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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>
29 Apr 1997 15:37:31 yearsecs  10251451
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.38  201.77  -50.91  127.92
    1.00  -66.40  216.77  -51.76  137.81
    2.00  -67.15  231.77  -53.81  147.49
    3.00  -67.88  246.77  -56.25  157.06
    4.00  -67.43  261.77  -57.99  167.56
    5.00  -68.01  276.77  -61.03  177.32
    6.00  -67.85  291.77  -63.84  188.09
    7.00  -68.13  306.77  -67.46  198.76
    8.00  -69.14  321.77  -71.98  208.84
    9.00  -69.55  336.77  -76.12  222.24
   10.00  -69.31  351.77  -79.60  243.34
   11.00  -69.08    6.77  -82.16  277.39
   12.00  -69.08   21.77  -82.27  323.70
   13.00  -69.31   36.77  -79.62  359.90
   14.00  -69.78   51.77  -76.00   22.75
   15.00  -70.47   66.77  -72.46   39.56
   16.00  -71.13   81.77  -69.12   53.06
   17.00  -71.26   96.77  -65.68   63.72
   18.00  -71.41  111.77  -62.75   73.61
   19.00  -70.78  126.77  -59.63   82.05
   20.00  -69.96  141.77  -56.90   90.52
   21.00  -69.17  156.77  -54.76   99.40
   22.00  -68.53  171.77  -53.25  108.69
   23.00  -67.60  186.77  -51.93  118.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.47  201.77  -56.94  127.46
    1.00  -73.55  216.77  -58.65  135.74
    2.00  -74.29  231.77  -60.47  143.70
    3.00  -79.32  246.77  -66.50  146.30
    4.00  -81.06  261.77  -69.48  149.25
    5.00  -81.45  276.77  -71.48  153.23
    6.00  -80.85  291.77  -73.15  159.29
    7.00  -79.96  306.77  -75.12  166.36
    8.00  -80.04  321.77  -77.75  168.78
    9.00  -80.06  336.77  -80.43  168.78
   10.00  -79.83  351.77  -83.12  164.96
   11.00  -79.86    6.77  -85.17  145.88
   12.00  -80.07   21.77  -85.21  111.48
   13.00  -79.88   36.77  -83.53   87.08
   14.00  -79.69   51.77  -80.80   78.09
   15.00  -79.50   66.77  -77.77   76.75
   16.00  -79.31   81.77  -74.75   78.88
   17.00  -79.11   96.77  -71.89   82.76
   18.00  -80.09  111.77  -70.21   90.51
   19.00  -80.33  126.77  -68.50   96.27
   20.00  -79.59  141.77  -66.32  100.79
   21.00  -77.90  156.77  -63.51  105.44
   22.00  -75.28  171.77  -60.07  111.24
   23.00  -73.67  186.77  -58.04  118.96
</PRE>


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