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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 20:46:17 yearsecs  15972377
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.41  115.93  -57.01   69.91
    1.00  -66.41  130.93  -54.62   80.47
    2.00  -67.15  145.93  -53.63   91.13
    3.00  -67.87  160.93  -53.17  101.41
    4.00  -67.40  175.93  -51.96  111.06
    5.00  -67.97  190.93  -52.29  120.88
    6.00  -67.79  205.93  -52.46  130.49
    7.00  -68.03  220.93  -53.64  140.07
    8.00  -69.02  235.93  -55.99  149.29
    9.00  -69.30  250.93  -58.07  158.77
   10.00  -69.15  265.93  -60.17  168.72
   11.00  -68.97  280.93  -62.62  178.99
   12.00  -68.98  295.93  -65.69  189.34
   13.00  -69.24  310.93  -69.37  199.84
   14.00  -69.73  325.93  -73.49  211.04
   15.00  -70.44  340.93  -77.85  223.98
   16.00  -71.12  355.93  -82.05  242.95
   17.00  -71.27   10.93  -84.86  284.32
   18.00  -71.43   25.93  -84.17  343.36
   19.00  -70.80   40.93  -79.97   12.54
   20.00  -69.99   55.93  -75.03   27.94
   21.00  -69.21   70.93  -70.15   39.74
   22.00  -68.56   85.93  -65.66   50.61
   23.00  -67.64  100.93  -61.26   60.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.12  115.93  -62.68   77.19
    1.00  -73.21  130.93  -61.44   87.30
    2.00  -73.96  145.93  -60.49   96.40
    3.00  -79.08  160.93  -64.43  108.34
    4.00  -80.86  175.93  -65.60  115.89
    5.00  -81.25  190.93  -65.78  121.97
    6.00  -80.64  205.93  -65.31  128.06
    7.00  -79.74  220.93  -64.96  134.80
    8.00  -79.85  235.93  -66.03  141.08
    9.00  -79.90  250.93  -67.40  147.21
   10.00  -79.78  265.93  -68.98  153.38
   11.00  -79.56  280.93  -70.83  159.55
   12.00  -79.67  295.93  -73.20  164.33
   13.00  -79.50  310.93  -75.68  169.20
   14.00  -79.33  325.93  -78.41  172.92
   15.00  -79.16  340.93  -81.30  174.26
   16.00  -78.98  355.93  -84.22  169.19
   17.00  -78.80   10.93  -86.55  142.93
   18.00  -79.81   25.93  -85.11  101.54
   19.00  -80.05   40.93  -82.73   85.20
   20.00  -79.31   55.93  -79.98   75.12
   21.00  -77.59   70.93  -76.27   68.50
   22.00  -74.91   85.93  -71.22   65.69
   23.00  -73.32  100.93  -66.64   70.36
</PRE>


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