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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
29 Sep 1997 14:59:36 yearsecs  23468376
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.68  205.97  -50.40  130.76
    1.00  -65.23  220.97  -50.98  140.93
    2.00  -66.19  235.97  -53.39  150.76
    3.00  -67.14  250.97  -56.15  160.40
    4.00  -66.85  265.97  -58.15  171.00
    5.00  -67.62  280.97  -61.47  180.72
    6.00  -67.60  295.97  -64.53  191.52
    7.00  -67.61  310.97  -68.04  203.01
    8.00  -68.40  325.97  -72.46  214.38
    9.00  -68.36  340.97  -76.21  230.75
   10.00  -68.04  355.97  -79.37  255.14
   11.00  -67.85   10.97  -81.21  291.68
   12.00  -67.88   25.97  -80.36  333.09
   13.00  -68.14   40.97  -77.31    3.32
   14.00  -68.62   55.97  -73.68   23.92
   15.00  -69.33   70.97  -70.26   40.09
   16.00  -70.15   85.97  -67.18   53.90
   17.00  -70.76  100.97  -64.30   65.60
   18.00  -70.68  115.97  -61.28   75.21
   19.00  -70.12  130.97  -58.38   83.95
   20.00  -69.18  145.97  -55.70   92.57
   21.00  -68.28  160.97  -53.57  101.63
   22.00  -67.46  175.97  -52.01  111.10
   23.00  -66.61  190.97  -50.93  120.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.56  205.97  -56.17  130.02
    1.00  -72.60  220.97  -58.00  138.49
    2.00  -73.48  235.97  -60.11  146.59
    3.00  -78.03  250.97  -65.80  149.89
    4.00  -80.04  265.97  -69.18  152.87
    5.00  -80.38  280.97  -71.36  157.42
    6.00  -79.74  295.97  -73.25  164.11
    7.00  -79.04  310.97  -75.52  171.08
    8.00  -79.31  325.97  -78.41  173.05
    9.00  -79.20  340.97  -81.31  173.95
   10.00  -79.21  355.97  -84.12  166.98
   11.00  -79.06   10.97  -86.29  141.00
   12.00  -79.21   25.97  -85.63   96.94
   13.00  -78.98   40.97  -83.14   76.32
   14.00  -78.89   55.97  -79.96   72.50
   15.00  -78.63   70.97  -76.67   73.27
   16.00  -78.69   85.97  -73.63   77.79
   17.00  -78.43  100.97  -70.71   82.32
   18.00  -79.03  115.97  -68.80   89.54
   19.00  -78.88  130.97  -66.77   95.27
   20.00  -77.97  145.97  -64.42  100.53
   21.00  -76.14  160.97  -61.49  106.11
   22.00  -73.94  175.97  -58.55  113.00
   23.00  -72.40  190.97  -56.74  121.22
</PRE>


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