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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>
26 Aug 1997 16:49:16 yearsecs  20537356
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.83  181.31  -47.22  113.76
    1.00  -64.50  196.31  -48.91  124.31
    2.00  -65.68  211.31  -50.70  134.32
    3.00  -68.91  226.31  -54.92  143.20
    4.00  -68.60  241.31  -56.22  153.01
    5.00  -69.29  256.31  -58.82  162.27
    6.00  -69.33  271.31  -61.20  172.10
    7.00  -69.80  286.31  -64.37  181.46
    8.00  -70.97  301.31  -68.50  189.47
    9.00  -71.60  316.31  -72.48  198.41
   10.00  -71.83  331.31  -76.37  209.39
   11.00  -71.06  346.31  -79.66  228.16
   12.00  -70.74    1.31  -82.89  256.54
   13.00  -70.73   16.31  -84.47  306.55
   14.00  -71.01   31.31  -82.62  355.63
   15.00  -71.55   46.31  -79.13   23.17
   16.00  -71.62   61.31  -74.97   38.52
   17.00  -71.14   76.31  -70.52   49.06
   18.00  -71.86   91.31  -67.46   61.32
   19.00  -71.13  106.31  -63.54   69.72
   20.00  -70.39  121.31  -60.09   78.21
   21.00  -68.89  136.31  -56.46   86.18
   22.00  -65.74  151.31  -51.71   93.90
   23.00  -64.00  166.31  -48.94  103.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.83  181.31  -52.24  114.66
    1.00  -69.50  196.31  -53.86  124.33
    2.00  -70.68  211.31  -55.55  133.37
    3.00  -77.03  226.31  -62.65  139.07
    4.00  -79.27  241.31  -65.94  144.02
    5.00  -79.84  256.31  -67.92  149.47
    6.00  -79.26  271.31  -69.28  156.57
    7.00  -78.33  286.31  -70.86  164.73
    8.00  -78.47  301.31  -73.51  170.04
    9.00  -78.53  316.31  -76.35  174.68
   10.00  -78.42  331.31  -79.33  178.66
   11.00  -78.27  346.31  -82.47  180.15
   12.00  -78.34    1.31  -85.52  170.20
   13.00  -77.93   16.31  -87.69  123.42
   14.00  -77.51   31.31  -85.70   67.50
   15.00  -77.08   46.31  -82.05   58.97
   16.00  -76.62   61.31  -78.15   60.39
   17.00  -76.14   76.31  -74.28   64.81
   18.00  -76.86   91.31  -71.44   73.94
   19.00  -76.41  106.31  -68.23   79.68
   20.00  -75.81  121.31  -65.25   85.81
   21.00  -73.89  136.31  -61.44   91.06
   22.00  -70.74  151.31  -56.78   96.97
   23.00  -69.00  166.31  -53.99  105.38
</PRE>


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