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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
27 Sep 1997 23:46:44 yearsecs  23327204
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.07   73.02  -62.90   29.50
    1.00  -63.39   88.02  -59.66   43.59
    2.00  -64.02  103.02  -57.04   57.13
    3.00  -64.64  118.02  -54.80   69.56
    4.00  -64.37  133.02  -52.23   80.27
    5.00  -65.63  148.02  -51.88   91.60
    6.00  -65.95  163.02  -51.09  101.97
    7.00  -65.82  178.02  -50.30  112.08
    8.00  -66.52  193.02  -50.86  122.16
    9.00  -65.96  208.02  -50.78  132.09
   10.00  -65.52  223.02  -51.44  142.24
   11.00  -65.33  238.02  -52.84  152.58
   12.00  -65.36  253.02  -54.84  163.06
   13.00  -65.62  268.02  -57.41  173.58
   14.00  -66.10  283.02  -60.55  183.99
   15.00  -66.81  298.02  -64.31  194.22
   16.00  -67.74  313.02  -68.66  204.43
   17.00  -68.86  328.02  -73.35  215.21
   18.00  -68.86  343.02  -77.13  231.91
   19.00  -68.18  358.02  -79.91  258.82
   20.00  -66.90   13.02  -80.25  298.28
   21.00  -65.82   28.02  -77.66  334.77
   22.00  -64.68   43.02  -72.86  358.91
   23.00  -63.55   58.02  -67.42   15.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.54   73.02  -71.73   47.69
    1.00  -72.70   88.02  -68.96   61.12
    2.00  -73.69  103.02  -66.54   72.32
    3.00  -75.22  118.02  -65.22   83.19
    4.00  -77.85  133.02  -65.60   94.52
    5.00  -78.75  148.02  -64.99  102.35
    6.00  -78.11  163.02  -63.34  108.52
    7.00  -77.46  178.02  -62.07  115.31
    8.00  -78.36  193.02  -62.80  122.65
    9.00  -78.09  208.02  -62.77  129.73
   10.00  -78.16  223.02  -63.53  136.76
   11.00  -77.98  238.02  -64.48  143.93
   12.00  -77.69  253.02  -65.73  151.30
   13.00  -77.51  268.02  -67.50  158.56
   14.00  -77.64  283.02  -69.86  165.03
   15.00  -77.25  298.02  -72.22  172.52
   16.00  -77.15  313.02  -75.11  179.05
   17.00  -75.76  328.02  -77.78  191.24
   18.00  -75.61  343.02  -81.34  199.59
   19.00  -76.18  358.02  -85.24  200.73
   20.00  -75.53   13.02  -89.11  231.73
   21.00  -73.55   28.02  -85.64    5.73
   22.00  -72.61   43.02  -80.90   24.56
   23.00  -71.73   58.02  -75.97   36.01
</PRE>


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