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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>
11 Sep 1997 18:37:20 yearsecs  21926240
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.13  149.80  -48.12   90.92
    1.00  -62.69  164.80  -47.68  101.98
    2.00  -63.26  179.80  -47.68  112.78
    3.00  -63.82  194.80  -48.21  123.26
    4.00  -63.40  209.80  -48.40  133.65
    5.00  -64.66  224.80  -50.79  143.72
    6.00  -65.16  239.80  -52.90  153.90
    7.00  -65.19  254.80  -54.95  164.44
    8.00  -65.86  269.80  -57.92  174.64
    9.00  -65.22  284.80  -60.12  186.32
   10.00  -64.85  299.80  -63.00  198.36
   11.00  -64.61  314.80  -66.41  211.32
   12.00  -64.65  329.80  -70.23  226.02
   13.00  -64.91  344.80  -74.07  244.21
   14.00  -65.39  359.81  -77.47  269.01
   15.00  -66.10   14.80  -79.35  303.40
   16.00  -67.03   29.80  -78.71  340.32
   17.00  -68.18   44.80  -76.33    9.08
   18.00  -68.21   59.80  -72.19   26.83
   19.00  -67.52   74.80  -67.43   39.28
   20.00  -66.14   89.80  -62.25   49.39
   21.00  -65.04  104.80  -57.75   59.85
   22.00  -63.78  119.80  -53.60   70.05
   23.00  -62.60  134.80  -50.16   80.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.94  149.80  -59.11   97.69
    1.00  -73.96  164.80  -59.07  106.81
    2.00  -74.90  179.80  -59.42  115.39
    3.00  -75.84  194.80  -60.24  123.47
    4.00  -78.23  209.80  -62.97  130.53
    5.00  -79.20  224.80  -64.65  136.86
    6.00  -78.78  239.80  -65.37  143.92
    7.00  -78.24  254.80  -66.41  151.35
    8.00  -79.09  269.80  -68.96  156.31
    9.00  -78.92  284.80  -71.00  162.63
   10.00  -78.98  299.80  -73.50  167.87
   11.00  -78.85  314.80  -76.17  172.92
   12.00  -78.58  329.80  -79.05  177.51
   13.00  -78.34  344.80  -82.15  179.79
   14.00  -78.38  359.81  -85.22  171.63
   15.00  -77.94   14.80  -87.66  131.87
   16.00  -77.75   29.80  -85.95   72.68
   17.00  -76.36   44.80  -82.31   52.74
   18.00  -76.11   59.80  -78.31   57.09
   19.00  -76.69   74.80  -74.94   66.23
   20.00  -76.13   89.80  -71.25   71.16
   21.00  -74.36  104.80  -66.78   74.64
   22.00  -73.74  119.80  -63.57   81.81
   23.00  -72.93  134.80  -60.68   89.17
</PRE>


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