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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>
28 Oct 1997 14:10:24 yearsecs  25971024
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.71  213.02  -47.95  136.00
    1.00  -63.21  228.02  -49.75  146.44
    2.00  -63.77  243.02  -52.02  156.89
    3.00  -64.31  258.02  -54.63  167.38
    4.00  -64.02  273.02  -56.84  178.69
    5.00  -65.33  288.02  -60.86  188.61
    6.00  -65.69  303.02  -64.48  199.75
    7.00  -65.57  318.02  -68.06  212.67
    8.00  -66.18  333.02  -72.38  226.61
    9.00  -65.63  348.02  -75.46  247.51
   10.00  -65.21    3.02  -77.73  276.08
   11.00  -65.02   18.02  -78.01  311.55
   12.00  -65.06   33.02  -75.78  343.50
   13.00  -65.32   48.02  -72.28    6.78
   14.00  -65.81   63.02  -68.72   24.66
   15.00  -66.51   78.02  -65.54   40.08
   16.00  -67.45   93.02  -62.85   54.14
   17.00  -68.60  108.02  -60.74   67.03
   18.00  -68.63  123.02  -58.06   77.28
   19.00  -67.94  138.02  -55.28   86.50
   20.00  -66.61  153.02  -52.46   95.54
   21.00  -65.52  168.02  -50.38  105.20
   22.00  -64.34  183.02  -48.71  115.20
   23.00  -63.16  198.02  -47.63  125.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.94  213.02  -56.87  134.08
    1.00  -73.15  228.02  -59.07  142.27
    2.00  -74.19  243.02  -61.50  149.98
    3.00  -75.35  258.02  -64.34  156.88
    4.00  -78.05  273.02  -68.63  159.77
    5.00  -79.11  288.02  -71.62  163.33
    6.00  -78.66  303.02  -73.91  170.00
    7.00  -78.29  318.02  -76.60  176.18
    8.00  -79.35  333.02  -79.76  173.39
    9.00  -79.26  348.02  -82.65  171.59
   10.00  -78.96    3.02  -85.43  160.53
   11.00  -78.59   18.02  -86.95  116.69
   12.00  -78.10   33.02  -85.12   73.24
   13.00  -77.83   48.02  -81.70   64.97
   14.00  -77.90   63.02  -78.19   67.68
   15.00  -77.44   78.02  -74.62   70.41
   16.00  -77.23   93.02  -71.35   75.77
   17.00  -75.66  108.02  -67.30   78.93
   18.00  -75.40  123.02  -64.63   86.03
   19.00  -76.09  138.02  -63.38   94.50
   20.00  -75.48  153.02  -61.38  101.51
   21.00  -73.51  168.02  -58.44  108.37
   22.00  -72.76  183.02  -57.17  116.67
   23.00  -72.01  198.02  -56.40  125.31
</PRE>


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