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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>
27 Apr 1997 12:40:11 yearsecs  10068011
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.95  243.75  -49.49  158.82
    1.00  -62.37  258.75  -52.99  169.25
    2.00  -63.34  273.75  -56.36  179.84
    3.00  -66.83  288.75  -62.33  187.29
    4.00  -67.07  303.75  -65.85  198.21
    5.00  -68.54  318.75  -70.74  207.61
    6.00  -69.58  333.75  -75.37  218.95
    7.00  -70.93  348.75  -80.17  232.07
    8.00  -70.21    3.75  -82.85  265.23
    9.00  -69.55   18.75  -83.05  314.79
   10.00  -68.58   33.75  -79.57  351.92
   11.00  -67.77   48.75  -74.81   13.19
   12.00  -67.30   63.75  -70.16   28.59
   13.00  -67.18   78.75  -66.05   41.99
   14.00  -67.38   93.75  -62.60   54.59
   15.00  -67.89  108.75  -59.88   66.57
   16.00  -68.43  123.75  -57.74   77.55
   17.00  -68.39  138.75  -55.66   87.34
   18.00  -68.40  153.75  -54.22   97.03
   19.00  -67.57  168.75  -52.42  106.41
   20.00  -66.80  183.75  -51.16  116.08
   21.00  -66.09  198.75  -50.54  125.93
   22.00  -64.90  213.75  -50.10  136.11
   23.00  -62.64  228.75  -49.28  147.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.95  243.75  -54.11  156.21
    1.00  -67.37  258.75  -57.48  165.54
    2.00  -68.34  273.75  -60.78  174.86
    3.00  -75.24  288.75  -69.14  173.15
    4.00  -77.60  303.75  -73.50  173.79
    5.00  -77.82  318.75  -76.57  178.46
    6.00  -77.26  333.75  -79.62  185.80
    7.00  -76.02  348.75  -82.88  199.23
    8.00  -76.14    3.75  -86.71  201.87
    9.00  -76.17   18.75  -89.19   65.68
   10.00  -75.89   33.75  -85.19   44.14
   11.00  -75.98   48.75  -81.15   51.39
   12.00  -76.31   63.75  -77.41   59.83
   13.00  -76.08   78.75  -73.67   65.74
   14.00  -75.85   93.75  -70.21   72.30
   15.00  -75.63  108.75  -67.14   79.23
   16.00  -75.40  123.75  -64.52   86.39
   17.00  -75.16  138.75  -62.40   93.78
   18.00  -76.50  153.75  -62.33  102.75
   19.00  -76.82  168.75  -61.75  110.45
   20.00  -75.81  183.75  -60.26  117.71
   21.00  -73.50  198.75  -57.91  125.66
   22.00  -69.90  213.75  -54.92  135.04
   23.00  -67.64  228.75  -53.97  145.29
</PRE>


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