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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>
04 Jul 1997 02:04:30 yearsecs  15905070
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.13   40.00  -73.00  353.64
    1.00  -65.07   55.00  -70.06   14.68
    2.00  -66.05   70.00  -67.12   31.94
    3.00  -67.04   85.00  -64.34   46.98
    4.00  -66.76  100.00  -60.57   58.48
    5.00  -67.56  115.00  -58.34   70.58
    6.00  -67.56  130.00  -55.92   80.86
    7.00  -67.53  145.00  -54.11   90.79
    8.00  -68.23  160.00  -53.59  100.98
    9.00  -68.22  175.00  -52.81  110.68
   10.00  -67.88  190.00  -52.20  120.28
   11.00  -67.69  205.00  -52.33  129.91
   12.00  -67.73  220.00  -53.27  139.57
   13.00  -67.99  235.00  -54.94  149.23
   14.00  -68.47  250.00  -57.21  158.79
   15.00  -69.18  265.00  -60.04  168.09
   16.00  -70.02  280.00  -63.35  176.97
   17.00  -70.69  295.00  -66.90  185.80
   18.00  -70.58  310.00  -70.20  196.32
   19.00  -70.02  325.00  -73.48  209.45
   20.00  -69.08  340.00  -76.56  227.43
   21.00  -68.15  355.00  -79.28  252.95
   22.00  -66.89   10.00  -80.13  290.29
   23.00  -65.12   25.00  -77.35  327.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.13   40.00  -78.60    4.78
    1.00  -70.21   55.00  -75.50   27.71
    2.00  -71.13   70.00  -72.18   44.16
    3.00  -76.16   85.00  -72.30   68.95
    4.00  -78.42  100.00  -70.87   81.92
    5.00  -78.74  115.00  -68.71   88.52
    6.00  -77.92  130.00  -66.01   93.28
    7.00  -77.25  145.00  -63.80   99.26
    8.00  -77.70  160.00  -63.11  106.79
    9.00  -77.59  175.00  -62.29  113.90
   10.00  -77.76  190.00  -62.19  121.17
   11.00  -77.61  205.00  -62.21  128.41
   12.00  -77.82  220.00  -63.03  135.53
   13.00  -77.60  235.00  -63.87  142.85
   14.00  -77.56  250.00  -65.28  150.05
   15.00  -77.31  265.00  -66.92  157.50
   16.00  -77.44  280.00  -69.23  164.16
   17.00  -77.18  295.00  -71.62  171.41
   18.00  -77.82  310.00  -74.82  175.42
   19.00  -77.55  325.00  -77.79  181.67
   20.00  -76.46  340.00  -80.86  192.65
   21.00  -74.35  355.00  -83.93  218.64
   22.00  -71.89   10.00  -85.41  278.05
   23.00  -70.12   25.00  -82.96  335.53
</PRE>


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