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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>
08 Aug 1997 15:24:44 yearsecs  18977084
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.47  208.07  -46.42  132.67
    1.00  -62.15  223.07  -48.25  143.25
    2.00  -62.83  238.07  -50.53  153.78
    3.00  -63.52  253.07  -53.18  164.30
    4.00  -62.96  268.07  -55.04  175.85
    5.00  -64.20  283.07  -58.87  186.12
    6.00  -65.05  298.07  -62.78  196.71
    7.00  -65.49  313.07  -66.75  208.41
    8.00  -66.18  328.07  -71.14  221.29
    9.00  -65.49  343.07  -74.22  240.58
   10.00  -64.91  358.07  -76.72  266.43
   11.00  -64.59   13.07  -77.69  299.89
   12.00  -64.52   28.07  -76.14  333.46
   13.00  -64.68   43.07  -72.85  358.98
   14.00  -65.08   58.07  -69.23   18.08
   15.00  -65.71   73.07  -65.93   34.11
   16.00  -66.56   88.07  -63.10   48.67
   17.00  -67.64  103.07  -60.80   62.09
   18.00  -67.56  118.07  -57.80   72.73
   19.00  -66.80  133.07  -54.73   82.26
   20.00  -65.37  148.07  -51.61   91.47
   21.00  -64.29  163.07  -49.41  101.34
   22.00  -63.00  178.07  -47.46  111.51
   23.00  -61.92  193.07  -46.29  121.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.10  208.07  -54.82  131.52
    1.00  -71.03  223.07  -56.66  140.36
    2.00  -72.02  238.07  -58.97  148.81
    3.00  -72.91  253.07  -61.57  156.89
    4.00  -75.35  268.07  -65.76  162.17
    5.00  -76.47  283.07  -69.03  167.67
    6.00  -76.11  298.07  -71.52  175.71
    7.00  -75.39  313.07  -74.19  185.21
    8.00  -76.00  328.07  -77.89  190.16
    9.00  -76.05  343.07  -81.48  196.63
   10.00  -76.03  358.07  -85.24  202.70
   11.00  -75.80   13.07  -89.18  212.03
   12.00  -75.49   28.07  -86.67   34.44
   13.00  -75.40   43.07  -82.48   44.08
   14.00  -75.42   58.07  -78.44   52.63
   15.00  -74.95   73.07  -74.31   58.78
   16.00  -74.81   88.07  -70.65   66.57
   17.00  -73.40  103.07  -66.27   71.77
   18.00  -73.18  118.07  -63.32   80.00
   19.00  -73.42  133.07  -61.37   88.74
   20.00  -73.20  148.07  -59.53   96.93
   21.00  -71.39  163.07  -56.58  104.47
   22.00  -70.93  178.07  -55.44  113.33
   23.00  -69.91  193.07  -54.24  122.34
</PRE>


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