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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 Jan 1997 13:59:46 yearsecs   2296786
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.93  220.49  -49.71  140.95
    1.00  -63.80  235.49  -51.12  151.51
    2.00  -64.63  250.49  -53.82  161.74
    3.00  -65.46  265.49  -56.85  171.89
    4.00  -65.24  280.49  -59.29  183.08
    5.00  -66.35  295.49  -63.35  192.95
    6.00  -66.58  310.49  -67.06  204.41
    7.00  -66.44  325.49  -70.71  218.15
    8.00  -67.13  340.49  -75.06  233.39
    9.00  -66.67  355.49  -77.99  257.85
   10.00  -66.24   10.49  -79.45  292.29
   11.00  -66.04   25.49  -78.35  329.52
   12.00  -66.08   40.49  -75.15  357.73
   13.00  -66.33   55.49  -71.37   17.80
   14.00  -66.82   70.49  -67.82   33.93
   15.00  -67.52   85.49  -64.72   48.27
   16.00  -68.45  100.49  -62.17   61.43
   17.00  -69.50  115.49  -60.20   73.33
   18.00  -69.39  130.49  -57.71   82.93
   19.00  -68.78  145.49  -55.33   91.98
   20.00  -67.61  160.49  -52.93  101.01
   21.00  -66.56  175.49  -51.12  110.56
   22.00  -65.50  190.49  -49.83  120.42
   23.00  -64.51  205.49  -49.24  130.55
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.11  220.49  -58.46  138.01
    1.00  -74.17  235.49  -60.70  145.84
    2.00  -75.13  250.49  -63.19  153.15
    3.00  -77.53  265.49  -67.16  157.36
    4.00  -79.77  280.49  -70.91  158.85
    5.00  -80.41  295.49  -73.50  161.78
    6.00  -79.91  310.49  -75.74  167.43
    7.00  -79.66  325.49  -78.37  171.15
    8.00  -80.05  340.49  -81.10  168.14
    9.00  -79.74  355.49  -83.77  162.71
   10.00  -79.84   10.49  -85.48  138.10
   11.00  -79.57   25.49  -85.37  100.77
   12.00  -79.40   40.49  -83.09   80.17
   13.00  -79.15   55.49  -80.07   74.13
   14.00  -79.16   70.49  -76.93   75.66
   15.00  -78.79   85.49  -73.78   78.00
   16.00  -78.77  100.49  -71.03   83.09
   17.00  -77.88  115.49  -67.93   86.91
   18.00  -77.87  130.49  -65.91   93.43
   19.00  -77.97  145.49  -64.46  100.31
   20.00  -77.24  160.49  -62.61  106.67
   21.00  -75.47  175.49  -60.12  113.28
   22.00  -74.31  190.49  -58.67  121.09
   23.00  -73.35  205.49  -57.93  129.46
</PRE>


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