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The last one I saw was at WCIV. They used it to delay the GONG SHOW.
Those are type A machines (alpha wrap). They have a tension servo to control skew. Head switching occurs at the bottom of the picture unlike type C machines (omega wrap) where it occurs on the inactive lines in the vertical interval.
The real pitfall was the time base corrector. At the time TBC's were not very good. They had maybe one line of correction. They used glass delay lines rather than digital techniques to control off-tape error.
There was a station in Columbia SC who had the IVC automation system. It was 6 decks in a console which would play back-to-back commercials. It worked pretty good but the technician had to be pretty nimble on his feet when there were 10 second spots in the break!
At another station I worked at across town, they had IVC500 studio cameras.
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Last edited by kf4rca; 06-10-2022 at 05:20 PM.
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