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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 Mar 1997 22:59:19 yearsecs   5698759
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.76   90.33  -58.42   44.71
    1.00  -63.25  105.33  -55.74   58.06
    2.00  -63.81  120.33  -53.54   70.47
    3.00  -64.36  135.33  -51.92   81.91
    4.00  -64.07  150.33  -50.09   92.31
    5.00  -65.38  165.33  -50.38  103.32
    6.00  -65.73  180.33  -50.15  113.61
    7.00  -65.61  195.33  -49.99  123.66
    8.00  -66.31  210.33  -51.25  133.57
    9.00  -65.73  225.33  -51.84  143.73
   10.00  -65.27  240.33  -53.06  154.21
   11.00  -65.08  255.33  -54.93  164.89
   12.00  -65.12  270.33  -57.35  175.70
   13.00  -65.37  285.33  -60.36  186.54
   14.00  -65.86  300.33  -64.01  197.38
   15.00  -66.56  315.33  -68.24  208.54
   16.00  -67.50  330.33  -72.83  220.80
   17.00  -68.14  345.33  -77.10  237.19
   18.00  -67.97    0.33  -80.11  264.37
   19.00  -67.98   15.33  -81.44  304.08
   20.00  -66.66   30.33  -78.19  340.77
   21.00  -65.56   45.33  -73.29    3.70
   22.00  -64.39   60.33  -67.81   19.20
   23.00  -63.21   75.33  -62.50   31.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.88   90.33  -64.91   54.61
    1.00  -70.14  105.33  -62.80   67.49
    2.00  -71.21  120.33  -61.05   78.62
    3.00  -72.46  135.33  -60.15   88.97
    4.00  -75.52  150.33  -61.64  100.15
    5.00  -76.59  165.33  -61.69  108.61
    6.00  -75.76  180.33  -60.27  115.92
    7.00  -74.88  195.33  -59.26  123.74
    8.00  -75.93  210.33  -60.68  131.50
    9.00  -75.52  225.33  -61.12  139.49
   10.00  -75.57  240.33  -62.47  147.33
   11.00  -75.49  255.33  -64.11  155.29
   12.00  -75.17  270.33  -65.96  163.63
   13.00  -75.07  285.33  -68.39  171.72
   14.00  -75.34  300.33  -71.47  178.86
   15.00  -74.95  315.33  -74.44  187.86
   16.00  -74.85  330.33  -77.90  196.62
   17.00  -73.14  345.33  -80.78  216.68
   18.00  -72.97    0.33  -84.48  239.71
   19.00  -73.86   15.33  -87.89  298.66
   20.00  -73.24   30.33  -84.82    8.32
   21.00  -71.05   45.33  -78.97   19.73
   22.00  -70.11   60.33  -73.91   32.67
   23.00  -69.11   75.33  -68.89   43.24
</PRE>


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