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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>
14 Apr 1997 03:17:29 yearsecs   8911049
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.65   21.81  -74.91  319.63
    1.00  -63.60   36.81  -73.16  347.99
    2.00  -64.34   51.81  -70.08    9.66
    3.00  -65.08   66.81  -66.87   27.01
    4.00  -64.83   81.81  -62.75   40.40
    5.00  -66.01   96.81  -60.50   54.86
    6.00  -66.28  111.81  -57.64   66.75
    7.00  -66.34  126.81  -55.14   77.56
    8.00  -66.84  141.81  -53.73   88.18
    9.00  -66.31  156.81  -51.86   97.93
   10.00  -65.89  171.81  -50.59  107.90
   11.00  -65.70  186.81  -50.03  117.97
   12.00  -65.74  201.81  -50.29  127.98
   13.00  -66.00  216.81  -51.38  137.93
   14.00  -66.48  231.81  -53.20  147.81
   15.00  -67.18  246.81  -55.63  157.55
   16.00  -68.12  261.81  -58.61  166.98
   17.00  -69.20  276.81  -62.06  175.92
   18.00  -69.06  291.81  -64.87  186.33
   19.00  -68.50  306.81  -67.78  198.12
   20.00  -67.28  321.81  -70.48  212.97
   21.00  -65.95  336.81  -73.13  231.51
   22.00  -64.47  351.81  -75.15  255.93
   23.00  -63.13    6.81  -75.88  286.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.65   21.81  -80.66  322.15
    1.00  -68.83   36.81  -79.10  358.42
    2.00  -69.86   51.81  -76.06   23.07
    3.00  -72.25   66.81  -73.98   45.17
    4.00  -74.61   81.81  -71.95   62.52
    5.00  -76.22   96.81  -69.87   74.74
    6.00  -75.61  111.81  -66.59   80.73
    7.00  -75.02  126.81  -63.74   87.42
    8.00  -76.14  141.81  -63.03   96.45
    9.00  -75.91  156.81  -61.53  103.81
   10.00  -76.18  171.81  -60.97  111.67
   11.00  -76.03  186.81  -60.44  119.34
   12.00  -75.86  201.81  -60.35  127.10
   13.00  -75.70  216.81  -60.77  134.95
   14.00  -75.89  231.81  -61.98  142.63
   15.00  -75.52  246.81  -63.12  150.78
   16.00  -75.55  261.81  -65.03  158.60
   17.00  -74.21  276.81  -66.24  168.70
   18.00  -74.06  291.81  -68.86  177.32
   19.00  -74.35  306.81  -72.18  184.97
   20.00  -73.39  321.81  -75.02  196.93
   21.00  -70.95  336.81  -77.17  217.65
   22.00  -69.47  351.81  -79.75  242.80
   23.00  -68.13    6.81  -81.19  279.78
</PRE>


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