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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>
07 Nov 1997 13:49:58 yearsecs  26833798
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.10  216.78  -43.77  139.58
    1.00  -58.60  231.78  -45.75  150.77
    2.00  -59.11  246.78  -48.15  162.01
    3.00  -59.61  261.78  -50.92  173.37
    4.00  -59.40  276.78  -53.32  185.50
    5.00  -60.28  291.78  -57.07  197.05
    6.00  -61.87  306.78  -61.93  208.02
    7.00  -63.08  321.78  -66.78  220.26
    8.00  -63.12  336.78  -70.53  236.76
    9.00  -62.49  351.78  -73.19  259.14
   10.00  -62.06    6.78  -74.73  287.78
   11.00  -61.87   21.78  -74.00  319.40
   12.00  -61.91   36.78  -71.08  346.00
   13.00  -62.17   51.78  -67.40    6.18
   14.00  -62.65   66.78  -63.99   22.83
   15.00  -63.36   81.78  -61.09   38.01
   16.00  -64.29   96.78  -58.67   52.35
   17.00  -65.44  111.78  -56.78   65.73
   18.00  -65.56  126.78  -54.34   76.82
   19.00  -64.50  141.78  -51.33   86.56
   20.00  -62.87  156.78  -48.36   96.30
   21.00  -61.71  171.78  -46.36  106.70
   22.00  -59.99  186.78  -44.32  117.30
   23.00  -58.87  201.78  -43.55  128.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.41  216.78  -59.49  135.43
    1.00  -75.18  231.78  -61.31  143.12
    2.00  -76.02  246.78  -63.56  150.25
    3.00  -76.59  261.78  -65.90  157.08
    4.00  -77.71  276.78  -68.93  162.13
    5.00  -78.80  291.78  -72.05  165.57
    6.00  -79.07  306.78  -74.78  169.73
    7.00  -78.80  321.78  -77.50  174.83
    8.00  -78.75  336.78  -80.49  177.20
    9.00  -78.78  351.78  -83.51  173.98
   10.00  -78.35    6.78  -86.45  159.52
   11.00  -77.96   21.78  -87.26   96.24
   12.00  -77.66   36.78  -84.39   65.42
   13.00  -77.44   51.78  -80.75   62.54
   14.00  -77.30   66.78  -77.11   65.76
   15.00  -76.95   81.78  -73.52   70.12
   16.00  -76.99   96.78  -70.44   76.72
   17.00  -76.62  111.78  -67.46   82.69
   18.00  -76.28  126.78  -64.92   89.25
   19.00  -75.89  141.78  -62.79   96.15
   20.00  -75.55  156.78  -61.17  103.52
   21.00  -74.73  171.78  -59.50  111.00
   22.00  -74.81  186.78  -59.20  119.13
   23.00  -74.09  201.78  -58.56  127.30
</PRE>


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