SOME EXPERIMENTS WITH THE VF AIDED TRACKING EQUIPMENT,
JOHNS HOPKINS UNIV BALTIMORE MD PSYCHOLOGICAL LAB
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Three experiments were performed to compare mechanically aided and manual tracking on the B-scope of the VF indicator. The first experiment measured bearing and range accuracy of continued tracking after the operator had centered the B-scope presentation on the target and determined its course and speed. The second experiment measured bearing and range accuracy of reestablished contact after simulated fades of two and four scans. The third experiment measured bearing and range accuracy during initial tracking adjustments on a target whose movement pattern was not yet established.
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