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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>
10 Apr 1997 16:08:27 yearsecs   8611707
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.58  192.73  -47.93  121.83
    1.00  -64.86  207.73  -49.69  132.04
    2.00  -65.73  222.73  -51.61  141.98
    3.00  -67.31  237.73  -54.63  151.38
    4.00  -67.13  252.73  -56.38  161.61
    5.00  -68.04  267.73  -59.48  171.08
    6.00  -68.28  282.73  -62.38  181.13
    7.00  -69.03  297.73  -66.13  190.52
    8.00  -70.61  312.73  -70.88  198.24
    9.00  -71.75  327.73  -75.41  206.68
   10.00  -71.40  342.73  -79.00  222.31
   11.00  -70.43  357.73  -81.89  249.90
   12.00  -69.86   12.73  -83.47  294.26
   13.00  -69.64   27.73  -81.98  341.56
   14.00  -69.75   42.73  -78.49   11.07
   15.00  -70.17   57.73  -74.69   30.34
   16.00  -70.62   72.73  -70.99   44.88
   17.00  -70.56   87.73  -67.13   56.06
   18.00  -70.56  102.73  -63.73   66.42
   19.00  -69.74  117.73  -60.05   75.11
   20.00  -68.75  132.73  -56.76   83.75
   21.00  -67.79  147.73  -54.11   92.75
   22.00  -67.08  162.73  -52.26  102.25
   23.00  -65.08  177.73  -49.56  111.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.58  192.73  -52.90  122.07
    1.00  -69.86  207.73  -54.57  131.35
    2.00  -70.73  222.73  -56.34  140.27
    3.00  -76.87  237.73  -63.42  144.84
    4.00  -78.99  252.73  -66.81  149.33
    5.00  -79.43  267.73  -68.94  154.79
    6.00  -78.66  282.73  -70.51  162.47
    7.00  -77.51  297.73  -72.33  171.63
    8.00  -77.58  312.73  -75.25  177.33
    9.00  -77.47  327.73  -78.35  182.89
   10.00  -77.29  342.73  -81.65  187.73
   11.00  -77.37  357.73  -85.11  185.60
   12.00  -77.67   12.73  -87.80  145.60
   13.00  -77.47   27.73  -86.52   71.68
   14.00  -77.27   42.73  -82.97   60.36
   15.00  -77.07   57.73  -79.20   61.65
   16.00  -76.87   72.73  -75.52   66.10
   17.00  -76.66   87.73  -72.05   71.76
   18.00  -77.88  102.73  -70.00   81.57
   19.00  -78.19  117.73  -67.87   88.49
   20.00  -77.31  132.73  -65.13   93.60
   21.00  -75.28  147.73  -61.63   98.58
   22.00  -72.08  162.73  -57.30  104.62
   23.00  -70.08  177.73  -54.59  112.90
</PRE>


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