No it was just plain ignorance. It had nothing to do with steel or metal in the tunels. Maybe his knowledge was based on fake assumptions or maybe he was thinking of GPS systems but in general he stated that compasses don't work underground (period). Reason compass came up in the conversation was because I had to specify location of the patient on the report so I needed to write "south/north/east/west corner of the platform".

Matt
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Matt
http://brunerdog.tripod.com/survival/index.html