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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 Oct 1997 13:52:12 yearsecs  25365132
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.17  218.40  -51.66  138.95
    1.00  -66.02  233.40  -52.94  149.09
    2.00  -66.83  248.40  -55.52  158.86
    3.00  -67.63  263.40  -58.43  168.51
    4.00  -67.22  278.40  -60.64  179.38
    5.00  -67.85  293.40  -64.19  189.27
    6.00  -67.73  308.40  -67.52  200.75
    7.00  -67.88  323.40  -71.39  213.16
    8.00  -68.80  338.40  -75.93  226.36
    9.00  -68.89  353.40  -79.60  247.63
   10.00  -68.78    8.40  -82.02  282.76
   11.00  -68.59   23.40  -81.52  327.61
   12.00  -68.63   38.40  -78.49    0.56
   13.00  -68.89   53.40  -74.67   21.84
   14.00  -69.37   68.40  -70.99   37.97
   15.00  -70.08   83.40  -67.75   51.83
   16.00  -70.81   98.40  -64.90   63.96
   17.00  -71.11  113.40  -62.16   74.19
   18.00  -71.19  128.40  -59.80   83.51
   19.00  -70.58  143.40  -57.36   92.04
   20.00  -69.73  158.40  -55.21  100.73
   21.00  -68.90  173.40  -53.56  109.86
   22.00  -68.20  188.40  -52.52  119.28
   23.00  -67.30  203.40  -51.87  128.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.16  218.40  -58.37  136.80
    1.00  -74.20  233.40  -60.53  144.66
    2.00  -74.98  248.40  -62.82  152.18
    3.00  -79.58  263.40  -68.52  152.77
    4.00  -81.32  278.40  -71.61  154.05
    5.00  -81.70  293.40  -73.77  156.85
    6.00  -81.16  308.40  -75.77  161.82
    7.00  -80.47  323.40  -78.09  166.78
    8.00  -80.52  338.40  -80.64  165.53
    9.00  -80.43  353.40  -83.07  159.03
   10.00  -80.28    8.40  -84.91  140.32
   11.00  -80.22   23.40  -84.94  108.83
   12.00  -80.38   38.40  -82.98   89.55
   13.00  -80.16   53.40  -80.42   80.93
   14.00  -80.00   68.40  -77.54   79.46
   15.00  -79.78   83.40  -74.64   81.12
   16.00  -79.66   98.40  -71.95   84.94
   17.00  -79.43  113.40  -69.48   89.48
   18.00  -80.22  128.40  -68.23   96.66
   19.00  -80.31  143.40  -66.86  102.47
   20.00  -79.57  158.40  -65.06  107.69
   21.00  -77.94  173.40  -62.71  113.30
   22.00  -75.62  188.40  -60.01  120.11
   23.00  -74.14  203.40  -58.66  128.18
</PRE>


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