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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>
23 Jul 1997 11:53:08 yearsecs  17581988
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.43  256.68  -49.93  169.49
    1.00  -60.77  271.68  -53.67  180.36
    2.00  -61.63  286.68  -57.26  191.56
    3.00  -68.02  301.68  -66.18  195.08
    4.00  -67.57  316.68  -69.43  207.83
    5.00  -68.15  331.68  -73.71  220.67
    6.00  -67.91  346.68  -77.22  239.82
    7.00  -68.58    1.68  -80.94  265.71
    8.00  -69.19   16.68  -82.75  307.95
    9.00  -69.52   31.68  -81.03  350.51
   10.00  -69.31   46.68  -76.96   15.01
   11.00  -69.11   61.68  -72.57   31.08
   12.00  -69.13   76.68  -68.56   44.41
   13.00  -69.38   91.68  -65.08   56.57
   14.00  -69.86  106.68  -62.24   67.95
   15.00  -70.27  121.68  -59.91   78.29
   16.00  -70.12  136.68  -57.65   87.51
   17.00  -69.90  151.68  -55.90   96.64
   18.00  -71.16  166.68  -56.15  106.53
   19.00  -70.89  181.68  -55.31  115.51
   20.00  -70.09  196.68  -54.46  124.55
   21.00  -67.78  211.68  -52.74  134.19
   22.00  -63.90  226.68  -50.26  145.28
   23.00  -61.38  241.68  -49.62  157.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.43  256.68  -54.54  166.32
    1.00  -65.77  271.68  -58.16  176.08
    2.00  -66.63  286.68  -61.73  186.04
    3.00  -73.92  301.68  -70.78  183.19
    4.00  -76.02  316.68  -75.33  184.78
    5.00  -76.91  331.68  -79.05  187.08
    6.00  -76.13  346.68  -82.39  197.53
    7.00  -74.91    1.68  -85.91  220.75
    8.00  -75.15   16.68  -89.29  318.38
    9.00  -75.28   31.68  -85.60   34.55
   10.00  -75.10   46.68  -81.36   44.05
   11.00  -75.28   61.68  -77.42   53.89
   12.00  -75.72   76.68  -73.93   63.44
   13.00  -75.57   91.68  -70.43   70.51
   14.00  -75.42  106.68  -67.33   77.77
   15.00  -75.27  121.68  -64.70   85.14
   16.00  -75.12  136.68  -62.60   92.67
   17.00  -74.90  151.68  -60.91  100.32
   18.00  -76.16  166.68  -61.19  109.04
   19.00  -76.41  181.68  -60.90  116.79
   20.00  -75.27  196.68  -59.67  124.46
   21.00  -72.78  211.68  -57.62  133.10
   22.00  -68.90  226.68  -54.95  143.45
   23.00  -66.38  241.68  -54.25  154.55
</PRE>


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