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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>
16 Jun 1997 19:25:33 yearsecs  14412333
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.45  135.51  -50.96   81.37
    1.00  -63.57  150.51  -49.55   92.17
    2.00  -64.29  165.51  -49.27  103.04
    3.00  -65.01  180.51  -49.42  113.59
    4.00  -64.75  195.51  -49.14  123.77
    5.00  -65.95  210.51  -50.91  133.74
    6.00  -66.23  225.51  -52.33  143.68
    7.00  -66.09  240.51  -53.84  153.90
    8.00  -66.79  255.51  -56.48  163.77
    9.00  -66.25  270.51  -58.38  174.78
   10.00  -65.90  285.51  -60.86  186.06
   11.00  -65.64  300.51  -63.86  197.82
   12.00  -65.68  315.51  -67.52  210.23
   13.00  -65.94  330.51  -71.54  224.34
   14.00  -66.42  345.51  -75.62  241.96
   15.00  -67.13    0.51  -79.32  266.91
   16.00  -68.06   15.51  -81.52  304.57
   17.00  -69.15   30.51  -80.90  346.73
   18.00  -69.09   45.51  -77.08   12.75
   19.00  -68.45   60.51  -72.24   28.16
   20.00  -67.22   75.51  -66.93   39.26
   21.00  -66.15   90.51  -62.09   49.98
   22.00  -65.04  105.51  -57.61   60.41
   23.00  -63.98  120.51  -53.68   70.76
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.75  135.51  -59.42   88.35
    1.00  -72.87  150.51  -58.99   98.05
    2.00  -73.86  165.51  -58.93  107.15
    3.00  -75.85  180.51  -60.36  116.03
    4.00  -78.36  195.51  -62.81  123.81
    5.00  -79.15  210.51  -63.93  130.53
    6.00  -78.54  225.51  -64.05  137.66
    7.00  -77.94  240.51  -64.66  145.14
    8.00  -78.75  255.51  -66.92  150.90
    9.00  -78.46  270.51  -68.58  157.87
   10.00  -78.59  285.51  -70.90  163.74
   11.00  -78.37  300.51  -73.31  170.08
   12.00  -78.12  315.51  -76.04  176.16
   13.00  -77.91  330.51  -79.06  181.34
   14.00  -78.00  345.51  -82.32  182.41
   15.00  -77.62    0.51  -85.67  180.35
   16.00  -77.56   15.51  -88.08  128.83
   17.00  -76.39   30.51  -86.10   50.92
   18.00  -76.31   45.51  -82.11   52.63
   19.00  -76.68   60.51  -78.38   60.41
   20.00  -75.96   75.51  -74.36   63.76
   21.00  -74.02   90.51  -69.48   65.86
   22.00  -72.94  105.51  -65.37   72.32
   23.00  -71.98  120.51  -61.77   79.73
</PRE>


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