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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>
22 Apr 1997 22:07:24 yearsecs   9670044
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.34   96.91  -58.70   52.53
    1.00  -63.98  111.91  -55.22   64.17
    2.00  -64.91  126.91  -53.64   76.33
    3.00  -65.84  141.91  -52.70   87.55
    4.00  -65.63  156.91  -51.17   97.67
    5.00  -66.68  171.91  -51.38  108.21
    6.00  -66.87  186.91  -51.19  118.17
    7.00  -66.72  201.91  -51.25  127.99
    8.00  -67.39  216.91  -52.72  137.66
    9.00  -66.97  231.91  -53.66  147.67
   10.00  -66.56  246.91  -55.08  158.02
   11.00  -66.36  261.91  -57.08  168.57
   12.00  -66.40  276.91  -59.65  179.22
   13.00  -66.66  291.91  -62.84  189.85
   14.00  -67.14  306.91  -66.66  200.58
   15.00  -67.85  321.91  -70.98  211.87
   16.00  -68.78  336.91  -75.54  224.68
   17.00  -69.79  351.91  -80.04  241.76
   18.00  -69.63    6.91  -82.74  276.21
   19.00  -69.06   21.91  -82.22  324.09
   20.00  -67.93   36.91  -78.13  356.07
   21.00  -66.90   51.91  -73.00   14.94
   22.00  -65.88   66.91  -67.75   28.66
   23.00  -64.96   81.91  -62.87   40.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.98   96.91  -64.45   61.44
    1.00  -71.09  111.91  -62.41   73.22
    2.00  -72.11  126.91  -60.92   83.69
    3.00  -75.42  141.91  -62.32   95.71
    4.00  -77.93  156.91  -63.53  105.53
    5.00  -78.49  171.91  -63.31  112.88
    6.00  -77.76  186.91  -62.21  119.68
    7.00  -77.10  201.91  -61.61  126.99
    8.00  -77.71  216.91  -62.76  134.11
    9.00  -77.34  231.91  -63.36  141.59
   10.00  -77.35  246.91  -64.77  148.82
   11.00  -77.20  261.91  -66.41  156.22
   12.00  -77.19  276.91  -68.56  163.27
   13.00  -76.98  291.91  -70.93  170.59
   14.00  -77.06  306.91  -73.83  176.85
   15.00  -76.73  321.91  -76.81  184.28
   16.00  -76.87  336.91  -80.24  189.05
   17.00  -76.12  351.91  -83.69  199.54
   18.00  -76.30    6.91  -87.51  197.38
   19.00  -76.28   21.91  -88.36   55.94
   20.00  -75.36   36.91  -84.17   39.71
   21.00  -73.32   51.91  -78.89   37.47
   22.00  -71.77   66.91  -73.56   43.65
   23.00  -70.46   81.91  -68.48   51.58
</PRE>


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