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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>
27 Feb 1997 00:45:50 yearsecs   4927550
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.29   65.08  -63.99   20.60
    1.00  -63.47   80.08  -61.64   36.66
    2.00  -64.28   95.08  -59.04   50.92
    3.00  -67.73  110.08  -59.45   67.31
    4.00  -67.30  125.08  -56.38   77.28
    5.00  -67.90  140.08  -55.01   87.82
    6.00  -67.76  155.08  -53.46   97.53
    7.00  -67.94  170.08  -52.73  107.41
    8.00  -68.76  185.08  -53.10  117.24
    9.00  -69.15  200.08  -53.60  126.68
   10.00  -68.93  215.08  -54.07  136.10
   11.00  -68.74  230.08  -55.12  145.68
   12.00  -68.78  245.08  -56.84  155.35
   13.00  -69.04  260.08  -59.15  164.98
   14.00  -69.52  275.08  -62.03  174.37
   15.00  -70.23  290.08  -65.49  183.31
   16.00  -70.94  305.08  -69.33  192.10
   17.00  -71.01  320.08  -72.97  202.79
   18.00  -71.29  335.08  -76.96  214.74
   19.00  -70.67  350.08  -80.31  235.17
   20.00  -69.84    5.08  -82.70  270.30
   21.00  -69.03   20.08  -82.37  318.56
   22.00  -66.09   35.08  -76.50  348.83
   23.00  -63.91   50.08  -70.03    6.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.29   65.08  -69.78   29.87
    1.00  -68.47   80.08  -67.04   45.74
    2.00  -69.28   95.08  -64.19   58.87
    3.00  -75.56  110.08  -66.84   79.76
    4.00  -77.79  125.08  -66.51   90.90
    5.00  -78.15  140.08  -65.13   98.10
    6.00  -77.17  155.08  -62.91  103.99
    7.00  -75.80  170.08  -60.66  110.60
    8.00  -75.80  185.08  -60.22  118.40
    9.00  -75.98  200.08  -60.44  126.19
   10.00  -75.95  215.08  -60.92  133.95
   11.00  -76.12  230.08  -62.06  141.58
   12.00  -76.54  245.08  -63.85  148.82
   13.00  -76.43  260.08  -65.53  156.47
   14.00  -76.35  275.08  -67.64  164.03
   15.00  -76.21  290.08  -70.08  171.61
   16.00  -76.16  305.08  -72.95  178.89
   17.00  -76.01  320.08  -76.08  186.43
   18.00  -77.24  335.08  -79.91  186.30
   19.00  -77.52  350.08  -83.35  186.12
   20.00  -76.62    5.08  -87.00  191.99
   21.00  -74.39   20.08  -88.08  343.52
   22.00  -71.09   35.08  -81.77    3.95
   23.00  -68.91   50.08  -75.62   18.03
</PRE>


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