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Talk:Plan position indicator

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This is an old revision of this page, as edited by Ian Dunster (talk | contribs) at 11:38, 14 November 2005. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Isnt PPI supposed to mean Plan Polar Indicator? This to distinguish it from the early radar displays only showing targets in one specific direction. Anyone? europrobe 18:22, 1 November 2005 (UTC)[reply]

Plan Position Indicator is the original TRE (who devised it) meaning and is fairly self-explanatory. The display gives a map-like, ie., a plan display of the target positions relative to the transmitting set. Ian Dunster 11:38, 14 November 2005 (UTC)[reply]
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