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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>
10 Sep 1997 12:03:36 yearsecs  21816216
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.14  250.81  -49.71  164.57
    1.00  -60.81  265.81  -52.70  175.72
    2.00  -61.49  280.81  -55.99  186.99
    3.00  -62.17  295.81  -59.67  198.41
    4.00  -61.25  310.81  -62.33  212.37
    5.00  -62.30  325.81  -67.07  225.54
    6.00  -63.33  340.81  -71.67  241.58
    7.00  -63.89  355.81  -75.31  263.92
    8.00  -64.42   10.81  -77.47  294.69
    9.00  -63.78   25.81  -75.66  328.32
   10.00  -63.36   40.81  -71.86  353.72
   11.00  -63.17   55.81  -67.56   12.27
   12.00  -63.21   70.81  -63.63   27.63
   13.00  -63.47   85.81  -60.26   41.76
   14.00  -63.95  100.81  -57.44   55.23
   15.00  -64.66  115.81  -55.21   67.91
   16.00  -65.59  130.81  -53.79   79.69
   17.00  -66.75  145.81  -53.23   90.79
   18.00  -66.72  160.81  -52.01  100.81
   19.00  -66.08  175.81  -50.63  110.65
   20.00  -64.53  190.81  -48.86  120.56
   21.00  -63.42  205.81  -48.19  130.87
   22.00  -61.89  220.81  -47.79  141.70
   23.00  -60.73  235.81  -48.27  153.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.97  250.81  -57.76  158.95
    1.00  -69.61  265.81  -60.54  168.17
    2.00  -70.51  280.81  -63.91  176.82
    3.00  -71.22  295.81  -67.49  185.36
    4.00  -73.38  310.81  -72.43  189.96
    5.00  -74.56  325.81  -76.66  195.18
    6.00  -74.36  340.81  -80.26  205.92
    7.00  -73.87  355.81  -83.90  223.92
    8.00  -74.67   10.81  -88.09  251.13
    9.00  -74.79   25.81  -87.02   17.44
   10.00  -74.67   40.81  -82.80   36.38
   11.00  -74.39   55.81  -78.49   45.94
   12.00  -74.14   70.81  -74.34   54.51
   13.00  -74.13   85.81  -70.64   63.43
   14.00  -74.06  100.81  -67.31   71.81
   15.00  -73.58  115.81  -64.08   79.34
   16.00  -73.51  130.81  -61.75   87.59
   17.00  -72.31  145.81  -58.86   94.90
   18.00  -72.17  160.81  -57.51  103.54
   19.00  -72.60  175.81  -57.20  112.47
   20.00  -71.96  190.81  -56.29  121.09
   21.00  -70.22  205.81  -54.84  130.12
   22.00  -69.92  220.81  -55.42  139.39
   23.00  -68.62  235.81  -55.61  149.43
</PRE>


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