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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>
07 Jul 1997 13:28:03 yearsecs  16205283
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.02  236.43  -46.70  154.15
    1.00  -59.61  251.43  -49.31  165.33
    2.00  -60.20  266.43  -52.24  176.64
    3.00  -60.79  281.43  -55.47  188.11
    4.00  -60.23  296.43  -58.02  201.00
    5.00  -61.17  311.43  -62.41  213.04
    6.00  -62.51  326.43  -67.43  225.88
    7.00  -63.17  341.43  -71.67  242.67
    8.00  -63.79  356.43  -75.32  265.22
    9.00  -63.16   11.43  -76.10  296.98
   10.00  -62.73   26.43  -74.31  328.90
   11.00  -62.53   41.43  -70.66  353.51
   12.00  -62.55   56.43  -66.62   11.98
   13.00  -62.80   71.43  -62.98   27.58
   14.00  -63.27   86.43  -59.89   42.02
   15.00  -63.97  101.43  -57.32   55.77
   16.00  -64.89  116.43  -55.35   68.63
   17.00  -66.04  131.43  -54.17   80.50
   18.00  -66.09  146.43  -52.50   90.79
   19.00  -65.22  161.43  -50.45  100.58
   20.00  -63.61  176.43  -48.12  110.49
   21.00  -62.48  191.43  -46.82  120.86
   22.00  -60.84  206.43  -45.71  131.56
   23.00  -59.71  221.43  -45.75  142.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.45  236.43  -61.05  146.15
    1.00  -75.12  251.43  -63.31  153.66
    2.00  -75.93  266.43  -66.00  160.42
    3.00  -76.53  281.43  -68.80  166.76
    4.00  -77.87  296.43  -72.30  170.07
    5.00  -78.90  311.43  -75.56  171.77
    6.00  -78.96  326.43  -78.44  174.92
    7.00  -78.52  341.43  -81.44  178.69
    8.00  -78.73  356.43  -84.42  171.30
    9.00  -78.75   11.43  -86.63  141.56
   10.00  -78.43   26.43  -86.19   87.91
   11.00  -78.08   41.43  -83.24   67.98
   12.00  -77.79   56.43  -79.70   65.65
   13.00  -77.64   71.43  -76.18   68.91
   14.00  -77.50   86.43  -72.86   73.88
   15.00  -77.11  101.43  -69.66   79.08
   16.00  -77.07  116.43  -67.11   85.72
   17.00  -76.44  131.43  -64.47   91.73
   18.00  -76.17  146.43  -62.62   98.80
   19.00  -76.18  161.43  -61.50  106.37
   20.00  -75.85  176.43  -60.47  113.92
   21.00  -74.86  191.43  -59.23  121.65
   22.00  -74.88  206.43  -59.49  129.71
   23.00  -74.08  221.43  -59.46  138.12
</PRE>


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