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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>
12 Jun 1997 18:30:27 yearsecs  14063427
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.50  150.51  -48.46   91.62
    1.00  -63.04  165.51  -48.01  102.61
    2.00  -63.59  180.51  -48.00  113.34
    3.00  -64.13  195.51  -48.53  123.76
    4.00  -63.80  210.51  -48.83  134.08
    5.00  -65.10  225.51  -51.27  144.06
    6.00  -65.51  240.51  -53.30  154.21
    7.00  -65.44  255.51  -55.27  164.77
    8.00  -66.13  270.51  -58.28  174.89
    9.00  -65.56  285.51  -60.56  186.46
   10.00  -65.08  300.51  -63.36  198.61
   11.00  -64.89  315.51  -66.83  211.53
   12.00  -64.92  330.51  -70.65  226.30
   13.00  -65.18  345.51  -74.49  244.69
   14.00  -65.66    0.51  -77.85  269.97
   15.00  -66.37   15.51  -79.64  305.14
   16.00  -67.30   30.51  -78.88  342.31
   17.00  -68.46   45.51  -76.42   10.83
   18.00  -68.49   60.51  -72.28   28.27
   19.00  -67.79   75.51  -67.53   40.47
   20.00  -66.45   90.51  -62.40   50.47
   21.00  -65.35  105.51  -57.93   60.80
   22.00  -64.14  120.51  -53.85   70.93
   23.00  -62.96  135.51  -50.44   81.03
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.25  150.51  -58.36   97.57
    1.00  -73.36  165.51  -58.42  106.89
    2.00  -74.32  180.51  -58.81  115.62
    3.00  -75.31  195.51  -59.70  123.84
    4.00  -77.88  210.51  -62.65  130.98
    5.00  -78.85  225.51  -64.36  137.43
    6.00  -78.28  240.51  -64.97  144.78
    7.00  -77.63  255.51  -65.97  152.56
    8.00  -78.52  270.51  -68.62  157.76
    9.00  -78.18  285.51  -70.63  164.80
   10.00  -77.98  300.51  -73.10  171.34
   11.00  -78.04  315.51  -76.01  176.49
   12.00  -78.02  330.51  -79.09  180.72
   13.00  -77.80  345.51  -82.32  183.98
   14.00  -77.94    0.51  -85.55  176.15
   15.00  -77.53   15.51  -88.12  128.88
   16.00  -77.37   30.51  -85.94   66.19
   17.00  -75.87   45.51  -81.98   49.12
   18.00  -75.63   60.51  -77.91   54.99
   19.00  -76.32   75.51  -74.57   65.11
   20.00  -75.75   90.51  -70.82   70.43
   21.00  -73.86  105.51  -66.20   74.06
   22.00  -73.16  120.51  -62.91   81.37
   23.00  -72.36  135.51  -60.02   88.97
</PRE>


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