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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>
29 Apr 1997 20:38:30 yearsecs  10269510
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.77  118.00  -55.98   70.71
    1.00  -65.37  133.00  -53.27   81.04
    2.00  -66.30  148.00  -52.58   91.99
    3.00  -67.23  163.00  -52.39  102.49
    4.00  -66.91  178.00  -51.40  112.31
    5.00  -67.66  193.00  -51.99  122.20
    6.00  -67.62  208.00  -52.40  131.85
    7.00  -67.66  223.00  -53.45  141.54
    8.00  -68.47  238.00  -55.72  150.93
    9.00  -68.48  253.00  -57.63  160.77
   10.00  -68.21  268.00  -59.68  171.09
   11.00  -67.98  283.00  -62.18  181.69
   12.00  -68.02  298.00  -65.34  192.37
   13.00  -68.28  313.00  -69.10  203.39
   14.00  -68.76  328.00  -73.26  215.45
   15.00  -69.47  343.00  -77.62  229.92
   16.00  -70.27  358.00  -81.80  251.20
   17.00  -70.83   13.00  -84.53  293.59
   18.00  -70.77   28.00  -83.11  346.35
   19.00  -70.20   43.00  -78.85   13.14
   20.00  -69.28   58.00  -73.77   27.92
   21.00  -68.39   73.00  -68.79   39.61
   22.00  -67.60   88.00  -64.19   50.43
   23.00  -66.73  103.00  -59.89   60.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.91  118.00  -62.12   78.14
    1.00  -72.95  133.00  -60.92   88.18
    2.00  -73.81  148.00  -60.15   97.40
    3.00  -78.36  163.00  -63.59  108.70
    4.00  -80.31  178.00  -64.98  116.46
    5.00  -80.66  193.00  -65.17  122.76
    6.00  -80.05  208.00  -64.76  129.12
    7.00  -79.34  223.00  -64.68  135.97
    8.00  -79.59  238.00  -65.95  142.24
    9.00  -79.45  253.00  -67.24  148.75
   10.00  -79.46  268.00  -69.00  154.83
   11.00  -79.32  283.00  -70.99  160.91
   12.00  -79.36  298.00  -73.39  166.00
   13.00  -79.24  313.00  -75.97  170.79
   14.00  -79.14  328.00  -78.78  174.21
   15.00  -78.89  343.00  -81.74  175.90
   16.00  -78.90  358.00  -84.63  167.97
   17.00  -78.65   13.00  -86.83  136.60
   18.00  -79.29   28.00  -85.30   93.53
   19.00  -79.18   43.00  -82.67   77.02
   20.00  -78.30   58.00  -79.44   69.00
   21.00  -76.51   73.00  -75.26   64.73
   22.00  -74.29   88.00  -70.27   65.13
   23.00  -72.78  103.00  -65.73   70.54
</PRE>


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