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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>
26 Oct 1997 14:34:48 yearsecs  25799688
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.28  207.46  -51.06  131.68
    1.00  -66.31  222.46  -52.13  141.61
    2.00  -67.07  237.46  -54.37  151.32
    3.00  -67.83  252.46  -56.97  160.91
    4.00  -67.39  267.46  -58.87  171.52
    5.00  -68.00  282.46  -62.09  181.29
    6.00  -67.88  297.46  -65.10  192.18
    7.00  -68.21  312.46  -68.91  203.09
    8.00  -69.25  327.46  -73.51  213.69
    9.00  -69.56  342.46  -77.55  228.92
   10.00  -69.27  357.46  -80.81  254.06
   11.00  -69.02   12.46  -82.55  294.54
   12.00  -69.01   27.46  -81.35  339.12
   13.00  -69.23   42.46  -78.05    8.89
   14.00  -69.69   57.46  -74.31   28.57
   15.00  -70.38   72.46  -70.84   44.02
   16.00  -71.04   87.46  -67.64   56.90
   17.00  -71.16  102.46  -64.36   67.28
   18.00  -71.31  117.46  -61.63   76.99
   19.00  -70.66  132.46  -58.72   85.42
   20.00  -69.83  147.46  -56.21   93.97
   21.00  -69.06  162.46  -54.27  102.95
   22.00  -68.42  177.46  -52.94  112.31
   23.00  -67.50  192.46  -51.83  121.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.07  207.46  -57.73  130.62
    1.00  -74.15  222.46  -59.60  138.65
    2.00  -74.91  237.46  -61.58  146.36
    3.00  -79.77  252.46  -67.45  148.03
    4.00  -81.46  267.46  -70.40  150.29
    5.00  -81.86  282.46  -72.42  153.66
    6.00  -81.33  297.46  -74.19  159.07
    7.00  -80.52  312.46  -76.25  165.23
    8.00  -80.65  327.46  -78.78  165.92
    9.00  -80.68  342.46  -81.27  163.32
   10.00  -80.43  357.46  -83.63  155.30
   11.00  -80.41   12.46  -84.98  131.84
   12.00  -80.57   27.46  -84.26  103.65
   13.00  -80.35   42.46  -82.33   86.46
   14.00  -80.14   57.46  -79.65   80.18
   15.00  -79.93   72.46  -76.75   79.62
   16.00  -79.72   87.46  -73.88   81.94
   17.00  -79.51  102.46  -71.20   85.82
   18.00  -80.43  117.46  -69.70   93.24
   19.00  -80.64  132.46  -68.16   98.91
   20.00  -79.90  147.46  -66.14  103.52
   21.00  -78.26  162.46  -63.52  108.37
   22.00  -75.74  177.46  -60.33  114.41
   23.00  -74.20  192.46  -58.56  122.17
</PRE>


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