# sign-on and sign-off

> beginning and ending of operations for a radio or television station

**Wikidata**: [Q23808804](https://www.wikidata.org/wiki/Q23808804)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sign-on_and_sign-off)  
**Source**: https://4ort.xyz/entity/sign-on-and-sign-off


## References

1. Freebase Data Dumps. 2013