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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>
25 May 1997 20:26:25 yearsecs  12515185
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.12  119.49  -55.05   71.13
    1.00  -65.31  134.49  -53.01   82.03
    2.00  -66.27  149.49  -52.41   92.97
    3.00  -67.25  164.49  -52.33  103.48
    4.00  -67.05  179.49  -51.50  113.32
    5.00  -67.96  194.49  -52.31  123.16
    6.00  -68.21  209.49  -53.04  132.71
    7.00  -69.00  224.49  -54.85  142.02
    8.00  -70.66  239.49  -57.88  150.56
    9.00  -71.99  254.49  -60.94  158.65
   10.00  -72.05  269.49  -63.23  167.64
   11.00  -70.71  284.49  -64.77  178.90
   12.00  -70.00  299.49  -67.32  190.07
   13.00  -69.71  314.49  -70.62  201.58
   14.00  -69.79  329.49  -74.44  214.15
   15.00  -70.19  344.49  -78.55  229.30
   16.00  -70.63  359.49  -82.43  252.80
   17.00  -70.58   14.49  -84.30  299.65
   18.00  -70.58   29.49  -82.60  349.35
   19.00  -69.77   44.49  -78.02   13.64
   20.00  -68.78   59.49  -72.86   28.03
   21.00  -67.84   74.49  -67.84   39.67
   22.00  -67.14   89.49  -63.37   50.82
   23.00  -66.28  104.49  -59.11   61.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.98  119.49  -65.68   85.20
    1.00  -77.08  134.49  -64.71   94.08
    2.00  -77.91  149.49  -64.06  102.07
    3.00  -81.96  164.49  -67.12  112.35
    4.00  -83.44  179.49  -68.17  118.58
    5.00  -83.89  194.49  -68.52  123.45
    6.00  -83.67  209.49  -68.49  128.19
    7.00  -83.31  224.49  -68.62  133.23
    8.00  -83.64  239.49  -69.72  137.39
    9.00  -83.96  254.49  -71.01  140.88
   10.00  -84.21  269.49  -72.38  143.72
   11.00  -84.66  284.49  -73.93  144.80
   12.00  -84.95  299.49  -75.36  144.99
   13.00  -84.45  314.49  -76.80  147.25
   14.00  -83.96  329.49  -78.44  147.95
   15.00  -83.49  344.49  -80.15  145.78
   16.00  -83.06  359.49  -81.69  138.93
   17.00  -82.64   14.49  -82.66  125.85
   18.00  -83.07   29.49  -81.77  111.86
   19.00  -83.02   44.49  -80.54  101.61
   20.00  -82.29   59.49  -78.98   92.28
   21.00  -80.82   74.49  -76.58   84.06
   22.00  -78.58   89.49  -72.89   78.60
   23.00  -77.06  104.49  -69.07   80.32
</PRE>


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