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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>
12 Jun 1997 15:10:47 yearsecs  14051447
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.23  211.50  -48.34  134.85
    1.00  -63.63  226.50  -49.98  145.24
    2.00  -64.23  241.50  -52.25  155.57
    3.00  -64.81  256.50  -54.86  165.92
    4.00  -64.53  271.50  -57.03  177.10
    5.00  -65.77  286.50  -60.94  186.95
    6.00  -66.05  301.50  -64.44  198.02
    7.00  -65.77  316.50  -67.85  210.96
    8.00  -65.69  331.50  -71.58  225.91
    9.00  -66.83  346.50  -76.22  242.43
   10.00  -65.94    1.50  -78.28  271.54
   11.00  -65.71   16.50  -78.87  307.81
   12.00  -65.71   31.50  -76.86  341.61
   13.00  -65.93   46.50  -73.40    6.02
   14.00  -66.38   61.50  -69.77   24.31
   15.00  -67.05   76.50  -66.50   39.80
   16.00  -67.95   91.50  -63.71   53.82
   17.00  -69.05  106.50  -61.49   66.62
   18.00  -68.93  121.50  -58.60   76.61
   19.00  -68.36  136.50  -55.89   85.85
   20.00  -67.06  151.50  -53.04   94.78
   21.00  -65.95  166.50  -50.90  104.32
   22.00  -64.81  181.50  -49.21  114.24
   23.00  -63.68  196.50  -48.11  124.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.59  211.50  -54.49  133.72
    1.00  -70.83  226.50  -56.75  142.51
    2.00  -71.89  241.50  -59.23  150.94
    3.00  -73.36  256.50  -62.41  158.41
    4.00  -76.29  271.50  -67.04  162.38
    5.00  -77.29  286.50  -70.20  167.40
    6.00  -76.53  301.50  -72.45  176.14
    7.00  -75.73  316.50  -75.14  185.75
    8.00  -76.40  331.50  -78.84  189.74
    9.00  -76.40  346.50  -82.40  195.31
   10.00  -76.58    1.50  -86.12  194.84
   11.00  -76.45   16.50  -89.29  116.48
   12.00  -76.13   31.50  -85.83   46.86
   13.00  -75.98   46.50  -81.75   50.39
   14.00  -76.18   61.50  -77.91   58.20
   15.00  -75.77   76.50  -74.00   63.55
   16.00  -75.67   91.50  -70.55   70.69
   17.00  -74.10  106.50  -66.22   75.05
   18.00  -73.93  121.50  -63.48   83.02
   19.00  -74.66  136.50  -62.17   92.03
   20.00  -74.00  151.50  -60.03   99.49
   21.00  -71.80  166.50  -56.80  106.71
   22.00  -70.79  181.50  -55.22  115.38
   23.00  -69.81  196.50  -54.18  124.44
</PRE>


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