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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>
05 Oct 1997 13:46:42 yearsecs  23982402
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.10  222.60  -51.95  141.77
    1.00  -66.16  237.60  -53.55  151.88
    2.00  -66.95  252.60  -56.21  161.65
    3.00  -67.74  267.60  -59.20  171.28
    4.00  -67.34  282.60  -61.54  182.22
    5.00  -67.98  297.60  -65.22  192.12
    6.00  -67.91  312.60  -68.70  203.77
    7.00  -68.29  327.60  -72.78  216.21
    8.00  -69.33  342.60  -77.41  229.83
    9.00  -69.69  357.60  -81.20  252.79
   10.00  -69.35   12.60  -82.91  294.56
   11.00  -69.05   27.60  -81.36  339.56
   12.00  -68.99   42.60  -77.76    8.31
   13.00  -69.18   57.60  -73.78   27.20
   14.00  -69.60   72.60  -70.08   42.15
   15.00  -70.27   87.60  -66.89   55.34
   16.00  -70.91  102.60  -64.09   66.93
   17.00  -71.02  117.60  -61.33   76.68
   18.00  -71.15  132.60  -59.19   86.01
   19.00  -70.48  147.60  -56.85   94.53
   20.00  -69.63  162.60  -54.84  103.31
   21.00  -68.85  177.60  -53.36  112.51
   22.00  -68.23  192.60  -52.55  121.96
   23.00  -67.31  207.60  -52.07  131.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.00  222.60  -57.54  139.68
    1.00  -73.11  237.60  -59.93  147.78
    2.00  -73.88  252.60  -62.35  155.64
    3.00  -79.04  267.60  -68.63  155.51
    4.00  -80.83  282.60  -71.86  156.69
    5.00  -81.23  297.60  -74.17  159.45
    6.00  -80.62  312.60  -76.30  164.81
    7.00  -79.82  327.60  -78.78  170.48
    8.00  -79.75  342.60  -81.53  169.71
    9.00  -79.73  357.60  -84.10  160.68
   10.00  -79.50   12.60  -85.94  134.24
   11.00  -79.53   27.60  -85.15   96.36
   12.00  -79.75   42.60  -82.56   81.81
   13.00  -79.56   57.60  -79.64   76.63
   14.00  -79.36   72.60  -76.57   77.01
   15.00  -79.17   87.60  -73.58   80.01
   16.00  -78.98  102.60  -70.81   84.41
   17.00  -78.78  117.60  -68.37   89.63
   18.00  -79.78  132.60  -67.40   97.45
   19.00  -80.03  147.60  -66.26  103.75
   20.00  -79.29  162.60  -64.54  109.25
   21.00  -77.57  177.60  -62.19  115.14
   22.00  -74.88  192.60  -59.25  122.27
   23.00  -73.22  207.60  -57.88  130.67
</PRE>


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