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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>
30 Jul 1997 03:35:42 yearsecs  18156942
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.83   18.78  -71.95  313.35
    1.00  -61.08   33.78  -70.77  340.59
    2.00  -62.19   48.78  -68.26    2.65
    3.00  -65.46   63.78  -68.12   24.74
    4.00  -65.23   78.78  -63.95   38.40
    5.00  -66.35   93.78  -61.54   52.95
    6.00  -66.57  108.78  -58.54   64.86
    7.00  -66.47  123.78  -55.73   75.56
    8.00  -67.12  138.78  -54.35   86.36
    9.00  -66.64  153.78  -52.43   96.07
   10.00  -66.22  168.78  -51.06  105.96
   11.00  -66.03  183.78  -50.39  115.98
   12.00  -66.07  198.78  -50.52  125.96
   13.00  -66.33  213.78  -51.48  135.85
   14.00  -66.81  228.78  -53.19  145.65
   15.00  -67.52  243.78  -55.54  155.30
   16.00  -68.45  258.78  -58.44  164.64
   17.00  -67.94  273.78  -60.43  175.33
   18.00  -68.02  288.78  -63.36  185.72
   19.00  -68.07  303.78  -66.71  196.58
   20.00  -66.87  318.78  -69.37  211.02
   21.00  -64.13  333.78  -70.75  231.42
   22.00  -62.21  348.78  -72.32  254.78
   23.00  -60.52    3.78  -72.84  283.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.83   18.78  -77.74  313.34
    1.00  -66.08   33.78  -76.79  346.48
    2.00  -67.19   48.78  -74.18   11.79
    3.00  -70.57   63.78  -73.37   37.25
    4.00  -73.79   78.78  -72.07   58.25
    5.00  -74.51   93.78  -69.16   68.92
    6.00  -73.54  108.78  -65.29   75.31
    7.00  -72.94  123.78  -62.19   82.92
    8.00  -74.16  138.78  -61.42   92.70
    9.00  -73.96  153.78  -59.81  100.71
   10.00  -74.37  168.78  -59.28  109.21
   11.00  -74.21  183.78  -58.63  117.39
   12.00  -74.17  198.78  -58.59  125.64
   13.00  -74.02  213.78  -58.94  133.92
   14.00  -74.23  228.78  -60.16  142.09
   15.00  -73.88  243.78  -61.30  150.68
   16.00  -74.03  258.78  -63.31  158.93
   17.00  -72.94  273.78  -64.68  168.97
   18.00  -73.02  288.78  -67.47  177.64
   19.00  -73.07  303.78  -70.63  186.49
   20.00  -71.87  318.78  -73.27  199.47
   21.00  -69.13  333.78  -75.03  220.25
   22.00  -67.21  348.78  -77.08  244.93
   23.00  -65.52    3.78  -78.13  277.27
</PRE>


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