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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>
29 Jul 1997 17:27:12 yearsecs  18120432
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.07  171.70  -50.78  107.88
    1.00  -66.14  186.70  -50.47  117.94
    2.00  -66.95  201.70  -51.47  127.84
    3.00  -67.75  216.70  -53.04  137.43
    4.00  -67.36  231.70  -54.00  147.35
    5.00  -68.02  246.70  -56.37  156.92
    6.00  -67.97  261.70  -58.46  167.04
    7.00  -68.36  276.70  -61.32  176.87
    8.00  -69.50  291.70  -65.22  185.56
    9.00  -70.01  306.70  -68.98  195.14
   10.00  -69.79  321.70  -72.47  207.22
   11.00  -69.39  336.70  -75.98  222.65
   12.00  -69.26  351.70  -79.54  243.38
   13.00  -69.39    6.70  -82.47  276.32
   14.00  -69.77   21.70  -83.03  324.61
   15.00  -70.39   36.70  -80.71    3.82
   16.00  -71.00   51.70  -77.14   27.03
   17.00  -71.09   66.70  -73.03   41.33
   18.00  -71.20   81.70  -69.20   53.17
   19.00  -70.51   96.70  -65.00   62.26
   20.00  -69.65  111.70  -61.05   71.02
   21.00  -68.82  126.70  -57.68   79.90
   22.00  -68.18  141.70  -55.11   89.09
   23.00  -67.27  156.70  -52.85   98.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.42  171.70  -56.16  109.65
    1.00  -72.55  186.70  -56.91  118.76
    2.00  -73.32  201.70  -57.79  127.33
    3.00  -78.65  216.70  -63.68  133.55
    4.00  -80.49  231.70  -66.34  138.67
    5.00  -80.89  246.70  -67.86  144.05
    6.00  -80.25  261.70  -68.84  150.84
    7.00  -79.28  276.70  -70.04  158.64
    8.00  -79.35  291.70  -72.35  163.93
    9.00  -79.36  306.70  -74.88  168.65
   10.00  -79.15  321.70  -77.57  173.15
   11.00  -79.21  336.70  -80.48  174.20
   12.00  -79.42  351.70  -83.27  168.37
   13.00  -79.23    6.70  -85.72  150.72
   14.00  -79.04   21.70  -86.25  106.38
   15.00  -78.85   36.70  -84.05   77.97
   16.00  -78.66   51.70  -80.88   71.01
   17.00  -78.46   66.70  -77.53   71.44
   18.00  -79.50   81.70  -74.84   79.63
   19.00  -79.76   96.70  -72.30   84.74
   20.00  -78.99  111.70  -69.39   87.80
   21.00  -77.21  126.70  -65.78   90.66
   22.00  -74.43  141.70  -61.37   94.55
   23.00  -72.70  156.70  -58.33  101.47
</PRE>


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