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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>
28 Oct 1997 14:08:08 yearsecs  25970888
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.71  213.56  -47.99  136.38
    1.00  -63.21  228.56  -49.80  146.83
    2.00  -63.77  243.56  -52.09  157.27
    3.00  -64.31  258.56  -54.72  167.77
    4.00  -64.02  273.56  -56.94  179.09
    5.00  -65.33  288.56  -60.98  189.02
    6.00  -65.69  303.56  -64.61  200.18
    7.00  -65.57  318.56  -68.20  213.16
    8.00  -66.17  333.56  -72.52  227.23
    9.00  -65.63  348.56  -75.58  248.35
   10.00  -65.21    3.56  -77.79  277.26
   11.00  -65.02   18.56  -77.98  312.84
   12.00  -65.06   33.56  -75.66  344.48
   13.00  -65.32   48.56  -72.13    7.47
   14.00  -65.81   63.56  -68.57   25.21
   15.00  -66.52   78.56  -65.41   40.55
   16.00  -67.45   93.56  -62.72   54.57
   17.00  -68.60  108.56  -60.63   67.41
   18.00  -68.64  123.56  -57.97   77.64
   19.00  -67.94  138.56  -55.22   86.85
   20.00  -66.62  153.56  -52.42   95.90
   21.00  -65.52  168.56  -50.36  105.57
   22.00  -64.34  183.56  -48.70  115.57
   23.00  -63.16  198.56  -47.64  125.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.87  213.56  -56.83  134.42
    1.00  -73.08  228.56  -59.05  142.62
    2.00  -74.12  243.56  -61.49  150.35
    3.00  -75.28  258.56  -64.36  157.25
    4.00  -78.00  273.56  -68.66  160.13
    5.00  -79.05  288.56  -71.68  163.68
    6.00  -78.61  303.56  -73.98  170.36
    7.00  -78.27  318.56  -76.70  176.43
    8.00  -79.49  333.56  -79.87  172.56
    9.00  -79.33  348.56  -82.73  170.81
   10.00  -78.94    3.56  -85.53  159.83
   11.00  -78.54   18.56  -86.98  114.33
   12.00  -78.04   33.56  -85.02   72.03
   13.00  -77.77   48.56  -81.57   64.54
   14.00  -77.84   63.56  -78.05   67.52
   15.00  -77.38   78.56  -74.47   70.41
   16.00  -77.18   93.56  -71.21   75.86
   17.00  -75.61  108.56  -67.16   79.10
   18.00  -75.36  123.56  -64.51   86.23
   19.00  -76.05  138.56  -63.28   94.72
   20.00  -75.44  153.56  -61.30  101.76
   21.00  -73.46  168.56  -58.37  108.66
   22.00  -72.70  183.56  -57.10  116.97
   23.00  -71.95  198.56  -56.35  125.63
</PRE>


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