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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 Aug 1997 14:03:40 yearsecs  20268220
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.11  226.28  -49.48  145.25
    1.00  -64.62  241.28  -52.58  155.21
    2.00  -65.71  256.28  -55.63  165.12
    3.00  -68.24  271.28  -60.26  173.29
    4.00  -67.93  286.28  -62.78  184.07
    5.00  -68.65  301.28  -66.62  193.73
    6.00  -68.68  316.28  -70.24  205.25
    7.00  -69.07  331.28  -74.35  217.86
    8.00  -69.91  346.28  -78.78  232.74
    9.00  -70.04    1.28  -82.25  259.63
   10.00  -69.65   16.28  -83.27  306.60
   11.00  -69.31   31.28  -80.91  348.97
   12.00  -69.22   46.28  -76.98   14.19
   13.00  -69.35   61.28  -72.92   31.37
   14.00  -69.71   76.28  -69.22   45.44
   15.00  -70.30   91.28  -66.05   58.07
   16.00  -70.88  106.28  -63.31   69.29
   17.00  -70.64  121.28  -60.34   78.49
   18.00  -70.68  136.28  -58.26   87.78
   19.00  -70.29  151.28  -56.33   96.66
   20.00  -69.60  166.28  -54.60  105.61
   21.00  -68.93  181.28  -53.34  114.86
   22.00  -66.13  196.28  -50.52  124.30
   23.00  -64.33  211.28  -49.39  134.53
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.11  226.28  -54.17  143.50
    1.00  -69.62  241.28  -57.14  152.35
    2.00  -70.71  256.28  -60.07  160.97
    3.00  -76.83  271.28  -67.43  161.32
    4.00  -79.05  286.28  -71.32  162.84
    5.00  -79.57  301.28  -74.04  166.32
    6.00  -78.90  316.28  -76.47  173.06
    7.00  -77.99  331.28  -79.25  181.06
    8.00  -77.93  346.28  -82.49  182.90
    9.00  -77.82    1.28  -85.76  176.79
   10.00  -77.52   16.28  -88.13  123.31
   11.00  -77.43   31.28  -85.74   66.36
   12.00  -77.58   46.28  -82.11   62.98
   13.00  -77.22   61.28  -78.39   63.57
   14.00  -76.88   76.28  -74.70   67.56
   15.00  -76.47   91.28  -71.18   72.82
   16.00  -76.11  106.28  -67.98   79.02
   17.00  -75.64  121.28  -65.10   85.53
   18.00  -76.45  136.28  -63.92   94.10
   19.00  -76.94  151.28  -62.96  101.94
   20.00  -76.14  166.28  -61.19  108.82
   21.00  -74.16  181.28  -58.62  116.01
   22.00  -71.13  196.28  -55.49  124.30
   23.00  -69.33  211.28  -54.22  133.64
</PRE>


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