To my eyes, CTC's spire/lantern is evocative of the Art Deco former WCAU building on Chestnut St, as it appeared before its illuminated spire was truncated due to structural deterioration.
See in Temple's archives:
Title WCAU Chestnut Street building
Date 1933-01-09
Subject Television stations
Organization-Building WCAU-TV (Television station: Philadelphia, Pa.)
1620 Chestnut Street (Philadelphia, Pa.)
George D. McDowell Philadelphia Evening Bulletin Photographs
http://digital.library.temple.edu/cd.../id/5546/rec/8