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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>
10 Jun 1997 12:11:15 yearsecs  13867875
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.29  251.40  -50.88  164.39
    1.00  -61.88  266.40  -53.77  175.41
    2.00  -62.48  281.40  -57.00  186.55
    3.00  -63.07  296.40  -60.63  197.85
    4.00  -62.39  311.40  -63.54  211.46
    5.00  -63.52  326.40  -68.34  224.30
    6.00  -64.25  341.40  -72.68  240.75
    7.00  -64.52  356.40  -76.04  263.95
    8.00  -65.15   11.40  -78.29  295.52
    9.00  -64.53   26.40  -76.45  330.09
   10.00  -64.14   41.40  -72.64  355.71
   11.00  -63.96   56.40  -68.37   14.24
   12.00  -64.01   71.40  -64.44   29.53
   13.00  -64.29   86.40  -61.05   43.54
   14.00  -64.79  101.40  -58.21   56.82
   15.00  -65.52  116.40  -56.00   69.27
   16.00  -66.47  131.40  -54.61   80.84
   17.00  -67.54  146.40  -53.99   91.71
   18.00  -67.23  161.40  -52.49  101.43
   19.00  -67.09  176.40  -51.62  111.29
   20.00  -65.74  191.40  -50.06  121.04
   21.00  -64.48  206.40  -49.25  131.18
   22.00  -63.05  221.40  -48.95  141.82
   23.00  -61.85  236.40  -49.40  152.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.28  251.40  -58.12  159.09
    1.00  -70.31  266.40  -61.25  167.79
    2.00  -71.40  281.40  -64.76  175.88
    3.00  -72.39  296.40  -68.53  183.46
    4.00  -74.94  311.40  -73.56  185.76
    5.00  -76.04  326.40  -77.52  189.23
    6.00  -75.87  341.40  -81.02  197.09
    7.00  -75.22  356.40  -84.63  211.28
    8.00  -76.03   11.40  -88.71  200.44
    9.00  -75.89   26.40  -87.20   41.57
   10.00  -75.78   41.40  -83.07   46.43
   11.00  -75.47   56.40  -78.91   52.02
   12.00  -75.08   71.40  -74.81   58.35
   13.00  -74.92   86.40  -71.11   65.97
   14.00  -74.87  101.40  -67.87   73.86
   15.00  -74.31  116.40  -64.65   80.83
   16.00  -74.09  131.40  -62.24   88.62
   17.00  -72.54  146.40  -59.03   95.43
   18.00  -72.23  161.40  -57.54  103.92
   19.00  -72.80  176.40  -57.39  112.88
   20.00  -72.02  191.40  -56.35  121.44
   21.00  -70.35  206.40  -54.99  130.46
   22.00  -69.97  221.40  -55.52  139.73
   23.00  -68.99  236.40  -56.01  149.61
</PRE>


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