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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>
07 Oct 1997 11:41:04 yearsecs  24147664
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.62  252.50  -52.27  164.43
    1.00  -63.73  267.50  -55.64  174.80
    2.00  -64.76  282.50  -59.26  185.09
    3.00  -65.97  297.50  -63.47  195.02
    4.00  -65.77  312.50  -66.85  207.46
    5.00  -66.80  327.50  -71.52  219.43
    6.00  -66.97  342.50  -75.40  236.43
    7.00  -66.85  357.50  -78.53  261.31
    8.00  -67.49   12.50  -80.88  296.36
    9.00  -67.08   27.50  -79.20  335.38
   10.00  -66.67   42.50  -75.30    2.00
   11.00  -66.48   57.50  -70.98   20.32
   12.00  -66.51   72.50  -66.97   35.16
   13.00  -66.77   87.50  -63.46   48.56
   14.00  -67.25  102.50  -60.53   61.10
   15.00  -67.96  117.50  -58.31   72.80
   16.00  -68.89  132.50  -56.94   83.74
   17.00  -69.89  147.50  -56.27   94.04
   18.00  -69.72  162.50  -54.93  103.29
   19.00  -69.15  177.50  -53.67  112.52
   20.00  -68.05  192.50  -52.37  121.89
   21.00  -66.86  207.50  -51.63  131.63
   22.00  -64.91  222.50  -50.81  142.06
   23.00  -63.29  237.50  -50.88  153.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.62  252.50  -56.80  161.09
    1.00  -68.73  267.50  -60.05  170.21
    2.00  -69.76  282.50  -63.60  178.97
    3.00  -73.62  297.50  -69.68  181.50
    4.00  -75.92  312.50  -74.37  183.15
    5.00  -77.04  327.50  -78.16  184.99
    6.00  -76.41  342.50  -81.44  193.91
    7.00  -75.88  357.50  -85.07  204.38
    8.00  -76.70   12.50  -88.64  166.81
    9.00  -76.47   27.50  -86.89   53.54
   10.00  -76.80   42.50  -82.99   56.06
   11.00  -76.57   57.50  -79.09   58.65
   12.00  -76.60   72.50  -75.43   64.86
   13.00  -76.38   87.50  -71.91   70.79
   14.00  -76.46  102.50  -68.96   78.01
   15.00  -76.13  117.50  -66.12   84.49
   16.00  -76.32  132.50  -64.23   92.08
   17.00  -75.53  147.50  -61.89   98.69
   18.00  -75.62  162.50  -60.87  106.55
   19.00  -75.39  177.50  -59.98  114.32
   20.00  -74.24  192.50  -58.59  122.19
   21.00  -71.86  207.50  -56.53  130.87
   22.00  -69.91  222.50  -55.54  140.43
   23.00  -68.29  237.50  -55.49  150.70
</PRE>


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