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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 Jun 1997 16:13:46 yearsecs  14314426
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.00  193.41  -45.39  122.19
    1.00  -61.63  208.41  -46.60  132.89
    2.00  -62.26  223.41  -48.38  143.47
    3.00  -62.89  238.41  -50.62  154.00
    4.00  -62.18  253.41  -52.01  165.37
    5.00  -63.32  268.41  -55.42  175.82
    6.00  -64.13  283.41  -58.87  186.46
    7.00  -64.47  298.41  -62.34  197.75
    8.00  -65.05  313.41  -66.44  209.41
    9.00  -64.47  328.41  -69.72  224.84
   10.00  -63.99  343.41  -72.90  243.97
   11.00  -63.80  358.41  -75.65  268.91
   12.00  -63.84   13.41  -76.85  301.07
   13.00  -64.09   28.41  -75.58  333.74
   14.00  -64.58   43.41  -72.64  359.28
   15.00  -65.28   58.41  -69.38   18.84
   16.00  -66.22   73.41  -66.41   35.40
   17.00  -67.37   88.41  -63.86   50.36
   18.00  -67.37  103.41  -60.45   61.95
   19.00  -66.71  118.41  -56.87   72.02
   20.00  -65.23  133.41  -53.06   81.22
   21.00  -64.12  148.41  -50.30   90.99
   22.00  -62.71  163.41  -47.78  100.99
   23.00  -61.55  178.41  -45.99  111.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.71  193.41  -57.05  122.64
    1.00  -73.54  208.41  -58.22  131.07
    2.00  -74.44  223.41  -59.95  139.04
    3.00  -75.27  238.41  -62.00  146.58
    4.00  -77.37  253.41  -65.50  151.92
    5.00  -78.41  268.41  -68.25  157.08
    6.00  -78.23  283.41  -70.33  163.80
    7.00  -77.74  298.41  -72.58  171.24
    8.00  -78.45  313.41  -75.76  174.14
    9.00  -78.43  328.41  -78.74  178.08
   10.00  -78.32  343.41  -81.86  180.11
   11.00  -78.01  358.41  -85.09  177.34
   12.00  -77.66   13.41  -87.88  141.85
   13.00  -77.50   28.41  -86.36   71.04
   14.00  -77.43   43.41  -82.80   61.72
   15.00  -76.96   58.41  -79.00   61.19
   16.00  -76.79   73.41  -75.32   66.02
   17.00  -75.55   88.41  -71.13   68.82
   18.00  -75.33  103.41  -67.87   75.91
   19.00  -75.80  118.41  -65.69   84.37
   20.00  -75.27  133.41  -63.12   91.15
   21.00  -73.68  148.41  -59.98   97.52
   22.00  -73.33  163.41  -58.52  105.68
   23.00  -72.46  178.41  -56.98  113.94
</PRE>


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