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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>
18 Feb 1997 19:38:01 yearsecs   4217881
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.12  141.50  -52.00   86.78
    1.00  -64.35  156.50  -49.89   96.78
    2.00  -65.46  171.50  -50.17  107.56
    3.00  -66.58  186.50  -50.91  117.87
    4.00  -66.41  201.50  -50.94  127.74
    5.00  -67.33  216.50  -52.63  137.41
    6.00  -67.43  231.50  -54.05  147.19
    7.00  -67.27  246.50  -55.67  157.28
    8.00  -67.93  261.50  -58.40  166.93
    9.00  -67.61  276.50  -60.63  177.59
   10.00  -67.21  291.50  -63.23  188.80
   11.00  -67.01  306.50  -66.45  200.48
   12.00  -67.04  321.50  -70.20  213.15
   13.00  -67.30  336.50  -74.22  228.09
   14.00  -67.78  351.50  -78.20  247.80
   15.00  -68.49    6.50  -81.52  278.14
   16.00  -69.42   21.50  -82.67  323.41
   17.00  -70.36   36.50  -80.73    3.33
   18.00  -70.11   51.50  -76.39   23.58
   19.00  -69.59   66.50  -71.72   36.87
   20.00  -68.57   81.50  -66.77   47.10
   21.00  -67.57   96.50  -62.17   57.04
   22.00  -66.63  111.50  -58.06   66.94
   23.00  -65.83  126.50  -54.65   76.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.08  141.50  -61.05   94.09
    1.00  -75.01  156.50  -60.65  102.97
    2.00  -75.93  171.50  -60.73  111.39
    3.00  -79.43  186.50  -63.93  119.82
    4.00  -81.31  201.50  -65.91  126.13
    5.00  -81.64  216.50  -66.65  131.78
    6.00  -81.20  231.50  -66.99  137.87
    7.00  -80.86  246.50  -67.82  144.02
    8.00  -81.29  261.50  -69.62  148.69
    9.00  -81.16  276.50  -71.27  153.91
   10.00  -81.45  291.50  -73.40  157.25
   11.00  -81.30  306.50  -75.51  160.91
   12.00  -81.50  321.50  -77.83  161.44
   13.00  -81.16  336.50  -80.19  161.94
   14.00  -81.02  351.50  -82.46  156.28
   15.00  -80.66    6.50  -84.41  141.73
   16.00  -80.73   21.50  -84.55  114.26
   17.00  -80.38   36.50  -83.27   91.23
   18.00  -80.53   51.50  -80.70   83.79
   19.00  -80.09   66.50  -77.92   79.82
   20.00  -79.17   81.50  -74.73   78.25
   21.00  -77.49   96.50  -70.86   77.97
   22.00  -75.88  111.50  -66.87   81.09
   23.00  -74.61  126.50  -63.39   86.67
</PRE>


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