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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>
09 Aug 1997 15:12:34 yearsecs  19062754
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.21  211.23  -47.34  134.82
    1.00  -62.87  226.23  -49.24  145.29
    2.00  -63.54  241.23  -51.58  155.72
    3.00  -64.21  256.23  -54.27  166.15
    4.00  -63.85  271.23  -56.38  177.50
    5.00  -65.19  286.23  -60.37  187.43
    6.00  -65.90  301.23  -64.25  198.02
    7.00  -66.20  316.23  -68.16  209.97
    8.00  -67.06  331.23  -72.69  222.75
    9.00  -66.24  346.23  -75.62  243.45
   10.00  -65.61    1.23  -77.91  271.57
   11.00  -65.26   16.23  -78.37  307.22
   12.00  -65.15   31.23  -76.27  340.32
   13.00  -65.29   46.23  -72.73    4.39
   14.00  -65.66   61.23  -69.04   22.55
   15.00  -66.26   76.23  -65.73   38.02
   16.00  -67.09   91.23  -62.91   52.13
   17.00  -68.15  106.23  -60.65   65.13
   18.00  -68.07  121.23  -57.78   75.47
   19.00  -67.25  136.23  -54.80   84.76
   20.00  -65.82  151.23  -51.80   93.89
   21.00  -64.82  166.23  -49.77  103.73
   22.00  -63.65  181.23  -48.05  113.85
   23.00  -62.59  196.23  -47.02  124.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.64  211.23  -55.50  133.33
    1.00  -71.77  226.23  -57.61  141.93
    2.00  -72.83  241.23  -60.06  150.08
    3.00  -73.86  256.23  -62.82  157.70
    4.00  -76.48  271.23  -67.14  161.91
    5.00  -77.58  286.23  -70.35  166.58
    6.00  -77.14  301.23  -72.76  174.21
    7.00  -76.50  316.23  -75.48  182.78
    8.00  -77.29  331.23  -79.06  184.92
    9.00  -77.17  346.23  -82.45  189.08
   10.00  -77.15    1.23  -85.96  186.32
   11.00  -76.91   16.23  -88.79  123.20
   12.00  -76.52   31.23  -85.91   52.80
   13.00  -76.34   46.23  -81.93   53.08
   14.00  -76.38   61.23  -78.07   59.09
   15.00  -75.87   76.23  -74.13   63.79
   16.00  -75.66   91.23  -70.60   70.53
   17.00  -74.07  106.23  -66.25   74.86
   18.00  -73.76  121.23  -63.37   82.63
   19.00  -74.36  136.23  -61.91   91.55
   20.00  -73.39  151.23  -59.45   98.86
   21.00  -71.87  166.23  -56.89  106.58
   22.00  -71.34  181.23  -55.78  115.33
   23.00  -70.51  196.23  -54.87  124.28
</PRE>


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