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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>
04 Jul 1997 20:49:51 yearsecs  15972591
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.41  115.04  -57.17   69.26
    1.00  -66.41  130.04  -54.73   79.85
    2.00  -67.14  145.04  -53.71   90.54
    3.00  -67.87  160.04  -53.23  100.83
    4.00  -67.41  175.04  -51.99  110.48
    5.00  -67.97  190.04  -52.29  120.31
    6.00  -67.80  205.04  -52.43  129.93
    7.00  -68.04  220.04  -53.57  139.50
    8.00  -69.02  235.04  -55.89  148.72
    9.00  -69.30  250.04  -57.95  158.20
   10.00  -69.15  265.04  -60.02  168.14
   11.00  -68.97  280.04  -62.46  178.39
   12.00  -68.98  295.04  -65.49  188.72
   13.00  -69.24  310.04  -69.16  199.17
   14.00  -69.72  325.04  -73.26  210.26
   15.00  -70.43  340.04  -77.62  222.98
   16.00  -71.12  355.04  -81.84  241.33
   17.00  -71.27   10.04  -84.78  280.92
   18.00  -71.43   25.04  -84.33  340.54
   19.00  -70.80   40.04  -80.21   11.17
   20.00  -69.98   55.04  -75.27   27.00
   21.00  -69.20   70.04  -70.38   38.97
   22.00  -68.56   85.04  -65.88   49.90
   23.00  -67.63  100.04  -61.44   59.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.12  115.04  -62.83   76.67
    1.00  -73.21  130.04  -61.56   86.80
    2.00  -73.96  145.04  -60.58   95.91
    3.00  -79.07  160.04  -64.47  107.95
    4.00  -80.85  175.04  -65.62  115.53
    5.00  -81.24  190.04  -65.77  121.63
    6.00  -80.63  205.04  -65.28  127.70
    7.00  -79.72  220.04  -64.90  134.43
    8.00  -79.82  235.04  -65.94  140.74
    9.00  -79.85  250.04  -67.27  146.92
   10.00  -79.69  265.04  -68.80  153.22
   11.00  -79.57  280.04  -70.71  159.19
   12.00  -79.71  295.04  -73.08  163.92
   13.00  -79.53  310.04  -75.54  168.86
   14.00  -79.36  325.04  -78.24  172.67
   15.00  -79.18  340.04  -81.13  174.22
   16.00  -79.00  355.04  -84.05  169.75
   17.00  -78.81   10.04  -86.45  145.57
   18.00  -79.81   25.04  -85.20  103.33
   19.00  -80.06   40.04  -82.88   85.84
   20.00  -79.31   55.04  -80.16   75.17
   21.00  -77.59   70.04  -76.47   68.21
   22.00  -74.92   85.04  -71.42   65.24
   23.00  -73.32  100.04  -66.83   69.84
</PRE>


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