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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
19 Aug 1997 19:53:40 yearsecs  19943620
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.48  130.97  -49.48   76.59
    1.00  -63.21  145.97  -49.58   88.74
    2.00  -64.43  160.97  -49.67   99.93
    3.00  -68.11  175.97  -52.66  111.27
    4.00  -67.73  190.97  -52.05  120.89
    5.00  -68.40  205.97  -53.06  130.45
    6.00  -68.40  220.97  -53.99  139.99
    7.00  -68.89  235.97  -55.88  149.38
    8.00  -69.90  250.97  -58.61  158.32
    9.00  -70.03  265.97  -60.93  167.83
   10.00  -69.65  280.97  -63.22  178.11
   11.00  -69.35  295.97  -66.00  188.77
   12.00  -69.30  310.97  -69.43  199.75
   13.00  -69.51  325.97  -73.34  211.64
   14.00  -69.98  340.97  -77.51  225.66
   15.00  -70.61  355.97  -81.64  245.56
   16.00  -70.09   10.97  -83.62  287.80
   17.00  -69.52   25.97  -82.16  336.57
   18.00  -70.59   40.97  -79.76   11.71
   19.00  -70.48   55.97  -75.47   29.61
   20.00  -70.06   70.97  -70.95   41.96
   21.00  -68.00   85.97  -65.09   49.55
   22.00  -64.67  100.97  -58.17   56.31
   23.00  -62.79  115.97  -53.21   66.11
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.48  130.97  -54.69   80.56
    1.00  -68.21  145.97  -54.70   91.88
    2.00  -69.43  160.97  -54.74  102.19
    3.00  -76.16  175.97  -60.81  113.79
    4.00  -78.53  190.97  -62.97  121.71
    5.00  -79.12  205.97  -63.76  128.50
    6.00  -78.46  220.97  -63.71  135.62
    7.00  -77.39  235.97  -63.75  143.51
    8.00  -77.49  250.97  -65.33  150.60
    9.00  -77.34  265.97  -67.08  157.89
   10.00  -76.92  280.97  -69.01  165.71
   11.00  -76.82  295.97  -71.57  172.82
   12.00  -76.94  310.97  -74.59  178.95
   13.00  -76.53  325.97  -77.63  186.83
   14.00  -76.08  340.97  -80.98  195.52
   15.00  -75.61  355.97  -84.62  206.74
   16.00  -75.09   10.97  -88.40  239.90
   17.00  -74.52   25.97  -86.82   13.09
   18.00  -75.59   40.97  -83.13   44.49
   19.00  -75.48   55.97  -79.03   51.84
   20.00  -75.06   70.97  -74.91   58.02
   21.00  -73.00   85.97  -69.70   60.55
   22.00  -69.67  100.97  -63.26   63.74
   23.00  -67.79  115.97  -58.40   71.53
</PRE>


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