SIGNON

Sign-on

A sign-on is the beginning of operations for a radio or television station, generally at the start of each day. It is the opposite to a sign-off which generally takes place at the end of the day.

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sign on

Noun

  1. 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

  1. To join something, after signing.
  2. To commit oneself, as to a project, a goal, on organization, a cause.
    I never signed on for this.
  3. 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 sign on at 5 a.m., but now it broadcasts 24 hours a day.
  4. To log on; to start using a computer, radio, etc., or to start talking.
  5. To receive unemployment benefits.


The above text is a snippet from Wiktionary: sign on
and as such is available under the Creative Commons Attribution/Share-Alike License.

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