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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>
01 Jul 1997 14:40:43 yearsecs  15691243
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.26  220.17  -50.94  140.38
    1.00  -66.03  235.17  -53.15  150.29
    2.00  -66.85  250.17  -55.78  160.06
    3.00  -67.67  265.17  -58.74  169.68
    4.00  -67.30  280.17  -61.04  180.54
    5.00  -67.99  295.17  -64.69  190.35
    6.00  -67.97  310.17  -68.15  201.71
    7.00  -68.41  325.17  -72.27  213.60
    8.00  -69.58  340.17  -77.00  226.03
    9.00  -69.81  355.17  -80.79  247.51
   10.00  -69.40   10.17  -82.83  286.73
   11.00  -69.05   25.17  -81.77  333.28
   12.00  -68.95   40.17  -78.37    4.46
   13.00  -69.11   55.17  -74.39   24.44
   14.00  -69.51   70.17  -70.65   39.87
   15.00  -70.16   85.17  -67.39   53.33
   16.00  -70.79  100.17  -64.50   65.12
   17.00  -70.89  115.17  -61.62   74.98
   18.00  -71.01  130.17  -59.38   84.39
   19.00  -70.33  145.17  -56.93   92.92
   20.00  -69.46  160.17  -54.82  101.70
   21.00  -68.68  175.17  -53.27  110.92
   22.00  -68.07  190.17  -52.38  120.40
   23.00  -66.66  205.17  -51.32  130.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.26  220.17  -55.70  138.88
    1.00  -71.42  235.17  -58.12  147.45
    2.00  -72.21  250.17  -60.57  155.85
    3.00  -77.87  265.17  -67.39  156.63
    4.00  -79.81  280.17  -70.89  158.64
    5.00  -80.21  295.17  -73.35  162.36
    6.00  -79.48  310.17  -75.54  169.11
    7.00  -78.39  325.17  -78.07  177.59
    8.00  -78.44  340.17  -81.18  179.32
    9.00  -78.50  355.17  -84.26  174.63
   10.00  -78.28   10.17  -86.96  150.03
   11.00  -78.37   25.17  -86.43   90.33
   12.00  -78.66   40.17  -83.40   73.85
   13.00  -78.49   55.17  -80.10   69.87
   14.00  -78.31   70.17  -76.73   71.56
   15.00  -78.13   85.17  -73.49   75.57
   16.00  -77.96  100.17  -70.51   80.73
   17.00  -77.77  115.17  -67.89   86.54
   18.00  -78.89  130.17  -66.87   94.95
   19.00  -79.18  145.17  -65.65  101.66
   20.00  -78.37  160.17  -63.77  107.42
   21.00  -76.48  175.17  -61.16  113.51
   22.00  -73.52  190.17  -57.86  120.85
   23.00  -71.66  205.17  -56.24  129.54
</PRE>


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