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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 May 1997 21:38:38 yearsecs  11309918
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.25  102.27  -58.51   58.13
    1.00  -65.44  117.27  -55.76   69.82
    2.00  -66.40  132.27  -54.42   81.38
    3.00  -67.37  147.27  -53.73   92.18
    4.00  -67.18  162.27  -52.38  101.99
    5.00  -68.09  177.27  -52.61  112.11
    6.00  -68.37  192.27  -52.69  121.76
    7.00  -69.19  207.27  -53.89  131.16
    8.00  -70.91  222.27  -56.47  139.92
    9.00  -72.07  237.27  -58.93  148.30
   10.00  -70.86  252.27  -59.64  158.33
   11.00  -69.96  267.27  -61.08  168.75
   12.00  -69.46  282.27  -63.30  179.24
   13.00  -69.32  297.27  -66.27  189.73
   14.00  -69.49  312.27  -69.90  200.35
   15.00  -69.97  327.27  -74.02  211.59
   16.00  -70.48  342.27  -78.21  225.44
   17.00  -70.46  357.27  -81.81  248.81
   18.00  -70.50   12.27  -84.14  291.50
   19.00  -69.72   27.27  -82.14  340.60
   20.00  -68.75   42.27  -77.61    7.09
   21.00  -67.85   57.27  -72.52   23.28
   22.00  -67.27   72.27  -67.83   36.50
   23.00  -66.40   87.27  -63.13   47.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.50  102.27  -65.63   69.58
    1.00  -73.58  117.27  -63.83   80.17
    2.00  -74.32  132.27  -62.35   89.38
    3.00  -79.33  147.27  -65.61  102.73
    4.00  -81.05  162.27  -66.32  110.66
    5.00  -81.40  177.27  -66.12  116.70
    6.00  -80.73  192.27  -65.24  122.46
    7.00  -79.70  207.27  -64.39  128.91
    8.00  -79.58  222.27  -64.88  135.49
    9.00  -79.23  237.27  -65.57  142.32
   10.00  -79.57  252.27  -67.26  148.26
   11.00  -80.17  267.27  -69.44  153.09
   12.00  -80.85  282.27  -71.82  156.55
   13.00  -80.60  297.27  -73.85  161.62
   14.00  -80.37  312.27  -76.18  165.86
   15.00  -80.14  327.27  -78.74  168.72
   16.00  -79.91  342.27  -81.44  168.70
   17.00  -79.67  357.27  -84.09  161.61
   18.00  -80.55   12.27  -84.83  131.86
   19.00  -80.73   27.27  -84.13  104.82
   20.00  -79.98   42.27  -82.53   83.79
   21.00  -78.31   57.27  -79.60   68.94
   22.00  -75.60   72.27  -74.92   60.81
   23.00  -73.84   87.27  -70.08   63.52
</PRE>


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