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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 Dec 1997 20:07:08 yearsecs  29189228
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.98  130.86  -54.18   80.05
    1.00  -65.70  145.86  -52.16   90.16
    2.00  -66.57  160.86  -51.86  100.78
    3.00  -67.44  175.86  -51.99  111.03
    4.00  -67.07  190.86  -51.40  120.77
    5.00  -67.76  205.86  -52.43  130.45
    6.00  -67.68  220.86  -53.30  140.14
    7.00  -67.78  235.86  -54.84  149.89
    8.00  -68.65  250.86  -57.48  159.23
    9.00  -68.76  265.86  -59.81  169.08
   10.00  -68.50  280.86  -62.21  179.55
   11.00  -68.30  295.86  -65.10  190.37
   12.00  -68.33  310.86  -68.62  201.57
   13.00  -68.59  325.86  -72.58  213.83
   14.00  -69.07  340.86  -76.77  228.48
   15.00  -69.78  355.86  -80.92  248.92
   16.00  -70.55   10.86  -84.09  286.28
   17.00  -70.97   25.86  -83.72  341.10
   18.00  -70.99   40.86  -80.16   13.27
   19.00  -70.40   55.86  -75.42   29.21
   20.00  -69.51   70.86  -70.46   40.45
   21.00  -68.65   85.86  -65.77   50.73
   22.00  -67.90  100.86  -61.54   60.85
   23.00  -67.02  115.86  -57.64   70.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.55  130.86  -61.79   87.67
    1.00  -74.56  145.86  -61.09   96.91
    2.00  -75.35  160.86  -60.71  105.51
    3.00  -79.67  175.86  -64.39  115.25
    4.00  -81.42  190.86  -65.96  121.97
    5.00  -81.77  205.86  -66.47  127.69
    6.00  -81.25  220.86  -66.45  133.71
    7.00  -80.60  235.86  -66.73  140.22
    8.00  -80.82  250.86  -68.18  145.73
    9.00  -80.78  265.86  -69.72  151.28
   10.00  -80.78  280.86  -71.59  156.29
   11.00  -80.77  295.86  -73.72  160.66
   12.00  -80.94  310.86  -76.10  163.14
   13.00  -80.72  325.86  -78.52  165.55
   14.00  -80.55  340.86  -81.04  164.71
   15.00  -80.29  355.86  -83.50  157.91
   16.00  -80.21   10.86  -85.13  135.75
   17.00  -79.96   25.86  -84.98  102.65
   18.00  -80.58   40.86  -82.48   89.16
   19.00  -80.55   55.86  -79.91   82.89
   20.00  -79.75   70.86  -77.01   78.56
   21.00  -78.12   85.86  -73.34   75.77
   22.00  -75.94  100.86  -68.86   76.01
   23.00  -74.48  115.86  -64.90   80.82
</PRE>


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