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From: mmm@cup.portal.com (Mark Robert Thorson)
Newsgroups: sci.electronics
Subject: Re: 50 Hz in Europe... Was the decision political?
Message-ID: <25007@cup.portal.com>
Date: 14 Dec 89 05:51:07 GMT
References: <2332@ektools.UUCP> <787@larry.sal.wisc.edu>
  <8973@cbmvax.commodore.com>
Organization: The Portal System (TM)
Lines: 2

Lots of military surplus equipment is 400 Hz, 115 VAC, because aircraft
benefit from smaller transformers.  Army uses 28 VDC.