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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>
09 Apr 1997 00:54:22 yearsecs   8470462
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.53   57.63  -67.50   14.84
    1.00  -63.61   72.63  -63.65   30.01
    2.00  -64.35   87.63  -60.83   44.70
    3.00  -65.08  102.63  -58.25   58.19
    4.00  -64.83  117.63  -55.07   69.46
    5.00  -66.02  132.63  -53.98   81.31
    6.00  -66.29  147.63  -52.59   91.73
    7.00  -66.16  162.63  -51.33  101.79
    8.00  -66.85  177.63  -51.35  112.05
    9.00  -66.35  192.63  -50.68  121.89
   10.00  -65.90  207.63  -50.70  131.84
   11.00  -65.71  222.63  -51.58  141.91
   12.00  -65.75  237.63  -53.17  152.11
   13.00  -66.00  252.63  -55.36  162.34
   14.00  -66.48  267.63  -58.11  172.51
   15.00  -67.19  282.63  -61.42  182.42
   16.00  -68.12  297.63  -65.35  191.93
   17.00  -69.20  312.63  -69.76  201.23
   18.00  -69.14  327.63  -73.47  214.13
   19.00  -68.50  342.63  -76.74  232.46
   20.00  -67.28  357.63  -78.97  260.51
   21.00  -66.21   12.63  -79.48  297.77
   22.00  -65.12   27.63  -76.92  333.16
   23.00  -64.06   42.63  -72.23  357.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.15   57.63  -73.74   27.15
    1.00  -70.33   72.63  -70.75   44.03
    2.00  -71.36   87.63  -67.89   57.74
    3.00  -73.66  102.63  -66.59   72.02
    4.00  -76.47  117.63  -66.40   85.16
    5.00  -77.28  132.63  -65.11   93.50
    6.00  -76.46  147.63  -62.80   99.68
    7.00  -75.64  162.63  -60.88  106.63
    8.00  -76.39  177.63  -60.99  114.73
    9.00  -76.25  192.63  -60.64  122.36
   10.00  -76.52  207.63  -61.18  129.96
   11.00  -76.37  222.63  -61.76  137.62
   12.00  -76.20  237.63  -62.79  145.38
   13.00  -76.04  252.63  -64.26  153.21
   14.00  -76.22  267.63  -66.41  160.56
   15.00  -75.86  282.63  -68.51  168.72
   16.00  -75.88  297.63  -71.28  176.09
   17.00  -74.65  312.63  -73.66  187.33
   18.00  -74.65  327.63  -77.15  195.89
   19.00  -75.08  342.63  -81.04  202.81
   20.00  -74.31  357.63  -84.60  222.29
   21.00  -72.06   12.63  -85.83  288.78
   22.00  -70.72   27.63  -83.13  345.14
   23.00  -69.53   42.63  -78.29   10.13
</PRE>


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