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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>
21 Jun 1997 20:05:53 yearsecs  14846753
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.85  125.30  -53.83   75.12
    1.00  -65.07  140.30  -52.09   85.91
    2.00  -66.09  155.30  -51.75   96.80
    3.00  -67.11  170.30  -51.88  107.27
    4.00  -66.95  185.30  -51.29  117.12
    5.00  -67.90  200.30  -52.37  126.88
    6.00  -68.19  215.30  -53.37  136.42
    7.00  -69.01  230.30  -55.40  145.70
    8.00  -70.67  245.30  -58.58  154.15
    9.00  -71.96  260.30  -61.74  162.18
   10.00  -72.56  275.30  -64.63  170.43
   11.00  -71.15  290.30  -66.29  181.92
   12.00  -70.34  305.30  -68.91  193.48
   13.00  -69.94  320.30  -72.24  205.68
   14.00  -69.93  335.30  -76.03  219.51
   15.00  -70.25  350.30  -80.03  237.30
   16.00  -70.63    5.30  -83.51  267.79
   17.00  -70.53   20.30  -84.01  321.30
   18.00  -70.48   35.30  -81.15    1.61
   19.00  -69.63   50.30  -76.27   20.57
   20.00  -68.60   65.30  -71.08   33.19
   21.00  -67.61   80.30  -66.11   44.17
   22.00  -66.84   95.30  -61.70   54.94
   23.00  -65.99  110.30  -57.63   65.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.90  125.30  -59.96   81.29
    1.00  -72.10  140.30  -59.22   91.50
    2.00  -72.94  155.30  -58.67  100.83
    3.00  -78.43  170.30  -63.31  112.10
    4.00  -80.33  185.30  -64.87  119.52
    5.00  -80.77  200.30  -65.34  125.73
    6.00  -80.15  215.30  -65.11  132.16
    7.00  -79.20  230.30  -65.02  139.28
    8.00  -79.32  245.30  -66.36  145.67
    9.00  -79.37  260.30  -67.98  151.90
   10.00  -79.26  275.30  -69.83  158.15
   11.00  -79.24  290.30  -72.07  163.76
   12.00  -79.45  305.30  -74.67  167.92
   13.00  -79.23  320.30  -77.32  172.49
   14.00  -79.00  335.30  -80.20  175.57
   15.00  -78.77  350.30  -83.22  174.80
   16.00  -78.54    5.30  -86.08  160.76
   17.00  -78.30   20.30  -87.10  105.74
   18.00  -79.32   35.30  -84.09   83.72
   19.00  -79.56   50.30  -81.12   77.49
   20.00  -78.74   65.30  -77.91   72.58
   21.00  -76.88   80.30  -73.81   69.27
   22.00  -73.99   95.30  -68.41   68.55
   23.00  -72.21  110.30  -63.78   73.94
</PRE>


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