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- Path: sparky!uunet!cs.utexas.edu!sun-barr!ames!nsisrv!herman!herman.gem.valpo.edu!mjensen
- From: mjensen@herman.gem.valpo.edu (Michael Jensen)
- Newsgroups: sci.space.shuttle
- Subject: Re: Strange circle-like curves on shuttle map
- Message-ID: <128@herman.gem.valpo.edu>
- Date: 12 Aug 92 18:31:30 GMT
- References: <1992Aug7.213920.19357@Csli.Stanford.EDU> <999@vk2bea.UUCP>
- Sender: news@herman.gem.valpo.edu
- Distribution: world
- Lines: 32
- Nntp-Posting-Host: herman.gem.valpo.edu
-
- In article <999@vk2bea.UUCP>, michael@vk2bea.UUCP (Michael G. Katzmann) writes:
- |> In article <1992Aug7.213920.19357@Csli.Stanford.EDU> cortex@csli.stanford.edu (John Eisenberg) writes:
- |> >I was watching NASA television last night and I noticed
- |> >circle-like curves on the globe that surround what may be
- |> >tracking stations or emergency landing sites. These curves
- |> >have strange indentations and so forth. Does anyone know
- |> >what they are and why they look as they do?
- |>
- |> They indicate the maximum range for the ground stations to receive
- |> the shuttle (at normal shuttle altitude). The ground stations are
- |> sometimes obstructed in their view by structures (man made and
- |> natural), hence in a particular direction there may be less range
- |> than an un-obstructed path (hence the indentations).
- |>
- |> Now there is a marking on NASA shuttle maps called the "Southern Atlantic
- |> Anomaly". Does any one know what that is?
- |>
- |> --
- |> Michael Katzmann > Broadcast Sports Technology Inc.
- |> ~~~~~~~~~~~~~~~~ < Crofton, Maryland. U.S.A
- |> Amateur Radio Stations: >
- |> NV3Z / VK2BEA / G4NYV < opel!vk2bea!michael@uunet.uu.net
-
-
- The Southern Atlantic Anomaly is an "area" of high "radiation" and "e-mag
- interferance" that disrupts communications, and can cause SEL/SEU problems.
-
- --
- Michael C. Jensen mjensen@gellersen.valpo.edu
- Electrical Engineering jensen@cisv.jsc.nasa.gov
- Valparaiso University mcj0716@exodus.valpo.edu
- "I bet the human brain is a kludge." -- Marvin Minsky
-