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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 Apr 1997 00:47:36 yearsecs   9247656
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.93   58.27  -67.82   16.22
    1.00  -63.80   73.27  -63.70   30.92
    2.00  -64.63   88.27  -60.99   45.69
    3.00  -65.46  103.27  -58.52   59.20
    4.00  -65.24  118.27  -55.38   70.35
    5.00  -66.35  133.27  -54.24   82.02
    6.00  -66.58  148.27  -52.83   92.34
    7.00  -66.44  163.27  -51.58  102.34
    8.00  -67.13  178.27  -51.61  112.53
    9.00  -66.66  193.27  -51.00  122.33
   10.00  -66.23  208.27  -51.06  132.22
   11.00  -66.04  223.27  -51.95  142.24
   12.00  -66.08  238.27  -53.55  152.38
   13.00  -66.33  253.27  -55.75  162.56
   14.00  -66.82  268.27  -58.50  172.65
   15.00  -67.52  283.27  -61.83  182.46
   16.00  -68.45  298.27  -65.77  191.87
   17.00  -69.50  313.27  -70.15  201.10
   18.00  -69.39  328.27  -73.83  214.08
   19.00  -68.78  343.27  -77.13  232.46
   20.00  -67.61  358.27  -79.40  260.95
   21.00  -66.56   13.27  -79.87  299.18
   22.00  -65.50   28.27  -77.26  334.90
   23.00  -64.51   43.27  -72.60  358.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.89   58.27  -78.11   50.02
    1.00  -75.91   73.27  -74.86   62.47
    2.00  -76.83   88.27  -72.05   72.53
    3.00  -79.03  103.27  -70.74   84.78
    4.00  -81.06  118.27  -70.08   95.01
    5.00  -81.68  133.27  -68.98  101.16
    6.00  -81.32  148.27  -67.42  105.73
    7.00  -81.07  163.27  -66.29  111.06
    8.00  -81.39  178.27  -66.08  117.08
    9.00  -81.05  193.27  -65.57  122.89
   10.00  -81.07  208.27  -65.81  128.87
   11.00  -80.78  223.27  -66.11  135.02
   12.00  -80.58  238.27  -66.88  141.21
   13.00  -80.31  253.27  -67.98  147.49
   14.00  -80.27  268.27  -69.64  153.24
   15.00  -79.90  283.27  -71.39  159.50
   16.00  -79.84  298.27  -73.67  164.48
   17.00  -78.99  313.27  -75.93  171.89
   18.00  -78.95  328.27  -78.80  175.26
   19.00  -79.02  343.27  -81.78  174.87
   20.00  -78.40  358.27  -84.91  173.07
   21.00  -76.84   13.27  -88.65  156.31
   22.00  -75.84   28.27  -86.68   41.18
   23.00  -75.04   43.27  -82.28   41.30
</PRE>


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