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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>
03 Jun 1997 20:18:25 yearsecs  13292305
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.99  121.48  -52.49   70.59
    1.00  -63.71  136.48  -51.11   82.26
    2.00  -64.80  151.48  -50.73   93.51
    3.00  -65.87  166.48  -50.82  104.28
    4.00  -65.75  181.48  -50.14  114.39
    5.00  -66.85  196.48  -51.24  124.44
    6.00  -67.09  211.48  -52.07  134.19
    7.00  -67.03  226.48  -53.17  144.04
    8.00  -67.71  241.48  -55.43  153.65
    9.00  -67.77  256.48  -57.50  163.67
   10.00  -67.26  271.48  -59.44  174.45
   11.00  -66.80  286.48  -61.84  185.68
   12.00  -66.65  301.48  -64.96  197.11
   13.00  -66.75  316.48  -68.69  209.20
   14.00  -67.09  331.48  -72.78  222.93
   15.00  -67.66  346.48  -76.95  240.21
   16.00  -68.45    1.48  -80.77  265.63
   17.00  -69.28   16.48  -82.85  307.28
   18.00  -68.83   31.48  -80.35  347.95
   19.00  -67.70   46.48  -75.37   10.08
   20.00  -66.93   61.48  -70.38   25.48
   21.00  -66.14   76.48  -65.53   38.01
   22.00  -64.60   91.48  -60.21   48.37
   23.00  -63.31  106.48  -55.58   59.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.99  121.48  -57.66   75.56
    1.00  -69.40  136.48  -56.95   86.74
    2.00  -70.69  151.48  -56.72   97.05
    3.00  -74.65  166.48  -59.68  108.10
    4.00  -77.39  181.48  -61.92  116.97
    5.00  -78.02  196.48  -62.47  124.27
    6.00  -77.37  211.48  -62.17  131.62
    7.00  -76.80  226.48  -62.44  139.30
    8.00  -77.45  241.48  -64.31  146.11
    9.00  -77.26  256.48  -65.78  153.53
   10.00  -77.60  271.48  -68.06  159.97
   11.00  -77.15  286.48  -70.10  167.71
   12.00  -76.98  301.48  -72.72  174.79
   13.00  -76.57  316.48  -75.56  182.64
   14.00  -76.46  331.48  -78.86  189.40
   15.00  -75.92  346.48  -82.29  199.09
   16.00  -75.90    1.48  -86.11  205.71
   17.00  -74.95   16.48  -89.08  311.80
   18.00  -74.92   31.48  -85.52   29.38
   19.00  -74.37   46.48  -81.06   38.96
   20.00  -73.48   61.48  -76.35   45.75
   21.00  -71.31   76.48  -70.63   49.65
   22.00  -69.60   91.48  -65.34   56.84
   23.00  -68.31  106.48  -60.76   65.54
</PRE>


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