There's "Vengeance" where they do exactly this. They use the LSD to scan for life signs in the corridors above, below and around them. It starts fairly early in the ep when they look for the Taranans and Rodney detects one single life sign in the underground facility "quite a way below us" without announcing the distance exactly - but I think that 100 meters is quite enough to justify this remark. 100 meters below *is* quite a way. *G*
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Date: 2010-10-04 09:02 am (UTC)