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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>
28 Feb 1997 20:58:16 yearsecs   5086696
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.42  120.91  -53.03   70.54
    1.00  -63.55  135.91  -51.02   81.74
    2.00  -64.27  150.91  -50.24   92.82
    3.00  -64.98  165.91  -49.95  103.57
    4.00  -64.72  180.91  -49.13  113.82
    5.00  -65.92  195.91  -50.31  124.05
    6.00  -66.20  210.91  -51.18  133.97
    7.00  -66.07  225.91  -52.22  144.00
    8.00  -66.76  240.91  -54.50  153.81
    9.00  -66.22  255.91  -56.04  164.48
   10.00  -65.83  270.91  -58.09  175.46
   11.00  -65.62  285.91  -60.69  186.69
   12.00  -65.65  300.91  -63.96  198.13
   13.00  -65.91  315.91  -67.82  210.19
   14.00  -66.39  330.91  -72.04  223.84
   15.00  -67.10  345.91  -76.32  240.87
   16.00  -68.03    0.91  -80.27  265.50
   17.00  -69.12   15.91  -82.70  305.47
   18.00  -69.07   30.91  -80.73  347.42
   19.00  -68.43   45.91  -76.29   11.29
   20.00  -67.19   60.91  -70.82   25.50
   21.00  -66.12   75.91  -65.66   37.47
   22.00  -65.01   90.91  -60.79   48.51
   23.00  -63.94  105.91  -56.36   59.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.14  120.91  -62.82   81.56
    1.00  -74.22  135.91  -61.81   91.22
    2.00  -75.18  150.91  -61.25  100.15
    3.00  -77.01  165.91  -62.08  109.16
    4.00  -79.36  180.91  -63.94  117.33
    5.00  -80.12  195.91  -64.62  123.96
    6.00  -79.61  210.91  -64.40  130.53
    7.00  -79.11  225.91  -64.64  137.42
    8.00  -79.89  240.91  -66.48  143.11
    9.00  -79.69  255.91  -67.75  149.56
   10.00  -79.86  270.91  -69.67  155.11
   11.00  -79.75  285.91  -71.69  160.81
   12.00  -79.47  300.91  -73.93  166.57
   13.00  -79.22  315.91  -76.50  171.61
   14.00  -79.24  330.91  -79.35  173.92
   15.00  -78.84  345.91  -82.33  175.69
   16.00  -78.74    0.91  -85.23  166.19
   17.00  -77.61   15.91  -88.04  125.95
   18.00  -77.48   30.91  -85.81   67.46
   19.00  -77.79   45.91  -82.21   64.68
   20.00  -77.09   60.91  -78.43   62.75
   21.00  -75.26   75.91  -73.82   61.42
   22.00  -74.23   90.91  -69.56   66.62
   23.00  -73.31  105.91  -65.63   73.24
</PRE>


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