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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
25 Aug 1997 23:43:46 yearsecs  20475826
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.26   74.33  -66.21   36.31
    1.00  -66.15   89.33  -62.37   49.02
    2.00  -66.94  104.33  -59.82   62.03
    3.00  -67.71  119.33  -57.74   73.77
    4.00  -67.28  134.33  -55.06   83.52
    5.00  -67.89  149.33  -54.07   93.86
    6.00  -67.74  164.33  -52.83  103.58
    7.00  -67.92  179.33  -52.37  113.40
    8.00  -68.82  194.33  -53.17  123.08
    9.00  -69.23  209.33  -54.03  132.44
   10.00  -69.02  224.33  -54.86  141.91
   11.00  -68.80  239.33  -56.17  151.60
   12.00  -68.82  254.33  -58.12  161.38
   13.00  -69.06  269.33  -60.64  171.08
   14.00  -69.54  284.33  -63.76  180.52
   15.00  -70.24  299.33  -67.47  189.53
   16.00  -70.94  314.33  -71.52  198.62
   17.00  -71.19  329.33  -75.43  209.81
   18.00  -71.29  344.33  -79.33  224.66
   19.00  -70.68  359.34  -82.44  252.22
   20.00  -69.83   14.33  -83.49  299.80
   21.00  -69.01   29.33  -80.99  343.65
   22.00  -68.33   44.33  -76.61    8.82
   23.00  -67.41   59.33  -71.49   24.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.55   74.33  -71.40   48.70
    1.00  -72.64   89.33  -68.61   61.82
    2.00  -73.43  104.33  -66.05   72.56
    3.00  -78.54  119.33  -67.93   89.85
    4.00  -80.40  134.33  -67.77   99.18
    5.00  -80.78  149.33  -66.84  105.39
    6.00  -80.13  164.33  -65.30  110.67
    7.00  -79.24  179.33  -63.85  116.59
    8.00  -79.30  194.33  -63.77  123.28
    9.00  -79.21  209.33  -63.95  129.98
   10.00  -79.09  224.33  -64.52  136.73
   11.00  -79.11  239.33  -65.63  143.34
   12.00  -79.35  254.33  -67.29  149.46
   13.00  -79.16  269.33  -68.95  155.98
   14.00  -79.01  284.33  -70.99  162.22
   15.00  -78.82  299.33  -73.34  168.23
   16.00  -78.70  314.33  -76.03  173.41
   17.00  -78.49  329.33  -78.94  177.91
   18.00  -79.43  344.33  -81.92  171.53
   19.00  -79.60  359.34  -84.45  159.81
   20.00  -78.81   14.33  -86.72  131.04
   21.00  -77.04   29.33  -86.31   62.33
   22.00  -74.41   44.33  -81.69   37.46
   23.00  -72.74   59.33  -76.40   41.06
</PRE>


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