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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>
11 Mar 1997 12:02:57 yearsecs   6004977
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.24  252.74  -49.15  166.54
    1.00  -60.47  267.74  -52.71  177.48
    2.00  -61.20  282.74  -56.10  188.79
    3.00  -67.89  297.74  -65.18  192.37
    4.00  -67.43  312.74  -68.33  204.78
    5.00  -68.00  327.74  -72.59  217.02
    6.00  -67.84  342.74  -76.21  234.49
    7.00  -68.17  357.74  -79.84  258.28
    8.00  -69.05   12.74  -82.60  295.41
    9.00  -69.40   27.74  -81.72  340.88
   10.00  -69.19   42.74  -77.93    9.18
   11.00  -69.00   57.74  -73.56   26.83
   12.00  -69.02   72.74  -69.49   40.86
   13.00  -69.28   87.74  -65.92   53.42
   14.00  -69.76  102.74  -62.96   65.11
   15.00  -70.27  117.74  -60.57   75.80
   16.00  -70.17  132.74  -58.19   85.11
   17.00  -70.05  147.74  -56.40   94.30
   18.00  -71.37  162.74  -56.58  104.26
   19.00  -70.79  177.74  -55.32  113.10
   20.00  -69.99  192.74  -54.31  122.14
   21.00  -67.90  207.74  -52.65  131.65
   22.00  -63.95  222.74  -49.92  142.51
   23.00  -61.33  237.74  -49.08  154.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.24  252.74  -53.79  163.60
    1.00  -65.47  267.74  -57.23  173.51
    2.00  -66.20  282.74  -60.58  183.67
    3.00  -73.54  297.74  -69.68  181.81
    4.00  -75.97  312.74  -74.45  183.12
    5.00  -75.89  327.74  -77.77  190.52
    6.00  -75.40  342.74  -81.19  200.85
    7.00  -74.24  357.74  -84.59  223.13
    8.00  -74.62   12.74  -88.42  266.36
    9.00  -74.86   27.74  -86.53   22.85
   10.00  -74.76   42.74  -82.30   38.71
   11.00  -75.03   57.74  -78.33   50.44
   12.00  -75.55   72.74  -74.77   60.85
   13.00  -75.47   87.74  -71.21   68.23
   14.00  -75.37  102.74  -68.03   75.66
   15.00  -75.27  117.74  -65.31   83.13
   16.00  -75.17  132.74  -63.11   90.69
   17.00  -75.05  147.74  -61.40   98.37
   18.00  -76.37  162.74  -61.61  107.16
   19.00  -76.58  177.74  -61.18  114.85
   20.00  -75.43  192.74  -59.80  122.38
   21.00  -72.90  207.74  -57.56  130.82
   22.00  -68.95  222.74  -54.65  140.93
   23.00  -66.33  237.74  -53.73  151.89
</PRE>


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