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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>
02 Mar 1997 13:53:58 yearsecs   5234038
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.56  225.52  -49.82  144.57
    1.00  -63.62  240.52  -51.57  155.17
    2.00  -64.37  255.52  -54.31  165.53
    3.00  -65.11  270.52  -57.38  175.85
    4.00  -64.86  285.52  -59.94  187.27
    5.00  -66.04  300.52  -64.21  197.27
    6.00  -66.31  315.52  -68.07  209.16
    7.00  -66.18  330.52  -71.76  223.88
    8.00  -66.67  345.52  -75.85  241.38
    9.00  -66.34    0.52  -78.54  268.67
   10.00  -65.92   15.52  -79.14  305.30
   11.00  -65.73   30.52  -77.09  339.74
   12.00  -65.77   45.52  -73.47    4.37
   13.00  -66.02   60.52  -69.64   22.56
   14.00  -66.51   75.52  -66.17   37.86
   15.00  -67.21   90.52  -63.19   51.77
   16.00  -68.14  105.52  -60.79   64.61
   17.00  -69.22  120.52  -59.06   76.31
   18.00  -69.16  135.52  -56.82   85.92
   19.00  -68.52  150.52  -54.61   95.03
   20.00  -67.30  165.52  -52.32  104.19
   21.00  -66.24  180.52  -50.66  113.84
   22.00  -65.14  195.52  -49.53  123.78
   23.00  -64.09  210.52  -49.11  134.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.71  225.52  -56.55  141.97
    1.00  -71.84  240.52  -59.08  150.39
    2.00  -72.85  255.52  -61.84  158.39
    3.00  -75.04  270.52  -65.89  163.94
    4.00  -77.66  285.52  -70.28  166.07
    5.00  -78.43  300.52  -73.35  169.90
    6.00  -77.73  315.52  -75.88  177.73
    7.00  -77.38  330.52  -78.93  184.22
    8.00  -77.90  345.52  -82.32  183.21
    9.00  -77.64    0.52  -85.66  180.03
   10.00  -77.82   15.52  -87.80  128.08
   11.00  -77.63   30.52  -85.84   70.04
   12.00  -77.44   45.52  -82.28   61.84
   13.00  -77.25   60.52  -78.58   63.51
   14.00  -77.37   75.52  -75.14   69.22
   15.00  -77.00   90.52  -71.70   74.02
   16.00  -76.99  105.52  -68.83   80.61
   17.00  -75.83  120.52  -65.39   85.46
   18.00  -75.80  135.52  -63.38   92.90
   19.00  -76.16  150.52  -62.25  100.83
   20.00  -75.38  165.52  -60.46  107.98
   21.00  -73.31  180.52  -57.78  115.37
   22.00  -72.09  195.52  -56.45  123.85
   23.00  -71.01  210.52  -55.83  132.83
</PRE>


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