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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>
18 Apr 1997 00:46:10 yearsecs   9247570
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.93   58.62  -67.73   16.59
    1.00  -63.80   73.62  -63.62   31.25
    2.00  -64.63   88.62  -60.91   45.98
    3.00  -65.46  103.62  -58.45   59.48
    4.00  -65.24  118.62  -55.32   70.61
    5.00  -66.35  133.62  -54.20   82.26
    6.00  -66.58  148.62  -52.80   92.57
    7.00  -66.44  163.62  -51.56  102.57
    8.00  -67.13  178.62  -51.60  112.76
    9.00  -66.66  193.62  -51.00  122.56
   10.00  -66.23  208.62  -51.08  132.45
   11.00  -66.04  223.62  -51.98  142.47
   12.00  -66.08  238.62  -53.59  152.62
   13.00  -66.33  253.62  -55.80  162.80
   14.00  -66.82  268.62  -58.56  172.89
   15.00  -67.52  283.62  -61.90  182.71
   16.00  -68.45  298.62  -65.85  192.12
   17.00  -69.50  313.62  -70.23  201.37
   18.00  -69.39  328.62  -73.92  214.41
   19.00  -68.78  343.62  -77.22  232.92
   20.00  -67.61  358.62  -79.47  261.67
   21.00  -66.56   13.62  -79.87  300.09
   22.00  -65.50   28.62  -77.19  335.61
   23.00  -64.51   43.62  -72.51  359.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.93   58.62  -78.04   50.44
    1.00  -75.95   73.62  -74.80   62.82
    2.00  -76.88   88.62  -72.01   72.84
    3.00  -79.08  103.62  -70.71   85.04
    4.00  -81.11  118.62  -70.07   95.23
    5.00  -81.73  133.62  -68.99  101.38
    6.00  -81.38  148.62  -67.46  105.94
    7.00  -81.15  163.62  -66.35  111.27
    8.00  -81.44  178.62  -66.13  117.24
    9.00  -81.10  193.62  -65.63  123.03
   10.00  -81.12  208.62  -65.86  128.99
   11.00  -80.82  223.62  -66.17  135.13
   12.00  -80.61  238.62  -66.94  141.30
   13.00  -80.34  253.62  -68.05  147.58
   14.00  -80.30  268.62  -69.70  153.30
   15.00  -79.92  283.62  -71.45  159.55
   16.00  -79.86  298.62  -73.73  164.51
   17.00  -79.01  313.62  -76.00  171.90
   18.00  -78.97  328.62  -78.87  175.21
   19.00  -79.03  343.62  -81.84  174.69
   20.00  -78.42  358.62  -84.97  172.51
   21.00  -76.86   13.62  -88.67  152.57
   22.00  -75.87   28.62  -86.59   41.88
   23.00  -75.08   43.62  -82.20   41.83
</PRE>


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