English TV-radio inits.

• English broadcaster
• Where to look for hidden words in this puzzle's fifth and eleventh columns?
• "Call the Midwife" network
• Inits. on a telly
• British TV network
• "I, Claudius" network
• Network on a flat screen?
• "Top of the Pops" network
• London TV inits.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
see B.B.C.