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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>
18 Feb 1997 21:18:16 yearsecs   4223896
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.34  117.06  -56.73   70.65
    1.00  -66.29  132.06  -54.34   81.14
    2.00  -67.05  147.06  -53.42   91.82
    3.00  -67.80  162.06  -53.03  102.12
    4.00  -67.36  177.06  -51.88  111.79
    5.00  -67.95  192.06  -52.27  121.60
    6.00  -67.79  207.06  -52.51  131.22
    7.00  -68.00  222.06  -53.69  140.81
    8.00  -68.95  237.06  -56.05  150.05
    9.00  -69.26  252.06  -58.19  159.54
   10.00  -69.04  267.06  -60.25  169.59
   11.00  -68.85  282.06  -62.74  179.91
   12.00  -68.88  297.06  -65.86  190.29
   13.00  -69.14  312.06  -69.57  200.91
   14.00  -69.63  327.06  -73.70  212.33
   15.00  -70.33  342.06  -78.05  225.71
   16.00  -71.03  357.06  -82.24  245.63
   17.00  -71.23   12.06  -84.91  288.90
   18.00  -71.36   27.06  -83.89  346.41
   19.00  -70.74   42.06  -79.60   13.95
   20.00  -69.91   57.06  -74.64   28.85
   21.00  -69.11   72.06  -69.76   40.49
   22.00  -68.45   87.06  -65.27   51.27
   23.00  -67.53  102.06  -60.90   61.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.00  117.06  -62.36   77.69
    1.00  -73.07  132.06  -61.16   87.78
    2.00  -73.83  147.06  -60.26   96.90
    3.00  -78.89  162.06  -64.18  108.69
    4.00  -80.70  177.06  -65.41  116.26
    5.00  -81.07  192.06  -65.60  122.40
    6.00  -80.44  207.06  -65.14  128.59
    7.00  -79.53  222.06  -64.82  135.42
    8.00  -79.62  237.06  -65.91  141.80
    9.00  -79.59  252.06  -67.26  148.13
   10.00  -79.40  267.06  -68.83  154.58
   11.00  -79.47  282.06  -70.94  160.18
   12.00  -79.65  297.06  -73.37  164.76
   13.00  -79.47  312.06  -75.87  169.63
   14.00  -79.30  327.06  -78.62  173.21
   15.00  -79.12  342.06  -81.53  174.38
   16.00  -78.97  357.06  -84.43  168.27
   17.00  -78.77   12.06  -86.65  139.31
   18.00  -79.73   27.06  -85.05   98.90
   19.00  -79.93   42.06  -82.59   83.53
   20.00  -79.16   57.06  -79.74   74.22
   21.00  -77.44   72.06  -75.95   68.23
   22.00  -74.83   87.06  -70.89   66.06
   23.00  -73.18  102.06  -66.29   70.76
</PRE>


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