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From: baalke@mars.jpl.nasa.gov (Ron Baalke)
Newsgroups: sci.space.shuttle
Subject: Re: Why STS-35 is being launched at night.
Message-ID: <3845@jato.Jpl.Nasa.Gov>
Date: 29 May 90 15:42:36 GMT
Article-I.D.: jato.3845
References: <6282.266023d3@jetson.uh.edu> <780@peyote.cactus.org>
Sender: jbarba@jato.Jpl.Nasa.Gov
Reply-To: baalke@mars.UUCP (Ron Baalke)
Organization: Jet Propulsion Laboratory, Pasadena, CA.
Lines: 13

In article <780@peyote.cactus.org> mosley@peyote.cactus.org (Bob Mosley III) writes:
>
>...out of curiosity, what's the "North Atlantic Anomaly"?
>
The North Atlantic Anomaly is the region where the Van Allen belt interferes
with radio transmissions in the upper atmosphere.  The space shuttle will
stop their communications with Earth when passing through this region.  There
is a corresponding South Pacific Anomaly on the other side of the globe.
       _   _____    _
      | | |  __ \  | |       Ron Baalke           |  baalke@mars.jpl.nasa.gov
      | | | |__) | | |       Jet Propulsion Lab   |  baalke@jems.jpl.nasa.gov
   ___| | |  ___/  | |___    M/S 301-355          |
  |_____/ |_|      |_____|   Pasadena, CA 91109   |