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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>
20 Jul 1997 15:54:28 yearsecs  17337268
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.57  200.68  -48.12  127.32
    1.00  -63.63  215.68  -49.03  137.68
    2.00  -64.38  230.68  -51.12  147.89
    3.00  -65.12  245.68  -53.60  158.03
    4.00  -64.87  260.68  -55.55  168.89
    5.00  -66.04  275.68  -59.11  178.70
    6.00  -66.31  290.68  -62.27  189.40
    7.00  -66.17  305.68  -65.53  201.16
    8.00  -66.63  320.68  -69.65  213.20
    9.00  -66.42  335.68  -73.26  229.14
   10.00  -65.97  350.68  -76.35  251.01
   11.00  -65.77    5.68  -78.60  281.19
   12.00  -65.79   20.68  -78.67  318.09
   13.00  -66.05   35.68  -76.32  349.81
   14.00  -66.53   50.68  -72.92   12.61
   15.00  -67.23   65.68  -69.56   30.31
   16.00  -68.16   80.68  -66.57   45.58
   17.00  -69.24   95.68  -64.01   59.23
   18.00  -69.17  110.68  -60.78   69.67
   19.00  -68.53  125.68  -57.54   78.94
   20.00  -67.31  140.68  -54.34   87.77
   21.00  -66.25  155.68  -51.88   97.14
   22.00  -65.15  170.68  -49.89  106.91
   23.00  -64.10  185.68  -48.44  117.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.90  200.68  -58.35  126.71
    1.00  -74.93  215.68  -59.94  134.65
    2.00  -75.85  230.68  -61.85  142.08
    3.00  -77.74  245.68  -64.98  147.79
    4.00  -79.95  260.68  -68.49  151.00
    5.00  -80.65  275.68  -70.83  154.96
    6.00  -80.16  290.68  -72.64  161.17
    7.00  -79.69  305.68  -74.84  167.10
    8.00  -80.41  320.68  -77.61  166.86
    9.00  -80.22  335.68  -80.22  167.90
   10.00  -80.28  350.68  -82.73  162.18
   11.00  -80.05    5.68  -84.90  146.66
   12.00  -79.82   20.68  -85.53  112.97
   13.00  -79.59   35.68  -83.88   85.73
   14.00  -79.62   50.68  -81.03   77.87
   15.00  -79.25   65.68  -77.95   75.35
   16.00  -79.18   80.68  -74.90   78.10
   17.00  -78.16   95.68  -71.47   79.54
   18.00  -78.08  110.68  -68.83   85.31
   19.00  -78.32  125.68  -66.90   92.08
   20.00  -77.63  140.68  -64.58   97.69
   21.00  -75.87  155.68  -61.57  103.20
   22.00  -74.91  170.68  -59.73  110.49
   23.00  -74.08  185.68  -58.46  118.42
</PRE>


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