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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>
19 Jun 1997 18:49:03 yearsecs  14669343
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.01  145.61  -50.44   88.95
    1.00  -63.83  160.61  -49.09   99.43
    2.00  -64.68  175.61  -49.23  110.17
    3.00  -65.54  190.61  -49.86  120.50
    4.00  -65.31  205.61  -50.03  130.56
    5.00  -66.41  220.61  -52.07  140.35
    6.00  -66.63  235.61  -53.76  150.30
    7.00  -66.49  250.61  -55.52  160.61
    8.00  -67.17  265.61  -58.38  170.45
    9.00  -66.70  280.61  -60.61  181.54
   10.00  -66.36  295.61  -63.38  193.04
   11.00  -66.10  310.61  -66.67  205.31
   12.00  -66.13  325.61  -70.48  218.87
   13.00  -66.39  340.61  -74.44  235.30
   14.00  -66.88  355.61  -78.21  257.58
   15.00  -67.58   10.61  -80.91  291.03
   16.00  -68.51   25.61  -81.12  333.34
   17.00  -69.55   40.61  -78.86    7.17
   18.00  -69.43   55.61  -74.59   25.88
   19.00  -68.83   70.61  -69.87   38.56
   20.00  -67.67   85.61  -64.85   48.65
   21.00  -66.63  100.61  -60.29   58.75
   22.00  -65.58  115.61  -56.20   68.75
   23.00  -64.60  130.61  -52.79   78.72
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.21  145.61  -56.77   93.10
    1.00  -71.35  160.61  -56.70  102.97
    2.00  -72.38  175.61  -56.98  112.29
    3.00  -75.24  190.61  -59.62  121.24
    4.00  -77.81  205.61  -62.43  128.66
    5.00  -78.47  220.61  -63.70  135.44
    6.00  -77.78  235.61  -64.08  142.99
    7.00  -77.13  250.61  -64.97  150.88
    8.00  -77.83  265.61  -67.42  156.89
    9.00  -77.48  280.61  -69.36  164.32
   10.00  -77.51  295.61  -71.94  170.75
   11.00  -77.36  310.61  -74.72  177.33
   12.00  -77.24  325.61  -77.81  183.36
   13.00  -77.02  340.61  -81.12  189.13
   14.00  -77.11  355.61  -84.65  189.47
   15.00  -76.75   10.61  -88.24  176.13
   16.00  -76.81   25.61  -87.28   63.06
   17.00  -75.88   40.61  -83.31   46.95
   18.00  -75.96   55.61  -79.33   54.35
   19.00  -76.09   70.61  -75.61   61.95
   20.00  -75.23   85.61  -71.52   66.44
   21.00  -73.18  100.61  -66.58   69.89
   22.00  -71.78  115.61  -62.40   76.51
   23.00  -70.59  130.61  -58.90   84.22
</PRE>


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