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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>
05 Dec 1997 01:11:36 yearsecs  29207496
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.73   55.00  -67.24   10.68
    1.00  -63.24   70.00  -63.87   26.90
    2.00  -63.79   85.00  -60.82   41.53
    3.00  -64.33  100.00  -58.02   55.06
    4.00  -64.04  115.00  -54.72   66.64
    5.00  -65.36  130.00  -53.66   78.92
    6.00  -65.71  145.00  -52.25   89.57
    7.00  -65.59  160.00  -50.92   99.76
    8.00  -66.04  175.00  -50.62  110.09
    9.00  -65.66  190.00  -49.99  120.10
   10.00  -65.25  205.00  -49.94  130.15
   11.00  -65.06  220.00  -50.74  140.32
   12.00  -65.09  235.00  -52.26  150.60
   13.00  -65.35  250.00  -54.41  160.93
   14.00  -65.83  265.00  -57.10  171.21
   15.00  -66.54  280.00  -60.35  181.29
   16.00  -67.47  295.00  -64.21  190.99
   17.00  -68.62  310.00  -68.65  200.34
   18.00  -68.65  325.00  -72.42  212.88
   19.00  -67.96  340.00  -75.64  230.63
   20.00  -66.63  355.00  -77.86  257.01
   21.00  -65.54   10.00  -78.66  291.77
   22.00  -64.36   25.00  -76.47  327.03
   23.00  -63.18   40.00  -71.84  352.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.49   55.00  -76.63   32.30
    1.00  -72.67   70.00  -73.46   48.92
    2.00  -73.68   85.00  -70.48   61.72
    3.00  -74.79  100.00  -68.09   72.95
    4.00  -77.51  115.00  -67.70   85.94
    5.00  -78.50  130.00  -66.54   94.23
    6.00  -77.86  145.00  -64.39   99.95
    7.00  -77.36  160.00  -62.77  106.52
    8.00  -78.19  175.00  -62.90  114.16
    9.00  -77.89  190.00  -62.32  121.18
   10.00  -77.98  205.00  -62.58  128.33
   11.00  -77.83  220.00  -63.03  135.52
   12.00  -77.47  235.00  -63.74  142.97
   13.00  -77.30  250.00  -65.06  150.37
   14.00  -77.46  265.00  -67.04  157.24
   15.00  -77.05  280.00  -68.95  164.97
   16.00  -76.90  295.00  -71.44  172.17
   17.00  -75.34  310.00  -73.49  183.80
   18.00  -75.11  325.00  -76.76  192.48
   19.00  -75.84  340.00  -80.67  196.59
   20.00  -75.24  355.00  -84.27  210.04
   21.00  -73.22   10.00  -86.71  268.80
   22.00  -72.42   25.00  -85.33  346.11
   23.00  -71.62   40.00  -80.95   15.02
</PRE>


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