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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>
08 Jun 1997 19:21:41 yearsecs  13720901
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.06  136.19  -47.32   79.61
    1.00  -60.75  151.19  -46.58   91.26
    2.00  -61.43  166.19  -46.32  102.56
    3.00  -62.11  181.19  -46.50  113.56
    4.00  -61.18  196.19  -45.62  124.19
    5.00  -62.21  211.19  -47.34  134.79
    6.00  -63.26  226.19  -49.61  145.14
    7.00  -63.86  241.19  -51.87  155.53
    8.00  -64.37  256.19  -54.41  166.01
    9.00  -63.79  271.19  -56.32  177.52
   10.00  -63.32  286.19  -58.69  189.46
   11.00  -63.12  301.19  -61.77  201.72
   12.00  -63.16  316.19  -65.44  214.78
   13.00  -63.42  331.19  -69.45  229.67
   14.00  -63.90  346.19  -73.43  248.13
   15.00  -64.61    1.19  -76.87  273.18
   16.00  -65.54   16.19  -78.69  307.08
   17.00  -66.69   31.19  -78.05  342.59
   18.00  -66.65   46.19  -74.29    7.15
   19.00  -66.03   61.19  -69.47   23.26
   20.00  -64.47   76.19  -63.74   34.75
   21.00  -63.36   91.19  -58.90   46.30
   22.00  -61.82  106.19  -54.01   57.12
   23.00  -60.66  121.19  -50.06   68.31
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.14  136.19  -56.72   86.33
    1.00  -69.77  151.19  -55.82   96.26
    2.00  -70.68  166.19  -55.69  106.02
    3.00  -71.39  181.19  -55.83  115.32
    4.00  -73.52  196.19  -57.90  124.23
    5.00  -74.70  211.19  -59.50  132.31
    6.00  -74.57  226.19  -60.28  140.49
    7.00  -73.79  241.19  -60.94  149.30
    8.00  -74.33  256.19  -63.22  157.14
    9.00  -74.21  271.19  -65.31  165.59
   10.00  -73.82  286.19  -67.60  174.64
   11.00  -73.60  301.19  -70.45  183.67
   12.00  -73.40  316.19  -73.69  193.26
   13.00  -73.45  331.19  -77.36  203.18
   14.00  -73.42  346.19  -81.16  215.98
   15.00  -72.97    1.19  -84.69  241.68
   16.00  -72.93   16.19  -86.88  305.90
   17.00  -71.75   31.19  -83.35  359.37
   18.00  -71.65   46.19  -79.25   23.51
   19.00  -72.23   61.19  -75.50   40.63
   20.00  -71.74   76.19  -71.07   50.59
   21.00  -70.17   91.19  -65.94   57.74
   22.00  -70.05  106.19  -62.53   67.92
   23.00  -68.77  121.19  -58.49   76.22
</PRE>


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