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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>
25 Feb 1997 19:54:05 yearsecs   4823645
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.76  136.93  -53.18   84.08
    1.00  -65.54  151.93  -51.46   94.22
    2.00  -66.44  166.93  -51.38  104.80
    3.00  -67.34  181.93  -51.73  114.98
    4.00  -67.00  196.93  -51.39  124.73
    5.00  -67.71  211.93  -52.70  134.37
    6.00  -67.65  226.93  -53.80  144.10
    7.00  -67.72  241.93  -55.50  153.94
    8.00  -68.56  256.93  -58.27  163.31
    9.00  -68.63  271.93  -60.71  173.31
   10.00  -68.34  286.93  -63.26  183.97
   11.00  -68.14  301.93  -66.34  195.07
   12.00  -68.18  316.93  -70.00  206.83
   13.00  -68.44  331.93  -74.01  220.19
   14.00  -68.92  346.93  -78.14  237.10
   15.00  -69.63    1.93  -81.98  262.82
   16.00  -70.41   16.93  -84.10  308.91
   17.00  -70.90   31.93  -82.37  356.56
   18.00  -70.88   46.93  -78.38   21.08
   19.00  -70.30   61.93  -73.64   34.77
   20.00  -69.40   76.93  -68.75   45.23
   21.00  -68.52   91.93  -64.18   55.18
   22.00  -67.75  106.93  -60.11   65.08
   23.00  -66.78  121.93  -56.35   74.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.76  136.93  -58.26   88.25
    1.00  -71.84  151.93  -57.83   98.11
    2.00  -72.70  166.93  -57.68  107.37
    3.00  -77.63  181.93  -62.15  117.26
    4.00  -79.67  196.93  -64.17  124.42
    5.00  -80.02  211.93  -64.86  130.80
    6.00  -79.32  226.93  -64.91  137.71
    7.00  -78.48  241.93  -65.29  145.21
    8.00  -78.68  256.93  -67.03  151.62
    9.00  -78.51  271.93  -68.81  158.38
   10.00  -78.43  286.93  -71.03  164.72
   11.00  -78.27  301.93  -73.52  170.92
   12.00  -78.49  316.93  -76.45  175.04
   13.00  -78.29  331.93  -79.44  179.48
   14.00  -78.21  346.93  -82.61  180.55
   15.00  -77.99    1.93  -85.81  173.61
   16.00  -78.02   16.93  -87.59  120.08
   17.00  -77.80   31.93  -85.47   70.65
   18.00  -78.58   46.93  -81.94   70.89
   19.00  -78.55   61.93  -78.60   71.04
   20.00  -77.66   76.93  -74.97   70.89
   21.00  -75.79   91.93  -70.55   71.24
   22.00  -73.38  106.93  -65.50   73.97
   23.00  -71.78  121.93  -61.35   80.33
</PRE>


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