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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>
16 Oct 1997 13:14:08 yearsecs  24930848
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.44  228.37  -50.94  146.27
    1.00  -64.03  243.37  -52.31  157.00
    2.00  -64.99  258.37  -55.30  167.14
    3.00  -65.94  273.37  -58.61  177.14
    4.00  -65.74  288.37  -61.29  188.39
    5.00  -66.77  303.37  -65.51  198.39
    6.00  -66.94  318.37  -69.33  210.51
    7.00  -66.80  333.37  -73.01  225.67
    8.00  -67.34  348.37  -77.11  243.94
    9.00  -67.06    3.37  -79.67  273.51
   10.00  -66.64   18.37  -79.82  312.57
   11.00  -66.45   33.37  -77.31  346.38
   12.00  -66.49   48.37  -73.51    9.64
   13.00  -66.74   63.37  -69.66   26.98
   14.00  -67.23   78.37  -66.20   41.77
   15.00  -67.93   93.37  -63.25   55.24
   16.00  -68.86  108.37  -60.93   67.65
   17.00  -69.87  123.37  -59.24   78.89
   18.00  -69.70  138.37  -57.02   88.19
   19.00  -69.13  153.37  -54.98   97.22
   20.00  -68.02  168.37  -52.89  106.32
   21.00  -66.99  183.37  -51.36  115.86
   22.00  -65.98  198.37  -50.42  125.69
   23.00  -65.07  213.37  -50.25  135.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.30  228.37  -59.24  142.40
    1.00  -74.32  243.37  -61.65  150.07
    2.00  -75.27  258.37  -64.32  157.17
    3.00  -78.21  273.37  -68.79  159.62
    4.00  -80.32  288.37  -72.38  159.97
    5.00  -80.82  303.37  -74.88  162.25
    6.00  -80.23  318.37  -77.19  167.43
    7.00  -79.70  333.37  -79.84  171.26
    8.00  -80.18  348.37  -82.41  164.29
    9.00  -79.89    3.37  -84.78  151.68
   10.00  -80.03   18.37  -85.41  118.98
   11.00  -79.74   33.37  -84.16   89.53
   12.00  -79.66   48.37  -81.48   78.70
   13.00  -79.40   63.37  -78.45   75.86
   14.00  -79.38   78.37  -75.43   78.32
   15.00  -79.03   93.37  -72.44   81.37
   16.00  -79.09  108.37  -69.97   86.82
   17.00  -78.45  123.37  -67.31   91.34
   18.00  -78.60  138.37  -65.72   97.96
   19.00  -78.52  153.37  -64.36  104.47
   20.00  -77.73  168.37  -62.69  110.79
   21.00  -76.00  183.37  -60.46  117.56
   22.00  -74.67  198.37  -59.08  125.39
   23.00  -73.61  213.37  -58.52  133.82
</PRE>


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