| Definitions | | sign on |
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noun (sign on)
- (context, broadcasting) The time of day when a radio or television station begins broadcasting, usually after being off the air for several hours.
- Sign on for the radio station is at 5 a.m.
verb (inf=sign on, signs on, signing on, signed on)
- To join something, after signing
- (context, broadcasting) To begin broadcasting a radio or television signal, usually at the beginning of a broadcasting day and after being off the air for several hours.
- Years ago, the TV station would at 5 a.m., but now it broadcasts 24 hours a day.
- (idiom) To log on; to start using a computer, radio, etc., or to start talking.
- To sign on for the dole
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