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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>
15 Sep 1997 22:50:30 yearsecs  22287030
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.49   87.09  -62.20   46.05
    1.00  -64.92  102.09  -58.20   57.54
    2.00  -65.94  117.09  -56.31   70.23
    3.00  -66.95  132.09  -55.01   81.72
    4.00  -66.70  147.09  -53.06   91.62
    5.00  -67.52  162.09  -52.74  102.01
    6.00  -67.55  177.09  -52.07  111.86
    7.00  -67.49  192.09  -51.82  121.60
    8.00  -68.24  207.09  -52.95  131.18
    9.00  -68.10  222.09  -53.80  140.80
   10.00  -67.79  237.09  -54.99  150.70
   11.00  -67.56  252.09  -56.68  160.86
   12.00  -67.59  267.09  -58.99  171.08
   13.00  -67.85  282.09  -61.88  181.22
   14.00  -68.33  297.09  -65.40  191.21
   15.00  -69.04  312.09  -69.49  201.15
   16.00  -69.90  327.09  -73.92  211.63
   17.00  -70.63  342.09  -78.28  224.66
   18.00  -70.48  357.09  -81.79  248.34
   19.00  -69.94   12.09  -83.52  291.93
   20.00  -68.97   27.09  -81.37  338.10
   21.00  -68.03   42.09  -76.90    4.73
   22.00  -67.17   57.09  -71.85   21.44
   23.00  -66.34   72.09  -66.88   34.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.24   87.09  -68.79   59.41
    1.00  -73.25  102.09  -66.35   70.91
    2.00  -74.16  117.09  -64.40   80.96
    3.00  -78.37  132.09  -66.18   94.90
    4.00  -80.35  147.09  -66.60  103.96
    5.00  -80.69  162.09  -65.97  110.25
    6.00  -80.11  177.09  -64.80  115.99
    7.00  -79.53  192.09  -64.00  122.29
    8.00  -79.86  207.09  -64.54  128.78
    9.00  -79.69  222.09  -64.98  135.33
   10.00  -79.75  237.09  -66.04  141.67
   11.00  -79.59  252.09  -67.26  148.16
   12.00  -79.68  267.09  -69.05  154.02
   13.00  -79.42  282.09  -70.92  160.31
   14.00  -79.34  297.09  -73.22  165.79
   15.00  -79.05  312.09  -75.73  171.34
   16.00  -79.14  327.09  -78.60  174.11
   17.00  -78.85  342.09  -81.56  176.26
   18.00  -79.31  357.09  -84.26  165.02
   19.00  -79.05   12.09  -86.37  137.67
   20.00  -78.12   27.09  -86.29   82.59
   21.00  -76.33   42.09  -83.02   51.63
   22.00  -74.34   57.09  -78.11   46.53
   23.00  -72.92   72.09  -73.11   51.21
</PRE>


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