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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>
23 Jan 1997 16:32:11 yearsecs   1960331
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.72  185.25  -49.06  116.79
    1.00  -64.16  200.25  -48.68  127.00
    2.00  -65.18  215.25  -50.48  137.07
    3.00  -66.20  230.25  -52.78  146.88
    4.00  -66.01  245.25  -54.37  157.21
    5.00  -67.00  260.25  -57.38  166.88
    6.00  -67.14  275.25  -60.00  177.23
    7.00  -66.99  290.25  -62.78  188.18
    8.00  -67.66  305.25  -66.71  198.41
    9.00  -67.28  320.25  -70.09  211.53
   10.00  -66.91  335.25  -73.58  227.54
   11.00  -66.68  350.25  -76.92  248.64
   12.00  -66.71    5.25  -79.54  278.63
   13.00  -66.97   20.25  -80.05  317.56
   14.00  -67.45   35.25  -78.00  351.92
   15.00  -68.16   50.25  -74.81   16.11
   16.00  -69.09   65.25  -71.57   34.40
   17.00  -70.07   80.25  -68.53   49.41
   18.00  -69.87   95.25  -64.72   60.06
   19.00  -69.32  110.25  -61.01   69.58
   20.00  -68.25  125.25  -57.32   78.36
   21.00  -67.23  140.25  -54.30   87.42
   22.00  -66.25  155.25  -51.92   96.85
   23.00  -65.38  170.25  -50.14  106.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.17  185.25  -59.58  118.37
    1.00  -76.12  200.25  -60.59  126.27
    2.00  -77.02  215.25  -61.99  133.61
    3.00  -79.92  230.25  -65.69  138.62
    4.00  -81.76  245.25  -68.49  142.20
    5.00  -82.19  260.25  -70.17  146.39
    6.00  -81.82  275.25  -71.53  151.78
    7.00  -81.55  290.25  -73.27  156.63
    8.00  -82.05  305.25  -75.53  157.62
    9.00  -81.99  320.25  -77.65  158.95
   10.00  -82.30  335.25  -79.69  155.52
   11.00  -82.17  350.25  -81.60  149.90
   12.00  -81.95    5.25  -83.09  137.81
   13.00  -81.61   20.25  -83.68  118.23
   14.00  -81.48   35.25  -82.67   99.64
   15.00  -81.10   50.25  -80.74   87.86
   16.00  -81.10   65.25  -78.21   85.10
   17.00  -80.59   80.25  -75.51   83.78
   18.00  -80.64   95.25  -73.03   87.19
   19.00  -80.36  110.25  -70.61   90.69
   20.00  -79.51  125.25  -67.99   94.12
   21.00  -77.90  140.25  -64.87   97.84
   22.00  -76.48  155.25  -62.21  103.49
   23.00  -75.43  170.25  -60.28  110.50
</PRE>


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