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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
10 Jul 1997 17:54:15 yearsecs  16480455
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.44  163.02  -46.50  100.25
    1.00  -62.09  178.02  -46.55  111.28
    2.00  -62.75  193.02  -47.12  121.99
    3.00  -63.41  208.02  -48.30  132.41
    4.00  -62.82  223.02  -48.88  143.03
    5.00  -64.02  238.02  -51.63  153.20
    6.00  -64.84  253.02  -54.37  163.41
    7.00  -65.23  268.02  -57.06  173.92
    8.00  -65.93  283.02  -60.39  184.18
    9.00  -65.56  298.02  -63.22  195.98
   10.00  -64.98  313.02  -66.29  209.17
   11.00  -64.63  328.02  -69.76  224.14
   12.00  -64.53  343.02  -73.32  242.42
   13.00  -64.69  358.02  -76.49  266.71
   14.00  -65.09   13.02  -78.25  299.47
   15.00  -65.72   28.02  -77.56  334.64
   16.00  -66.59   43.02  -75.07    2.58
   17.00  -67.68   58.02  -72.14   23.65
   18.00  -67.33   73.02  -67.70   37.30
   19.00  -66.89   88.02  -63.46   49.19
   20.00  -65.50  103.02  -58.61   59.05
   21.00  -64.36  118.02  -54.51   69.27
   22.00  -63.03  133.02  -50.83   79.26
   23.00  -61.92  148.02  -48.06   89.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.96  163.02  -55.15  103.73
    1.00  -71.10  178.02  -55.61  113.34
    2.00  -72.25  193.02  -56.59  122.40
    3.00  -73.29  208.02  -57.96  130.90
    4.00  -75.79  223.02  -61.23  138.13
    5.00  -76.99  238.02  -63.56  144.87
    6.00  -76.77  253.02  -64.93  152.52
    7.00  -76.20  268.02  -66.45  160.78
    8.00  -76.99  283.02  -69.40  166.51
    9.00  -76.87  298.02  -71.99  173.60
   10.00  -76.78  313.02  -74.93  180.40
   11.00  -76.66  328.02  -78.14  187.00
   12.00  -76.19  343.02  -81.51  195.66
   13.00  -75.92  358.02  -85.21  204.02
   14.00  -75.75   13.02  -89.16  216.15
   15.00  -75.07   28.02  -86.55   26.93
   16.00  -74.69   43.02  -82.19   38.41
   17.00  -72.95   58.02  -76.92   40.89
   18.00  -72.33   73.02  -72.39   50.00
   19.00  -72.26   88.02  -68.59   60.07
   20.00  -72.14  103.02  -65.15   69.37
   21.00  -70.57  118.02  -60.81   76.35
   22.00  -70.35  133.02  -58.34   85.46
   23.00  -69.53  148.02  -55.85   94.10
</PRE>


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