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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
18 Jul 1997 02:35:02 yearsecs  17116502
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.58   33.32  -73.95  342.19
    1.00  -63.63   48.32  -70.17    4.21
    2.00  -64.38   63.32  -66.99   22.27
    3.00  -65.13   78.32  -63.95   37.82
    4.00  -64.88   93.32  -60.09   50.33
    5.00  -66.06  108.32  -58.09   63.86
    6.00  -66.32  123.32  -55.65   75.09
    7.00  -66.19  138.32  -53.45   85.35
    8.00  -66.60  153.32  -52.42   95.74
    9.00  -66.35  168.32  -51.21  105.70
   10.00  -65.94  183.32  -50.30  115.66
   11.00  -65.75  198.32  -50.19  125.66
   12.00  -65.78  213.32  -50.92  135.65
   13.00  -66.04  228.32  -52.43  145.64
   14.00  -66.52  243.32  -54.58  155.58
   15.00  -67.23  258.32  -57.29  165.36
   16.00  -68.16  273.32  -60.55  174.77
   17.00  -69.24  288.32  -64.30  183.65
   18.00  -69.17  303.32  -67.51  194.30
   19.00  -68.54  318.32  -70.63  207.25
   20.00  -67.32  333.32  -73.44  224.42
   21.00  -66.26  348.32  -76.11  246.57
   22.00  -65.16    3.32  -77.71  276.81
   23.00  -64.12   18.32  -76.96  312.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.18   33.32  -80.31  352.88
    1.00  -70.34   48.32  -77.50   20.67
    2.00  -71.36   63.32  -74.19   39.36
    3.00  -73.71   78.32  -72.13   57.75
    4.00  -76.50   93.32  -70.78   73.84
    5.00  -77.24  108.32  -68.55   82.43
    6.00  -76.67  123.32  -65.74   88.20
    7.00  -76.09  138.32  -63.34   94.65
    8.00  -77.07  153.32  -62.94  103.06
    9.00  -76.83  168.32  -61.78  110.24
   10.00  -77.05  183.32  -61.53  117.78
   11.00  -76.88  198.32  -61.32  125.23
   12.00  -76.70  213.32  -61.59  132.77
   13.00  -76.53  228.32  -62.31  140.41
   14.00  -76.68  243.32  -63.78  147.81
   15.00  -76.31  258.32  -65.20  155.77
   16.00  -76.32  273.32  -67.34  163.22
   17.00  -75.14  288.32  -68.99  173.15
   18.00  -75.03  303.32  -71.88  181.24
   19.00  -75.31  318.32  -75.32  188.18
   20.00  -74.42  333.32  -78.42  200.43
   21.00  -72.17  348.32  -80.95  225.41
   22.00  -70.81    3.32  -83.34  261.41
   23.00  -69.58   18.32  -83.12  313.42
</PRE>


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