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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>
07 May 1997 00:19:14 yearsecs  10887554
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.69   63.52  -67.30   23.04
    1.00  -64.15   78.52  -62.79   36.33
    2.00  -65.16   93.52  -60.35   50.92
    3.00  -66.18  108.52  -58.18   64.17
    4.00  -65.99  123.52  -55.28   74.91
    5.00  -66.98  138.52  -54.24   86.08
    6.00  -67.13  153.52  -52.94   96.16
    7.00  -67.23  168.52  -52.09  106.14
    8.00  -67.64  183.52  -52.01  116.07
    9.00  -67.26  198.52  -51.69  125.76
   10.00  -66.85  213.52  -51.96  135.57
   11.00  -66.66  228.52  -53.03  145.54
   12.00  -66.69  243.52  -54.76  155.62
   13.00  -66.95  258.52  -57.07  165.73
   14.00  -67.43  273.52  -59.94  175.71
   15.00  -68.14  288.52  -63.41  185.37
   16.00  -69.07  303.52  -67.48  194.63
   17.00  -70.05  318.52  -71.87  203.98
   18.00  -69.85  333.52  -75.52  217.91
   19.00  -69.30  348.52  -78.83  238.19
   20.00  -68.22    3.52  -80.87  271.14
   21.00  -67.21   18.52  -80.45  313.08
   22.00  -66.22   33.52  -77.01  346.25
   23.00  -65.35   48.52  -72.17    7.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.45   63.52  -73.33   36.66
    1.00  -71.49   78.52  -70.26   51.61
    2.00  -72.47   93.52  -67.49   64.08
    3.00  -76.15  108.52  -67.62   80.19
    4.00  -78.50  123.52  -67.34   91.51
    5.00  -78.92  138.52  -66.01   98.49
    6.00  -78.25  153.52  -64.08  104.27
    7.00  -77.73  168.52  -62.69  110.86
    8.00  -78.36  183.52  -62.87  118.21
    9.00  -78.13  198.52  -62.61  125.24
   10.00  -78.41  213.52  -63.29  132.20
   11.00  -78.15  228.52  -63.88  139.34
   12.00  -78.18  243.52  -65.16  146.28
   13.00  -77.94  258.52  -66.60  153.49
   14.00  -77.96  273.52  -68.63  160.17
   15.00  -77.64  288.52  -70.77  167.42
   16.00  -77.81  303.52  -73.57  173.04
   17.00  -77.27  318.52  -76.31  180.68
   18.00  -77.48  333.52  -79.62  184.49
   19.00  -77.21  348.52  -82.99  188.98
   20.00  -76.19    3.52  -86.65  201.01
   21.00  -74.15   18.52  -88.07  327.66
   22.00  -72.40   33.52  -83.33    8.50
   23.00  -70.99   48.52  -78.02   23.42
</PRE>


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