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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>
06 Apr 1997 15:13:11 yearsecs   8262791
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.73  207.87  -47.64  132.38
    1.00  -63.23  222.87  -49.26  142.80
    2.00  -63.79  237.87  -51.39  153.20
    3.00  -64.33  252.87  -53.89  163.63
    4.00  -64.04  267.87  -55.97  174.82
    5.00  -65.35  282.87  -59.85  184.72
    6.00  -65.71  297.87  -63.32  195.67
    7.00  -65.59  312.87  -66.78  208.07
    8.00  -66.29  327.87  -71.19  220.84
    9.00  -65.69  342.87  -74.35  239.88
   10.00  -65.25  357.87  -77.02  265.42
   11.00  -65.06   12.87  -78.21  299.13
   12.00  -65.09   27.87  -76.85  333.62
   13.00  -65.35   42.87  -73.69  359.87
   14.00  -65.83   57.87  -70.15   19.35
   15.00  -66.54   72.87  -66.90   35.54
   16.00  -67.47   87.87  -64.09   50.10
   17.00  -68.62  102.87  -61.82   63.41
   18.00  -68.54  117.87  -58.82   73.73
   19.00  -67.96  132.87  -55.94   83.13
   20.00  -66.63  147.87  -52.92   92.10
   21.00  -65.53  162.87  -50.68  101.69
   22.00  -64.36  177.87  -48.84  111.65
   23.00  -63.18  192.87  -47.54  121.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.53  207.87  -54.25  131.48
    1.00  -70.77  222.87  -56.39  140.34
    2.00  -71.80  237.87  -58.75  148.83
    3.00  -72.97  252.87  -61.59  156.71
    4.00  -75.95  267.87  -66.22  161.12
    5.00  -77.00  282.87  -69.38  166.42
    6.00  -76.20  297.87  -71.54  175.37
    7.00  -75.34  312.87  -74.12  185.26
    8.00  -76.36  327.87  -77.99  188.38
    9.00  -76.05  342.87  -81.43  196.52
   10.00  -76.17  357.87  -85.20  200.84
   11.00  -76.08   12.87  -89.08  193.03
   12.00  -75.76   27.87  -86.78   39.36
   13.00  -75.65   42.87  -82.63   46.02
   14.00  -75.90   57.87  -78.72   55.09
   15.00  -75.51   72.87  -74.72   60.76
   16.00  -75.40   87.87  -71.14   68.10
   17.00  -73.73  102.87  -66.60   72.29
   18.00  -73.54  117.87  -63.69   80.43
   19.00  -74.40  132.87  -62.35   89.79
   20.00  -73.80  147.87  -60.15   97.32
   21.00  -71.63  162.87  -56.83  104.46
   22.00  -70.69  177.87  -55.21  113.14
   23.00  -69.74  192.87  -54.07  122.20
</PRE>


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