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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>
08 Nov 1997 13:34:48 yearsecs  26919288
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.44  220.33  -52.08  140.16
    1.00  -66.40  235.33  -53.51  150.22
    2.00  -67.09  250.33  -56.02  160.00
    3.00  -67.78  265.33  -58.87  169.68
    4.00  -67.28  280.33  -61.06  180.67
    5.00  -67.82  295.33  -64.58  190.71
    6.00  -67.62  310.33  -67.89  202.47
    7.00  -67.84  325.33  -71.84  215.06
    8.00  -68.70  340.33  -76.34  228.93
    9.00  -69.21  355.33  -80.30  250.08
   10.00  -69.03   10.33  -82.45  287.94
   11.00  -68.86   25.33  -81.55  333.29
   12.00  -68.92   40.33  -78.30    4.61
   13.00  -69.21   55.33  -74.45   24.91
   14.00  -69.73   70.33  -70.81   40.57
   15.00  -70.48   85.33  -67.65   54.15
   16.00  -71.21  100.33  -64.86   65.97
   17.00  -71.41  115.33  -62.11   75.82
   18.00  -71.67  130.33  -60.01   85.19
   19.00  -71.18  145.33  -57.77   93.69
   20.00  -70.43  160.33  -55.79  102.30
   21.00  -69.48  175.33  -54.07  111.24
   22.00  -68.74  190.33  -53.06  120.55
   23.00  -67.73  205.33  -52.38  130.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -76.96  220.33  -62.20  136.15
    1.00  -78.08  235.33  -64.34  142.57
    2.00  -78.95  250.33  -66.53  148.35
    3.00  -82.73  265.33  -71.05  146.64
    4.00  -84.14  280.33  -73.33  145.97
    5.00  -84.63  295.33  -74.93  146.06
    6.00  -84.55  310.33  -76.38  146.95
    7.00  -84.37  325.33  -77.88  146.59
    8.00  -84.69  340.33  -79.03  141.63
    9.00  -84.26  355.33  -80.37  137.11
   10.00  -83.77   10.33  -81.42  128.55
   11.00  -83.48   25.33  -81.57  116.34
   12.00  -83.34   40.33  -80.72  105.38
   13.00  -82.96   55.33  -79.32   96.96
   14.00  -82.60   70.33  -77.38   92.54
   15.00  -82.25   85.33  -75.19   91.42
   16.00  -81.90  100.33  -72.94   92.60
   17.00  -81.55  115.33  -70.80   95.37
   18.00  -82.14  130.33  -69.64  101.18
   19.00  -81.94  145.33  -68.21  105.62
   20.00  -81.55  160.33  -66.91  110.42
   21.00  -80.38  175.33  -65.13  115.39
   22.00  -78.54  190.33  -62.99  121.41
   23.00  -77.56  205.33  -62.16  128.58
</PRE>


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