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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>
31 Mar 1997 19:50:50 yearsecs   7761050
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.27  133.36  -51.04   79.68
    1.00  -64.30  148.36  -50.48   91.05
    2.00  -65.39  163.36  -50.50  101.97
    3.00  -66.48  178.36  -50.95  112.45
    4.00  -66.30  193.36  -50.65  122.37
    5.00  -67.24  208.36  -52.04  132.14
    6.00  -67.35  223.36  -53.20  141.87
    7.00  -67.20  238.36  -54.59  151.86
    8.00  -67.86  253.36  -57.13  161.49
    9.00  -67.52  268.36  -59.14  172.02
   10.00  -67.15  283.36  -61.53  182.98
   11.00  -66.92  298.36  -64.48  194.31
   12.00  -66.95  313.36  -68.08  206.16
   13.00  -67.21  328.36  -72.09  219.42
   14.00  -67.69  343.36  -76.24  235.72
   15.00  -68.40  358.36  -80.17  258.87
   16.00  -69.33   13.36  -82.92  297.05
   17.00  -70.28   28.36  -82.53  345.33
   18.00  -70.05   43.36  -78.60   13.06
   19.00  -69.52   58.36  -73.90   28.97
   20.00  -68.48   73.36  -68.79   40.13
   21.00  -67.48   88.36  -63.98   50.51
   22.00  -65.50  103.36  -58.54   59.32
   23.00  -63.95  118.36  -54.01   69.11
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.27  133.36  -56.20   83.73
    1.00  -69.40  148.36  -55.69   94.23
    2.00  -70.49  163.36  -55.66  104.19
    3.00  -75.06  178.36  -59.62  114.67
    4.00  -77.60  193.36  -62.02  122.78
    5.00  -77.97  208.36  -62.67  129.92
    6.00  -77.19  223.36  -62.61  137.52
    7.00  -76.52  238.36  -63.15  145.47
    8.00  -77.00  253.36  -65.18  152.38
    9.00  -76.61  268.36  -66.82  160.28
   10.00  -76.81  283.36  -69.33  167.05
   11.00  -76.37  298.36  -71.74  175.13
   12.00  -76.61  313.36  -74.92  181.14
   13.00  -76.35  328.36  -78.10  188.67
   14.00  -76.36  343.36  -81.63  194.55
   15.00  -76.02  358.36  -85.31  202.89
   16.00  -76.29   13.36  -89.09  176.71
   17.00  -75.89   28.36  -86.66   42.16
   18.00  -76.25   43.36  -82.66   51.37
   19.00  -75.84   58.36  -78.56   54.97
   20.00  -74.70   73.36  -74.07   58.04
   21.00  -72.51   88.36  -68.72   60.88
   22.00  -70.50  103.36  -63.54   66.74
   23.00  -68.95  118.36  -59.15   74.54
</PRE>


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