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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>
28 Dec 1997 13:31:12 yearsecs  31239072
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.59  223.08  -50.56  142.56
    1.00  -64.85  238.08  -52.40  152.85
    2.00  -65.92  253.08  -55.35  162.72
    3.00  -67.00  268.08  -58.64  172.33
    4.00  -66.92  283.08  -61.27  183.07
    5.00  -67.98  298.08  -65.33  192.48
    6.00  -68.42  313.08  -69.24  203.17
    7.00  -69.46  328.08  -73.83  213.73
    8.00  -71.40  343.08  -79.09  222.70
    9.00  -70.88  358.08  -82.34  248.52
   10.00  -69.89   13.08  -83.52  295.42
   11.00  -69.09   28.08  -81.32  340.88
   12.00  -68.64   43.08  -77.28    7.95
   13.00  -68.52   58.08  -72.99   25.88
   14.00  -68.71   73.08  -69.09   40.41
   15.00  -69.21   88.08  -65.77   53.54
   16.00  -69.72  103.08  -62.85   65.28
   17.00  -69.69  118.08  -59.94   75.28
   18.00  -69.71  133.08  -57.69   84.88
   19.00  -68.89  148.08  -55.20   93.70
   20.00  -67.87  163.08  -53.03  102.82
   21.00  -67.11  178.08  -51.60  112.41
   22.00  -66.55  193.08  -50.89  122.20
   23.00  -65.71  208.08  -50.54  132.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.74  223.08  -58.28  139.65
    1.00  -73.97  238.08  -60.77  147.42
    2.00  -74.88  253.08  -63.30  154.81
    3.00  -79.86  268.08  -69.31  154.04
    4.00  -81.64  283.08  -72.38  154.47
    5.00  -82.12  298.08  -74.57  156.23
    6.00  -81.43  313.08  -76.54  161.27
    7.00  -80.42  328.08  -78.89  167.18
    8.00  -80.34  343.08  -81.47  165.40
    9.00  -80.22  358.08  -83.86  156.23
   10.00  -79.89   13.08  -85.55  131.79
   11.00  -79.83   28.08  -84.84   97.81
   12.00  -79.96   43.08  -82.39   83.13
   13.00  -79.69   58.08  -79.54   77.40
   14.00  -79.42   73.08  -76.49   77.37
   15.00  -79.16   88.08  -73.48   80.12
   16.00  -78.90  103.08  -70.68   84.38
   17.00  -78.64  118.08  -68.19   89.54
   18.00  -79.73  133.08  -67.30   97.54
   19.00  -80.05  148.08  -66.24  103.96
   20.00  -79.38  163.08  -64.61  109.53
   21.00  -77.76  178.08  -62.38  115.45
   22.00  -75.24  193.08  -59.61  122.55
   23.00  -73.76  208.08  -58.43  130.84
</PRE>


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