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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>
24 Jan 1997 12:56:10 yearsecs   2033770
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.75  235.85  -52.97  150.88
    1.00  -66.45  250.85  -55.51  160.80
    2.00  -67.18  265.85  -58.43  170.60
    3.00  -67.91  280.85  -61.70  180.28
    4.00  -67.44  295.85  -64.37  191.66
    5.00  -68.01  310.85  -68.35  202.17
    6.00  -67.83  325.85  -71.97  215.57
    7.00  -68.07  340.85  -75.95  231.39
    8.00  -68.92  355.85  -80.16  252.08
    9.00  -69.40   10.85  -82.87  288.86
   10.00  -69.20   25.85  -81.83  335.43
   11.00  -69.00   40.85  -78.25    5.70
   12.00  -69.04   55.85  -74.13   24.96
   13.00  -69.29   70.85  -70.26   39.90
   14.00  -69.78   85.85  -66.86   53.01
   15.00  -70.48  100.85  -64.06   65.03
   16.00  -71.16  115.85  -61.77   75.78
   17.00  -71.31  130.85  -59.58   85.12
   18.00  -71.46  145.85  -58.00   94.22
   19.00  -70.83  160.85  -56.16  102.83
   20.00  -70.02  175.85  -54.60  111.72
   21.00  -69.24  190.85  -53.56  120.92
   22.00  -68.60  205.85  -53.25  130.35
   23.00  -67.14  220.85  -52.78  140.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.75  235.85  -57.57  148.26
    1.00  -71.86  250.85  -60.34  156.58
    2.00  -72.59  265.85  -63.11  164.76
    3.00  -78.09  280.85  -69.83  163.06
    4.00  -79.54  295.85  -73.12  164.75
    5.00  -80.39  310.85  -75.95  165.48
    6.00  -79.76  325.85  -78.45  170.64
    7.00  -78.80  340.85  -81.31  176.78
    8.00  -78.92  355.85  -84.23  169.86
    9.00  -78.96   10.85  -86.38  142.04
   10.00  -78.76   25.85  -86.02   92.98
   11.00  -78.85   40.85  -83.20   75.20
   12.00  -79.12   55.85  -79.99   73.96
   13.00  -78.96   70.85  -76.80   74.76
   14.00  -78.79   85.85  -73.71   78.13
   15.00  -78.63  100.85  -70.86   82.80
   16.00  -78.46  115.85  -68.36   88.27
   17.00  -78.26  130.85  -66.22   94.19
   18.00  -79.29  145.85  -65.69  102.07
   19.00  -79.52  160.85  -64.87  108.69
   20.00  -78.70  175.85  -63.40  114.79
   21.00  -76.85  190.85  -61.25  121.49
   22.00  -73.96  205.85  -58.55  129.56
   23.00  -72.14  220.85  -57.54  138.60
</PRE>


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