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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>
09 Nov 1997 13:25:40 yearsecs  27005140
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.38  222.45  -52.20  141.59
    1.00  -66.40  237.45  -53.75  151.66
    2.00  -67.14  252.45  -56.36  161.41
    3.00  -67.87  267.45  -59.29  171.05
    4.00  -67.41  282.45  -61.58  182.02
    5.00  -67.99  297.45  -65.19  192.01
    6.00  -67.82  312.45  -68.59  203.81
    7.00  -68.09  327.45  -72.58  216.53
    8.00  -68.95  342.45  -77.07  230.86
    9.00  -69.44  357.45  -80.96  253.41
   10.00  -69.22   12.45  -82.77  294.25
   11.00  -69.01   27.45  -81.35  339.10
   12.00  -69.03   42.45  -77.85    8.22
   13.00  -69.28   57.45  -73.92   27.34
   14.00  -69.75   72.45  -70.26   42.40
   15.00  -70.45   87.45  -67.10   55.62
   16.00  -71.12  102.45  -64.32   67.19
   17.00  -71.25  117.45  -61.58   76.90
   18.00  -71.41  132.45  -59.47   86.18
   19.00  -70.77  147.45  -57.16   94.65
   20.00  -69.95  162.45  -55.17  103.37
   21.00  -69.17  177.45  -53.69  112.49
   22.00  -68.53  192.45  -52.86  121.88
   23.00  -67.61  207.45  -52.35  131.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.79  222.45  -58.29  139.26
    1.00  -73.86  237.45  -60.61  147.15
    2.00  -74.61  252.45  -62.98  154.77
    3.00  -79.55  267.45  -68.99  154.44
    4.00  -81.26  282.45  -72.09  155.43
    5.00  -81.64  297.45  -74.31  157.90
    6.00  -80.98  312.45  -76.36  163.21
    7.00  -80.14  327.45  -78.77  168.71
    8.00  -80.18  342.45  -81.41  166.70
    9.00  -80.16  357.45  -83.81  157.32
   10.00  -79.93   12.45  -85.48  133.17
   11.00  -79.96   27.45  -84.80   99.87
   12.00  -80.17   42.45  -82.42   85.13
   13.00  -79.98   57.45  -79.66   79.23
   14.00  -79.79   72.45  -76.71   78.99
   15.00  -79.61   87.45  -73.82   81.53
   16.00  -79.42  102.45  -71.14   85.58
   17.00  -79.22  117.45  -68.75   90.52
   18.00  -80.20  132.45  -67.78   98.11
   19.00  -80.45  147.45  -66.66  104.23
   20.00  -79.74  162.45  -65.00  109.56
   21.00  -78.10  177.45  -62.74  115.28
   22.00  -75.53  192.45  -59.91  122.23
   23.00  -73.95  207.45  -58.60  130.44
</PRE>


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