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The '''Tektronix Type 526 Vectorscope''', [[introduced in 1959|introduced in May 1959]], is an instrument designed
The '''Tektronix Type 526 Vectorscope''', [[introduced in 1959|introduced in May 1959]],
to measure NTSC color television signals. It was replaced by the [[520]] in October  
is an instrument designed to measure NTSC color television signals.
[[introduced in 1967|1967]].
It was replaced by the [[520]] in October [[introduced in 1967|1967]].


* [http://w140.com/tek_526.pdf Tektronix 526 Manual (PDF)]
* [http://w140.com/tek_526.pdf Tektronix 526 Manual (PDF)]

Revision as of 12:45, 7 February 2018

The Tektronix Type 526 Vectorscope, introduced in May 1959, is an instrument designed to measure NTSC color television signals. It was replaced by the 520 in October 1967.