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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>
20 Aug 1997 18:01:44 yearsecs  20023304
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.99  160.49  -50.28   99.83
    1.00  -64.68  175.49  -49.23  110.08
    2.00  -65.80  190.49  -50.12  120.44
    3.00  -66.91  205.49  -51.58  130.31
    4.00  -66.89  220.49  -52.51  140.13
    5.00  -68.03  235.49  -55.03  149.52
    6.00  -68.38  250.49  -57.20  159.18
    7.00  -68.44  265.49  -59.47  169.15
    8.00  -69.29  280.49  -62.81  178.27
    9.00  -68.95  295.49  -65.57  189.08
   10.00  -68.57  310.49  -68.72  200.83
   11.00  -67.95  325.49  -71.97  214.96
   12.00  -67.70  340.49  -75.54  231.93
   13.00  -67.70  355.49  -78.96  255.18
   14.00  -67.94   10.49  -81.29  290.20
   15.00  -68.41   25.49  -81.02  332.82
   16.00  -69.11   40.49  -78.45    5.46
   17.00  -69.85   55.49  -75.02   27.03
   18.00  -69.24   70.49  -70.30   39.44
   19.00  -68.93   85.49  -66.13   51.00
   20.00  -67.92  100.49  -61.63   60.59
   21.00  -67.04  115.49  -57.73   70.32
   22.00  -66.20  130.49  -54.46   79.98
   23.00  -65.48  145.49  -51.96   89.76
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.96  160.49  -58.33  103.81
    1.00  -73.82  175.49  -58.45  112.69
    2.00  -74.64  190.49  -59.01  121.12
    3.00  -77.72  205.49  -62.33  128.62
    4.00  -79.80  220.49  -65.00  134.57
    5.00  -80.20  235.49  -66.32  140.52
    6.00  -79.57  250.49  -67.08  147.52
    7.00  -79.05  265.49  -68.36  154.63
    8.00  -79.56  280.49  -70.77  159.38
    9.00  -79.30  295.49  -72.94  165.37
   10.00  -79.55  310.49  -75.62  168.90
   11.00  -79.39  325.49  -78.33  172.57
   12.00  -79.42  340.49  -81.19  172.49
   13.00  -79.27  355.49  -84.01  166.89
   14.00  -79.37   10.49  -85.95  140.50
   15.00  -79.16   25.49  -85.74   97.51
   16.00  -79.37   40.49  -83.10   79.96
   17.00  -78.95   55.49  -80.06   72.89
   18.00  -79.22   70.49  -76.95   75.92
   19.00  -78.97   85.49  -73.87   78.64
   20.00  -78.06  100.49  -70.53   81.13
   21.00  -76.26  115.49  -66.55   83.74
   22.00  -74.73  130.49  -62.97   88.94
   23.00  -73.47  145.49  -60.05   95.71
</PRE>


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