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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>
30 Jun 1997 18:14:15 yearsecs  15617655
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.60  156.39  -43.98   94.24
    1.00  -60.55  171.39  -45.20  106.11
    2.00  -62.09  186.39  -46.42  117.26
    3.00  -67.43  201.39  -51.93  127.61
    4.00  -67.07  216.39  -52.37  137.40
    5.00  -67.76  231.39  -54.34  146.97
    6.00  -67.69  246.39  -56.03  156.94
    7.00  -67.78  261.39  -58.24  167.00
    8.00  -68.63  276.39  -61.50  176.32
    9.00  -68.74  291.39  -64.52  186.52
   10.00  -68.46  306.39  -67.65  197.87
   11.00  -68.27  321.39  -71.19  210.49
   12.00  -68.31  336.39  -75.03  225.39
   13.00  -68.57  351.39  -78.87  245.23
   14.00  -69.05    6.39  -82.09  276.41
   15.00  -68.74   21.39  -81.93  322.15
   16.00  -68.37   36.39  -78.72  356.32
   17.00  -67.66   51.39  -73.96   16.16
   18.00  -68.40   66.39  -70.58   33.71
   19.00  -67.68   81.39  -65.91   45.22
   20.00  -66.84   96.39  -61.45   55.80
   21.00  -64.53  111.39  -55.90   64.38
   22.00  -61.41  126.39  -50.05   73.02
   23.00  -59.56  141.39  -46.22   83.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.60  156.39  -49.13   96.35
    1.00  -65.55  171.39  -50.26  107.51
    2.00  -67.09  186.39  -51.42  117.86
    3.00  -73.99  201.39  -58.45  127.09
    4.00  -76.82  216.39  -61.85  134.26
    5.00  -77.47  231.39  -63.44  141.23
    6.00  -76.78  246.39  -64.19  149.23
    7.00  -75.89  261.39  -65.25  157.91
    8.00  -76.08  276.39  -67.64  165.17
    9.00  -75.80  291.39  -70.04  173.22
   10.00  -75.57  306.39  -72.86  181.28
   11.00  -75.27  321.39  -76.00  189.93
   12.00  -75.31  336.39  -79.59  197.81
   13.00  -74.79  351.39  -83.17  211.27
   14.00  -74.36    6.39  -86.86  239.02
   15.00  -73.74   21.39  -87.25  342.33
   16.00  -73.37   36.39  -83.29   20.67
   17.00  -72.66   51.39  -78.57   33.79
   18.00  -73.40   66.39  -74.97   48.92
   19.00  -72.68   81.39  -70.55   56.77
   20.00  -71.84   96.39  -66.30   64.61
   21.00  -69.53  111.39  -60.99   70.64
   22.00  -66.41  126.39  -55.27   77.33
   23.00  -64.56  141.39  -51.43   86.33
</PRE>


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