BB
in america they call VT clocks "Countdown Leaders", and i'm lucky to have some examples
(they are used in news bulltens to tell the tape operator and technical director when to cue the tape (not supposed to be broadcast)
on some "leaders" you can see the station address
http://www.rp-networkservices.com/tvforum/uploads/3bb7_copy1.jpg
this is from a tv network in canada
http://www.rp-networkservices.com/tvforum/uploads/5dbf_copy1.jpg
yes there are even "leaders" on adverts, the "code numbers" are what tv stations use to identify the advert
http://www.rp-networkservices.com/tvforum/uploads/261e.jpg
they even give an ident to moible units
http://www.rp-networkservices.com/tvforum/uploads/548f.jpg
this is from 1986
http://www.rp-networkservices.com/tvforum/uploads/9488.jpg
some might be for recorded shows
http://www.rp-networkservices.com/tvforum/uploads/14406de.jpg
http://www.rp-networkservices.com/tvforum/uploads/64946331_1ni4mt3y_vimage050after.jpg
http://www.rp-networkservices.com/tvforum/uploads/48727941_vimage016after.jpg
http://www.rp-networkservices.com/tvforum/uploads/64946435_rvaxhsfy_vimage049after.jpg
http://www.rp-networkservices.com/tvforum/uploads/86204280_5998ee4463.jpg
they also use "leaders" for network newscasts
http://www.rp-networkservices.com/tvforum/uploads/86204363_7cf892149e.jpg
an older verison
http://www.rp-networkservices.com/tvforum/uploads/86204515_37f15a0de0.jpg
http://www.rp-networkservices.com/tvforum/uploads/268107701_a9f9ae37b7.jpg
they even use "leaders" for trails
http://www.rp-networkservices.com/tvforum/uploads/268107706_c4d3de54a6.jpg
http://www.rp-networkservices.com/tvforum/uploads/268107709_db380ad306.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118225_c23ea8eb62.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118228_d92ea8e006.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118230_8e9acb36d9.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118231_3fb7e42478.jpg
http://www.rp-networkservices.com/tvforum/uploads/268119325_1229f7a77d.jpg
http://www.rp-networkservices.com/tvforum/uploads/268119326_299f6e31aa.jpg
http://www.rp-networkservices.com/tvforum/uploads/273405131_195c1cc3f9.jpg
http://www.rp-networkservices.com/tvforum/uploads/274153688_453ab61a4c.jpg
http://www.rp-networkservices.com/tvforum/uploads/285127938_440019b0f2.jpg
more later
(they are used in news bulltens to tell the tape operator and technical director when to cue the tape (not supposed to be broadcast)
on some "leaders" you can see the station address
http://www.rp-networkservices.com/tvforum/uploads/3bb7_copy1.jpg
this is from a tv network in canada
http://www.rp-networkservices.com/tvforum/uploads/5dbf_copy1.jpg
yes there are even "leaders" on adverts, the "code numbers" are what tv stations use to identify the advert
http://www.rp-networkservices.com/tvforum/uploads/261e.jpg
they even give an ident to moible units
http://www.rp-networkservices.com/tvforum/uploads/548f.jpg
this is from 1986
http://www.rp-networkservices.com/tvforum/uploads/9488.jpg
some might be for recorded shows
http://www.rp-networkservices.com/tvforum/uploads/14406de.jpg
http://www.rp-networkservices.com/tvforum/uploads/64946331_1ni4mt3y_vimage050after.jpg
http://www.rp-networkservices.com/tvforum/uploads/48727941_vimage016after.jpg
http://www.rp-networkservices.com/tvforum/uploads/64946435_rvaxhsfy_vimage049after.jpg
http://www.rp-networkservices.com/tvforum/uploads/86204280_5998ee4463.jpg
they also use "leaders" for network newscasts
http://www.rp-networkservices.com/tvforum/uploads/86204363_7cf892149e.jpg
an older verison
http://www.rp-networkservices.com/tvforum/uploads/86204515_37f15a0de0.jpg
http://www.rp-networkservices.com/tvforum/uploads/268107701_a9f9ae37b7.jpg
they even use "leaders" for trails
http://www.rp-networkservices.com/tvforum/uploads/268107706_c4d3de54a6.jpg
http://www.rp-networkservices.com/tvforum/uploads/268107709_db380ad306.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118225_c23ea8eb62.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118228_d92ea8e006.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118230_8e9acb36d9.jpg
http://www.rp-networkservices.com/tvforum/uploads/268118231_3fb7e42478.jpg
http://www.rp-networkservices.com/tvforum/uploads/268119325_1229f7a77d.jpg
http://www.rp-networkservices.com/tvforum/uploads/268119326_299f6e31aa.jpg
http://www.rp-networkservices.com/tvforum/uploads/273405131_195c1cc3f9.jpg
http://www.rp-networkservices.com/tvforum/uploads/274153688_453ab61a4c.jpg
http://www.rp-networkservices.com/tvforum/uploads/285127938_440019b0f2.jpg
more later