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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>
23 Jun 1997 14:36:40 yearsecs  14999800
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.05  220.79  -47.94  141.65
    1.00  -62.63  235.79  -50.06  152.23
    2.00  -63.21  250.79  -52.57  162.83
    3.00  -63.78  265.79  -55.39  173.49
    4.00  -63.31  280.79  -57.63  185.28
    5.00  -64.54  295.79  -61.82  195.59
    6.00  -65.07  310.79  -65.82  207.10
    7.00  -65.10  325.79  -69.61  221.00
    8.00  -65.57  340.79  -73.75  237.33
    9.00  -65.29  355.79  -76.71  261.39
   10.00  -64.86   10.79  -77.96  294.30
   11.00  -64.66   25.79  -76.70  328.92
   12.00  -64.68   40.79  -73.45  355.67
   13.00  -64.92   55.79  -69.67   15.29
   14.00  -65.39   70.79  -66.18   31.41
   15.00  -66.09   85.79  -63.15   45.96
   16.00  -67.01  100.79  -60.64   59.45
   17.00  -68.15  115.79  -58.80   71.85
   18.00  -68.16  130.79  -56.43   81.95
   19.00  -67.48  145.79  -53.98   91.27
   20.00  -66.08  160.79  -51.36  100.51
   21.00  -64.98  175.79  -49.52  110.37
   22.00  -63.70  190.79  -48.04  120.49
   23.00  -62.53  205.79  -47.33  130.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.34  220.79  -56.78  138.87
    1.00  -72.38  235.79  -59.07  147.23
    2.00  -73.35  250.79  -61.66  155.14
    3.00  -74.31  265.79  -64.56  162.46
    4.00  -76.84  280.79  -68.93  165.79
    5.00  -77.89  295.79  -72.20  169.76
    6.00  -77.42  310.79  -74.79  177.17
    7.00  -76.78  325.79  -77.69  185.56
    8.00  -77.48  340.79  -81.24  186.04
    9.00  -77.45  355.79  -84.66  185.52
   10.00  -77.45   10.79  -87.76  158.90
   11.00  -77.25   25.79  -87.05   71.49
   12.00  -76.90   40.79  -83.43   56.76
   13.00  -76.76   55.79  -79.58   59.16
   14.00  -76.84   70.79  -75.96   65.17
   15.00  -76.40   85.79  -72.29   70.09
   16.00  -76.25  100.79  -69.11   76.70
   17.00  -74.79  115.79  -65.19   81.30
   18.00  -74.57  130.79  -62.78   88.90
   19.00  -75.24  145.79  -61.77   97.53
   20.00  -74.67  160.79  -60.03  105.04
   21.00  -72.80  175.79  -57.40  112.53
   22.00  -72.19  190.79  -56.52  121.10
   23.00  -71.31  205.79  -55.91  129.96
</PRE>


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