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From: sef@drutx.UUCP (FarleighSE)
Newsgroups: net.misc
Subject: Re: Not 120 V at 60 Hz
Message-ID: <707@drutx.UUCP>
Date: Mon, 23-Jul-84 10:07:57 EDT
Article-I.D.: drutx.707
Posted: Mon Jul 23 10:07:57 1984
Date-Received: Tue, 24-Jul-84 03:56:03 EDT
References: <6400025@hp-pcd.UUCP>, <999@dciem.UUCP>
Organization: AT&T Information Systems Laboratories, Denver
Lines: 6

.

400Hz is quite common if you're in military aviation.  With
the higher frequency the transformers (step-up, down or isolation)
are much smaller.  Therefore a weight savings is realized.  I don't
know about commercial aircraft though.