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The '''Tektronix T502''' aka '''T5020''' is a dual-beam CRT. The T5020 was used in the [[502]]. | The '''Tektronix T502''' aka '''T5020''' is a dual-beam CRT. The T5020 was used in the [[502]]. | ||
The successor '''T5021''' has horizontal beam registration. The T5021 was used in the [[502A]] scope. | The successor '''T5021''' has improved horizontal beam registration. The T5021 was used in the [[502A]] scope. | ||
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