This article is about WHDH on channel 7. For the time it was on channel 5, see WHDH-TV 5.
When the Seven Network's Sydney station ATN-7 began transmission in Australia in 1956, this was used as part of their on-air logo.
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This logo would eventually be dropped due to complaints from ABC that the "Circle 7" logo was too similar to those used for its owned-and-operated stations; all of which were on VHF channel 7 at the time.
On January 2, 1995, WHDH-TV became an NBC affiliate, after CBS programming moved to WBZ-TV following Group W's affiliation deal with the network. On January 1st, 2017, WHDH-TV went independent with NBC programming moved to WBTS-LD.