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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>
25 Oct 1997 13:05:56 yearsecs  25707956
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.21  228.95  -46.02  148.44
    1.00  -59.83  243.95  -48.45  159.51
    2.00  -60.45  258.95  -51.24  170.64
    3.00  -61.07  273.95  -54.34  181.91
    4.00  -60.38  288.95  -56.57  194.61
    5.00  -61.34  303.95  -60.77  206.20
    6.00  -62.62  318.95  -65.64  218.17
    7.00  -63.31  333.95  -70.03  233.03
    8.00  -63.79  348.95  -73.91  252.51
    9.00  -63.16    3.95  -75.68  280.82
   10.00  -62.75   18.95  -75.33  313.62
   11.00  -62.56   33.95  -72.57  342.19
   12.00  -62.60   48.95  -68.72    3.43
   13.00  -62.86   63.95  -64.99   20.35
   14.00  -63.34   78.95  -61.76   35.43
   15.00  -64.05   93.95  -59.05   49.65
   16.00  -64.99  108.95  -56.86   63.03
   17.00  -66.14  123.95  -55.37   75.36
   18.00  -66.17  138.95  -53.36   85.76
   19.00  -65.38  153.95  -51.13   95.51
   20.00  -63.77  168.95  -48.58  105.28
   21.00  -62.64  183.95  -46.99  115.60
   22.00  -61.02  198.95  -45.55  126.17
   23.00  -59.88  213.95  -45.28  137.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -76.99  228.95  -62.81  140.40
    1.00  -77.73  243.95  -64.80  146.98
    2.00  -78.61  258.95  -67.20  152.62
    3.00  -79.33  273.95  -69.69  157.45
    4.00  -80.70  288.95  -72.67  159.00
    5.00  -81.73  303.95  -75.26  158.78
    6.00  -82.11  318.95  -77.47  158.35
    7.00  -82.28  333.95  -79.52  155.93
    8.00  -82.19  348.95  -81.44  150.58
    9.00  -81.88    3.95  -83.07  139.54
   10.00  -81.38   18.95  -83.96  119.81
   11.00  -80.88   33.95  -83.28   97.26
   12.00  -80.43   48.95  -81.18   83.91
   13.00  -80.12   63.95  -78.41   79.85
   14.00  -79.82   78.95  -75.48   80.29
   15.00  -79.31   93.95  -72.51   82.46
   16.00  -79.11  108.95  -69.90   87.07
   17.00  -78.35  123.95  -67.15   91.40
   18.00  -78.01  138.95  -65.11   97.40
   19.00  -77.94  153.95  -63.74  104.16
   20.00  -77.66  168.95  -62.60  111.03
   21.00  -76.88  183.95  -61.34  118.05
   22.00  -77.01  198.95  -61.47  125.53
   23.00  -76.48  213.95  -61.39  133.17
</PRE>


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