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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>
21 Jun 1997 13:20:18 yearsecs  14822418
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.42  237.50  -51.93  152.65
    1.00  -63.99  252.50  -53.52  163.59
    2.00  -64.95  267.50  -56.73  173.78
    3.00  -65.92  282.50  -60.28  183.82
    4.00  -65.71  297.50  -63.24  195.38
    5.00  -66.74  312.50  -67.69  205.81
    6.00  -66.93  327.50  -71.63  219.17
    7.00  -67.01  342.50  -75.44  236.33
    8.00  -67.21  357.50  -78.88  260.43
    9.00  -67.00   12.50  -80.35  296.80
   10.00  -66.59   27.50  -78.64  334.66
   11.00  -66.41   42.50  -75.01    1.43
   12.00  -66.44   57.50  -70.94   20.25
   13.00  -66.71   72.50  -67.17   35.55
   14.00  -67.20   87.50  -63.90   49.31
   15.00  -67.91  102.50  -61.19   62.06
   16.00  -68.84  117.50  -59.19   73.85
   17.00  -69.85  132.50  -57.90   84.65
   18.00  -69.68  147.50  -56.05   93.89
   19.00  -69.11  162.50  -54.32  103.01
   20.00  -68.01  177.50  -52.52  112.24
   21.00  -66.98  192.50  -51.31  121.84
   22.00  -65.97  207.50  -50.76  131.74
   23.00  -65.06  222.50  -50.96  142.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.73  237.50  -59.56  147.99
    1.00  -73.75  252.50  -62.23  155.71
    2.00  -74.71  267.50  -65.15  162.82
    3.00  -77.78  282.50  -69.87  164.49
    4.00  -79.95  297.50  -73.59  163.89
    5.00  -80.48  312.50  -76.25  165.43
    6.00  -80.11  327.50  -78.78  168.85
    7.00  -79.53  342.50  -81.55  171.29
    8.00  -79.97  357.50  -83.94  158.84
    9.00  -79.66   12.50  -85.77  133.93
   10.00  -79.80   27.50  -84.94   98.57
   11.00  -79.51   42.50  -82.67   79.93
   12.00  -79.43   57.50  -79.66   75.87
   13.00  -79.17   72.50  -76.53   76.10
   14.00  -79.16   87.50  -73.59   79.94
   15.00  -78.81  102.50  -70.71   83.93
   16.00  -78.89  117.50  -68.48   89.84
   17.00  -78.26  132.50  -66.03   94.91
   18.00  -78.37  147.50  -64.67  101.68
   19.00  -78.25  162.50  -63.51  108.39
   20.00  -77.41  177.50  -62.03  115.04
   21.00  -75.62  192.50  -60.00  122.26
   22.00  -74.21  207.50  -58.86  130.42
   23.00  -73.08  222.50  -58.57  139.17
</PRE>


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