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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>
06 Nov 1997 10:39:12 yearsecs  26735952
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.06  265.30  -52.84  175.15
    1.00  -61.68  280.30  -56.06  186.41
    2.00  -62.30  295.30  -59.68  197.84
    3.00  -62.91  310.30  -63.74  209.78
    4.00  -62.22  325.30  -66.86  225.12
    5.00  -63.35  340.30  -71.58  240.86
    6.00  -64.08  355.30  -75.42  262.67
    7.00  -64.63   10.30  -77.69  293.32
    8.00  -65.13   25.30  -77.32  328.24
    9.00  -64.48   40.30  -73.34  354.61
   10.00  -64.06   55.30  -68.78   13.17
   11.00  -63.86   70.30  -64.54   28.22
   12.00  -63.90   85.30  -60.87   41.97
   13.00  -64.16  100.30  -57.76   55.08
   14.00  -64.64  115.30  -55.28   67.49
   15.00  -65.35  130.30  -53.61   79.12
   16.00  -66.28  145.30  -52.80   90.14
   17.00  -67.06  160.30  -52.39  100.62
   18.00  -66.77  175.30  -51.34  110.48
   19.00  -66.76  190.30  -51.08  120.38
   20.00  -65.29  205.30  -49.99  130.35
   21.00  -64.18  220.30  -49.92  140.75
   22.00  -62.78  235.30  -50.14  151.81
   23.00  -61.60  250.30  -51.01  163.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.98  265.30  -59.04  169.47
    1.00  -68.92  280.30  -62.46  178.62
    2.00  -69.95  295.30  -66.35  187.29
    3.00  -70.88  310.30  -70.50  195.86
    4.00  -73.53  325.30  -75.95  198.76
    5.00  -74.40  340.30  -80.15  205.31
    6.00  -74.50  355.30  -84.07  217.56
    7.00  -73.87   10.30  -87.34  262.98
    8.00  -74.83   25.30  -87.18   17.00
    9.00  -74.78   40.30  -83.00   36.84
   10.00  -74.74   55.30  -78.82   47.40
   11.00  -74.50   70.30  -74.71   55.51
   12.00  -74.17   85.30  -70.80   63.25
   13.00  -74.10  100.30  -67.45   71.61
   14.00  -74.13  115.30  -64.67   79.95
   15.00  -73.65  130.30  -61.96   87.48
   16.00  -73.54  145.30  -60.13   95.67
   17.00  -72.06  160.30  -57.44  103.18
   18.00  -71.77  175.30  -56.38  111.91
   19.00  -72.35  190.30  -56.69  120.82
   20.00  -71.66  205.30  -56.24  129.61
   21.00  -69.61  220.30  -55.08  139.17
   22.00  -69.04  235.30  -55.94  148.87
   23.00  -67.83  250.30  -56.68  159.46
</PRE>


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