Grapevine was the YSTV advertising and sustainer service broadcast on the network during the day from 1987 until it was re-branded Inform, initially as an internal naming convention in 2003/04 and then accompanied by (another) re-write of the back end in 2005.
The service started with the arrival of the Genlock on a BBC Model B computer which enabled its output to be synchronised with YSTV's vision mixer. This was the early days of microcomputers and the BBC was a crash-prone machine, as demonstrated by Malcolm Heath in .
- 1986-87 : Malcolm Heath
- 1992-93 : Charles Blessing
- 1993-94 : John Thompson then Luke Brown
- 1998-99 : Tom Lancaster
- 1999-00 :
|Admin Team||Deputy Station Directors • Treasurers • Secretaries|
|Production Team||Production Directors • Assistant Production Directors • Heads of Presentation • Outside Broadcast Coordinators • Heads of Scripted • Heads of Factual|
|Commercial Team||Commercial Directors • Assistant Commercial Directors • Social Secretaries|
|Technical Team||Technical Directors • Deputy Technical Directors|
|Computing Team||Computing Officers • Deputy Computing Officers • Webmasters|
|Admin||Careers Officers • 50th Anniversary Officers|
|Production||Controllers of News and Current Affairs • Deputy Controllers of News and Current Affairs • Controllers of Factual Programming • Controllers of Entertainment and Drama • Arts Correspondents • Sports Correspondents • Features Correspondents • Grapevine Managers • Training Managers• Scheduling Managers|
|Technical||Station Engineers • Network Engineers|
|Commercial||Advertising Managers • PR Managers|