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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>
03 Sep 1997 18:33:32 yearsecs  21234812
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.49  151.14  -48.39   92.07
    1.00  -63.03  166.14  -47.96  103.05
    2.00  -63.58  181.14  -47.97  113.77
    3.00  -64.12  196.14  -48.53  124.19
    4.00  -63.78  211.14  -48.85  134.51
    5.00  -65.08  226.14  -51.31  144.50
    6.00  -65.49  241.14  -53.36  154.66
    7.00  -65.42  256.14  -55.35  165.22
    8.00  -66.12  271.14  -58.37  175.36
    9.00  -65.48  286.14  -60.61  187.03
   10.00  -65.06  301.14  -63.49  199.13
   11.00  -64.87  316.14  -66.97  212.12
   12.00  -64.91  331.14  -70.79  227.02
   13.00  -65.17  346.14  -74.61  245.63
   14.00  -65.65    1.14  -77.93  271.31
   15.00  -66.36   16.14  -79.61  306.77
   16.00  -67.29   31.14  -78.73  343.59
   17.00  -67.36   46.14  -75.09    8.75
   18.00  -66.97   61.14  -70.52   25.24
   19.00  -67.37   76.14  -66.93   40.13
   20.00  -66.49   91.14  -62.30   51.05
   21.00  -64.84  106.14  -57.26   60.65
   22.00  -64.11  121.14  -53.72   71.37
   23.00  -62.94  136.14  -50.35   81.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.32  151.14  -54.35   95.30
    1.00  -69.75  166.14  -54.75  105.58
    2.00  -70.97  181.14  -55.40  115.19
    3.00  -72.22  196.14  -56.58  124.21
    4.00  -75.34  211.14  -60.13  132.09
    5.00  -76.54  226.14  -62.16  139.30
    6.00  -75.87  241.14  -62.83  147.48
    7.00  -75.10  256.14  -63.88  156.19
    8.00  -76.18  271.14  -66.89  162.39
    9.00  -75.79  286.14  -69.07  170.63
   10.00  -75.78  301.14  -71.92  178.07
   11.00  -75.50  316.14  -74.94  186.38
   12.00  -75.10  331.14  -78.22  195.94
   13.00  -74.91  346.14  -81.87  206.27
   14.00  -75.06    1.14  -85.83  217.89
   15.00  -74.53   16.14  -88.63  305.52
   16.00  -74.28   31.14  -85.31   20.95
   17.00  -72.36   46.14  -79.83   26.89
   18.00  -71.97   61.14  -75.30   39.64
   19.00  -72.37   76.14  -71.62   52.33
   20.00  -72.04   91.14  -67.67   61.62
   21.00  -69.84  106.14  -62.33   67.55
   22.00  -69.11  121.14  -58.85   76.58
   23.00  -68.29  136.14  -55.87   85.56
</PRE>


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