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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>
07 Apr 1997 21:47:29 yearsecs   8372849
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.08  103.69  -59.07   60.35
    1.00  -65.86  118.69  -55.95   71.31
    2.00  -66.70  133.69  -54.55   82.60
    3.00  -67.54  148.69  -53.77   93.21
    4.00  -67.15  163.69  -52.27  102.91
    5.00  -67.81  178.69  -52.29  112.97
    6.00  -67.71  193.69  -52.05  122.64
    7.00  -67.84  208.69  -52.64  132.26
    8.00  -68.73  223.69  -54.52  141.61
    9.00  -68.89  238.69  -56.18  151.14
   10.00  -68.64  253.69  -57.87  161.10
   11.00  -68.45  268.69  -60.00  171.31
   12.00  -68.48  283.69  -62.74  181.53
   13.00  -68.74  298.69  -66.10  191.70
   14.00  -69.22  313.69  -70.03  202.02
   15.00  -69.93  328.69  -74.35  213.01
   16.00  -70.68  343.69  -78.72  226.41
   17.00  -71.04  358.69  -82.61  248.96
   18.00  -71.09   13.69  -84.84  295.84
   19.00  -70.49   28.69  -82.67  346.98
   20.00  -69.62   43.69  -78.10   11.99
   21.00  -68.78   58.69  -73.08   27.20
   22.00  -68.05   73.69  -68.26   39.45
   23.00  -67.16   88.69  -63.57   50.21
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.26  103.69  -64.20   68.25
    1.00  -72.34  118.69  -62.42   79.16
    2.00  -73.16  133.69  -61.04   88.80
    3.00  -78.17  148.69  -64.37  101.99
    4.00  -80.11  163.69  -65.31  110.39
    5.00  -80.47  178.69  -65.13  116.82
    6.00  -79.80  193.69  -64.29  123.01
    7.00  -78.93  208.69  -63.65  129.79
    8.00  -79.08  223.69  -64.48  136.45
    9.00  -78.98  238.69  -65.45  143.21
   10.00  -78.86  253.69  -66.81  149.94
   11.00  -78.85  268.69  -68.63  156.33
   12.00  -79.02  283.69  -70.90  161.95
   13.00  -78.83  298.69  -73.23  167.98
   14.00  -78.70  313.69  -75.91  173.21
   15.00  -78.49  328.69  -78.81  177.80
   16.00  -78.44  343.69  -81.91  179.15
   17.00  -78.23  358.69  -85.07  174.58
   18.00  -79.08   13.69  -86.42  132.42
   19.00  -79.16   28.69  -85.30   91.08
   20.00  -78.32   43.69  -82.69   69.45
   21.00  -76.50   58.69  -78.76   58.75
   22.00  -74.00   73.69  -73.50   55.81
   23.00  -72.36   88.69  -68.52   60.75
</PRE>


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