covered by the corresponding edition. Out-of-market stations featured an alphanumeric identifier (with a letter next to the channel number) to disambiguate it from a local station, particularly in feature pages preceding the main listings (such as in the Northern Wisconsin edition, in which "6M" was used to disambiguate WLUC-TV in Marquette, Michigan, from WITI in Milwaukee, which only used a "6" as its identifier).