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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>
19 Apr 1997 14:16:34 yearsecs   9382594
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.05  222.30  -43.23  144.00
    1.00  -57.45  237.30  -45.28  155.42
    2.00  -57.84  252.30  -47.74  166.93
    3.00  -58.23  267.30  -50.56  178.65
    4.00  -58.46  282.30  -53.48  190.78
    5.00  -59.27  297.30  -57.31  202.72
    6.00  -61.15  312.30  -62.60  213.87
    7.00  -62.69  327.30  -67.81  226.55
    8.00  -62.35  342.30  -71.08  245.17
    9.00  -61.82  357.30  -73.44  269.57
   10.00  -61.40   12.30  -74.14  299.80
   11.00  -61.21   27.30  -72.32  329.71
   12.00  -61.25   42.30  -68.81  353.19
   13.00  -61.50   57.30  -65.05   11.40
   14.00  -61.99   72.30  -61.76   27.16
   15.00  -62.69   87.30  -59.03   41.95
   16.00  -63.63  102.30  -56.77   56.04
   17.00  -64.78  117.30  -55.07   69.16
   18.00  -64.99  132.30  -52.97   80.25
   19.00  -63.68  147.30  -49.94   89.96
   20.00  -62.02  162.30  -47.13   99.94
   21.00  -60.83  177.30  -45.29  110.51
   22.00  -59.01  192.30  -43.39  121.29
   23.00  -57.92  207.30  -42.91  132.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.72  222.30  -61.11  137.80
    1.00  -76.59  237.30  -63.12  144.88
    2.00  -77.44  252.30  -65.43  151.30
    3.00  -78.00  267.30  -67.78  157.35
    4.00  -78.83  282.30  -70.56  161.90
    5.00  -79.94  297.30  -73.55  163.89
    6.00  -80.37  312.30  -76.19  165.86
    7.00  -80.06  327.30  -78.74  169.14
    8.00  -79.81  342.30  -81.47  169.38
    9.00  -79.78  357.30  -84.03  160.62
   10.00  -79.22   12.30  -86.21  136.19
   11.00  -78.77   27.30  -85.80   89.89
   12.00  -78.42   42.30  -82.99   70.80
   13.00  -78.12   57.30  -79.56   67.82
   14.00  -77.96   72.30  -76.12   70.57
   15.00  -77.65   87.30  -72.77   74.71
   16.00  -77.74  102.30  -69.97   81.04
   17.00  -77.68  117.30  -67.49   87.28
   18.00  -77.26  132.30  -65.13   93.32
   19.00  -76.48  147.30  -62.84   99.54
   20.00  -76.30  162.30  -61.57  106.90
   21.00  -75.77  177.30  -60.36  114.34
   22.00  -75.98  192.30  -60.36  122.17
   23.00  -75.43  207.30  -60.07  130.05
</PRE>


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