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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>
14 Jul 1997 18:48:28 yearsecs  16829308
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.04  147.25  -51.35   90.72
    1.00  -65.24  162.25  -50.42  101.15
    2.00  -66.22  177.25  -50.72  111.65
    3.00  -67.20  192.25  -51.53  121.69
    4.00  -67.00  207.25  -51.75  131.45
    5.00  -67.90  222.25  -53.62  140.97
    6.00  -68.12  237.25  -55.31  150.63
    7.00  -68.84  252.25  -57.85  159.99
    8.00  -70.37  267.25  -61.44  168.27
    9.00  -71.47  282.25  -64.97  176.32
   10.00  -72.09  297.25  -68.48  184.60
   11.00  -70.92  312.25  -71.00  197.16
   12.00  -70.23  327.25  -74.21  210.85
   13.00  -69.93  342.25  -77.79  227.40
   14.00  -69.97  357.25  -81.38  250.93
   15.00  -70.34   12.25  -83.96  291.76
   16.00  -70.75   27.25  -83.23  344.19
   17.00  -70.66   42.25  -79.48   13.93
   18.00  -70.64   57.25  -75.25   31.42
   19.00  -69.81   72.25  -70.37   42.39
   20.00  -68.80   87.25  -65.58   52.11
   21.00  -67.83  102.25  -61.17   61.77
   22.00  -67.05  117.25  -57.42   71.58
   23.00  -66.19  132.25  -54.21   81.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.76  147.25  -58.17   95.29
    1.00  -72.96  162.25  -58.21  104.82
    2.00  -73.80  177.25  -58.37  113.67
    3.00  -79.05  192.25  -63.51  122.33
    4.00  -80.88  207.25  -65.59  128.53
    5.00  -81.32  222.25  -66.59  134.20
    6.00  -80.78  237.25  -66.99  140.57
    7.00  -79.94  252.25  -67.58  147.67
    8.00  -80.11  267.25  -69.39  153.21
    9.00  -80.21  282.25  -71.43  158.31
   10.00  -80.11  297.25  -73.63  163.28
   11.00  -80.30  312.25  -76.16  166.13
   12.00  -80.41  327.25  -78.75  167.24
   13.00  -80.12  342.25  -81.39  167.21
   14.00  -79.84  357.25  -83.99  160.16
   15.00  -79.57   12.25  -85.85  134.91
   16.00  -79.30   27.25  -85.39   95.04
   17.00  -79.02   42.25  -82.86   76.04
   18.00  -79.95   57.25  -79.70   79.02
   19.00  -80.13   72.25  -76.83   80.55
   20.00  -79.32   87.25  -73.72   80.44
   21.00  -77.53  102.25  -69.83   80.48
   22.00  -74.74  117.25  -64.90   81.98
   23.00  -72.96  132.25  -61.03   87.77
</PRE>


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