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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 May 1997 16:56:27 yearsecs  12588987
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.15  178.54  -46.59  111.67
    1.00  -62.71  193.54  -47.09  122.35
    2.00  -63.28  208.54  -48.21  132.79
    3.00  -63.84  223.54  -49.90  143.10
    4.00  -63.42  238.54  -51.13  153.85
    5.00  -64.68  253.54  -54.31  163.89
    6.00  -65.18  268.54  -57.11  174.34
    7.00  -65.21  283.54  -59.86  185.39
    8.00  -65.87  298.54  -63.61  195.96
    9.00  -65.24  313.54  -66.65  209.22
   10.00  -64.82  328.54  -70.07  224.35
   11.00  -64.63  343.54  -73.53  242.96
   12.00  -64.67  358.54  -76.54  267.77
   13.00  -64.92   13.54  -78.06  300.84
   14.00  -65.41   28.54  -77.09  335.35
   15.00  -66.11   43.54  -74.40    2.32
   16.00  -67.04   58.54  -71.31   22.70
   17.00  -68.20   73.54  -68.46   39.65
   18.00  -68.22   88.54  -64.69   52.01
   19.00  -67.54  103.54  -60.59   62.29
   20.00  -66.16  118.54  -56.28   71.52
   21.00  -65.06  133.54  -52.87   81.17
   22.00  -63.80  148.54  -49.96   90.91
   23.00  -62.62  163.54  -47.68  101.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.29  178.54  -59.84  114.84
    1.00  -76.28  193.54  -60.68  122.83
    2.00  -77.19  208.54  -61.89  130.24
    3.00  -78.11  223.54  -63.51  137.04
    4.00  -80.21  238.54  -66.57  141.75
    5.00  -81.13  253.54  -68.69  146.20
    6.00  -80.90  268.54  -70.12  151.96
    7.00  -80.60  283.54  -71.85  157.66
    8.00  -81.43  298.54  -74.38  158.93
    9.00  -81.46  313.54  -76.62  161.19
   10.00  -81.70  328.54  -78.89  160.09
   11.00  -81.74  343.54  -81.02  156.06
   12.00  -81.25  358.54  -83.16  148.66
   13.00  -80.91   13.54  -84.48  128.80
   14.00  -80.77   28.54  -83.97  103.22
   15.00  -80.28   43.54  -82.18   85.27
   16.00  -79.99   58.54  -79.45   79.17
   17.00  -78.70   73.54  -76.15   74.22
   18.00  -78.37   88.54  -72.95   77.57
   19.00  -78.75  103.54  -70.50   84.15
   20.00  -78.18  118.54  -67.74   88.80
   21.00  -76.56  133.54  -64.33   92.91
   22.00  -75.92  148.54  -62.18   99.60
   23.00  -75.16  163.54  -60.35  106.81
</PRE>


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