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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
26 Aug 1997 11:46:00 yearsecs  20519160
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.09  256.57  -48.65  170.16
    1.00  -59.56  271.57  -52.53  181.17
    2.00  -60.52  286.57  -56.22  192.52
    3.00  -68.12  301.57  -66.24  194.84
    4.00  -67.90  316.57  -69.67  207.08
    5.00  -68.73  331.57  -74.15  219.06
    6.00  -69.01  346.57  -78.12  236.28
    7.00  -69.01    1.57  -81.33  264.11
    8.00  -69.41   16.57  -83.00  307.57
    9.00  -69.52   31.57  -81.06  350.26
   10.00  -69.28   46.57  -76.97   14.78
   11.00  -68.94   61.57  -72.44   30.52
   12.00  -68.81   76.57  -68.28   43.59
   13.00  -68.93   91.57  -64.67   55.64
   14.00  -69.30  106.57  -61.72   67.03
   15.00  -69.34  121.57  -59.00   77.12
   16.00  -69.15  136.57  -56.69   86.58
   17.00  -68.91  151.57  -54.91   95.94
   18.00  -70.30  166.57  -55.29  106.08
   19.00  -70.04  181.57  -54.46  115.26
   20.00  -69.28  196.57  -53.65  124.49
   21.00  -66.81  211.57  -51.80  134.30
   22.00  -62.73  226.57  -49.14  145.58
   23.00  -60.11  241.57  -48.40  157.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.09  256.57  -53.31  167.15
    1.00  -64.56  271.57  -57.07  177.12
    2.00  -65.52  286.57  -60.73  187.30
    3.00  -73.22  301.57  -70.25  184.80
    4.00  -75.36  316.57  -74.95  187.11
    5.00  -76.34  331.57  -78.83  190.06
    6.00  -75.52  346.57  -82.19  202.13
    7.00  -74.20    1.57  -85.56  229.84
    8.00  -74.41   16.57  -88.49  310.42
    9.00  -74.52   31.57  -85.31   24.43
   10.00  -74.28   46.57  -80.99   38.45
   11.00  -74.45   61.57  -76.97   50.00
   12.00  -74.89   76.57  -73.41   60.50
   13.00  -74.71   91.57  -69.79   68.19
   14.00  -74.52  106.57  -66.58   75.91
   15.00  -74.34  121.57  -63.86   83.66
   16.00  -74.15  136.57  -61.67   91.50
   17.00  -73.91  151.57  -59.94   99.46
   18.00  -75.30  166.57  -60.33  108.49
   19.00  -75.59  181.57  -60.08  116.52
   20.00  -74.42  196.57  -58.81  124.42
   21.00  -71.81  211.57  -56.66  133.27
   22.00  -67.73  226.57  -53.84  143.84
   23.00  -65.11  241.57  -53.07  155.16
</PRE>


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