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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>
24 Aug 1997 13:51:34 yearsecs  20353894
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.43  228.87  -50.97  146.62
    1.00  -63.98  243.87  -52.33  157.38
    2.00  -64.93  258.87  -55.32  167.54
    3.00  -65.87  273.87  -58.63  177.57
    4.00  -65.64  288.87  -61.31  188.89
    5.00  -66.65  303.87  -65.52  198.98
    6.00  -66.79  318.87  -69.32  211.25
    7.00  -66.60  333.87  -72.96  226.67
    8.00  -67.03  348.87  -76.94  245.53
    9.00  -66.91    3.87  -79.58  274.99
   10.00  -66.52   18.87  -79.65  313.83
   11.00  -66.36   33.87  -77.09  347.15
   12.00  -66.42   48.87  -73.30   10.13
   13.00  -66.71   63.87  -69.48   27.39
   14.00  -67.21   78.87  -66.06   42.16
   15.00  -67.94   93.87  -63.15   55.64
   16.00  -68.90  108.87  -60.86   68.05
   17.00  -69.92  123.87  -59.22   79.28
   18.00  -69.79  138.87  -57.06   88.58
   19.00  -69.08  153.87  -54.90   97.51
   20.00  -68.09  168.87  -52.94  106.67
   21.00  -67.04  183.87  -51.40  116.20
   22.00  -66.01  198.87  -50.46  126.02
   23.00  -65.08  213.87  -50.29  136.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.83  228.87  -58.84  142.94
    1.00  -73.84  243.87  -61.27  150.77
    2.00  -74.79  258.87  -63.98  158.05
    3.00  -77.81  273.87  -68.57  160.64
    4.00  -79.97  288.87  -72.26  161.18
    5.00  -80.47  303.87  -74.83  163.72
    6.00  -79.94  318.87  -77.22  168.91
    7.00  -79.58  333.87  -79.93  172.01
    8.00  -79.96  348.87  -82.58  165.70
    9.00  -79.67    3.87  -85.02  152.56
   10.00  -79.83   18.87  -85.61  117.38
   11.00  -79.55   33.87  -84.21   87.28
   12.00  -79.48   48.87  -81.41   77.27
   13.00  -79.23   63.87  -78.32   74.98
   14.00  -79.22   78.87  -75.27   77.78
   15.00  -78.88   93.87  -72.26   81.06
   16.00  -78.96  108.87  -69.80   86.68
   17.00  -78.33  123.87  -67.15   91.34
   18.00  -78.41  138.87  -65.50   97.92
   19.00  -78.34  153.87  -64.15  104.52
   20.00  -77.50  168.87  -62.44  110.90
   21.00  -75.72  183.87  -60.16  117.76
   22.00  -74.31  198.87  -58.73  125.68
   23.00  -73.19  213.87  -58.13  134.23
</PRE>


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