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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 Feb 1997 13:13:01 yearsecs   4799581
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.91  235.03  -52.10  150.70
    1.00  -66.04  250.03  -55.04  160.50
    2.00  -66.79  265.03  -57.95  170.39
    3.00  -67.88  280.03  -61.52  179.74
    4.00  -67.43  295.03  -64.18  191.08
    5.00  -68.01  310.03  -68.15  201.53
    6.00  -67.85  325.03  -71.78  214.74
    7.00  -68.13  340.03  -75.79  230.21
    8.00  -68.99  355.03  -80.04  250.29
    9.00  -69.44   10.03  -82.86  286.20
   10.00  -69.22   25.03  -81.98  333.28
   11.00  -69.01   40.03  -78.46    4.41
   12.00  -69.02   55.03  -74.35   24.04
   13.00  -69.27   70.03  -70.45   39.13
   14.00  -69.74   85.03  -67.03   52.32
   15.00  -70.44  100.03  -64.20   64.41
   16.00  -71.11  115.03  -61.86   75.21
   17.00  -71.24  130.03  -59.63   84.56
   18.00  -71.40  145.03  -58.02   93.68
   19.00  -70.76  160.03  -56.14  102.30
   20.00  -69.95  175.03  -54.55  111.19
   21.00  -69.17  190.03  -53.49  120.40
   22.00  -68.31  205.03  -52.93  129.87
   23.00  -66.38  220.03  -52.00  139.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.91  235.03  -56.71  148.23
    1.00  -71.04  250.03  -59.51  156.78
    2.00  -71.79  265.03  -62.30  165.24
    3.00  -77.54  280.03  -69.31  163.94
    4.00  -79.50  295.03  -72.97  164.61
    5.00  -79.87  310.03  -75.65  167.50
    6.00  -79.05  325.03  -78.19  174.23
    7.00  -78.09  340.03  -81.13  181.72
    8.00  -78.25  355.03  -84.31  177.27
    9.00  -78.32   10.03  -86.91  150.17
   10.00  -78.13   25.03  -86.64   87.65
   11.00  -78.25   40.03  -83.53   70.03
   12.00  -78.56   55.03  -80.14   70.34
   13.00  -78.41   70.03  -76.79   71.97
   14.00  -78.25   85.03  -73.58   75.93
   15.00  -78.09  100.03  -70.63   81.04
   16.00  -77.93  115.03  -68.04   86.82
   17.00  -77.76  130.03  -65.86   93.05
   18.00  -78.89  145.03  -65.38  101.22
   19.00  -79.13  160.03  -64.53  108.00
   20.00  -78.28  175.03  -62.99  114.22
   21.00  -76.34  190.03  -60.73  121.04
   22.00  -73.31  205.03  -57.87  129.21
   23.00  -71.38  220.03  -56.76  138.40
</PRE>


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