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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>
29 Apr 1997 17:21:10 yearsecs  10257670
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.49  170.57  -50.23  106.94
    1.00  -66.31  185.57  -50.64  117.21
    2.00  -67.07  200.57  -51.55  127.10
    3.00  -67.82  215.57  -53.04  136.69
    4.00  -67.39  230.57  -53.92  146.60
    5.00  -68.00  245.57  -56.21  156.19
    6.00  -67.88  260.57  -58.21  166.35
    7.00  -68.20  275.57  -60.97  176.28
    8.00  -69.27  290.57  -64.79  185.15
    9.00  -69.62  305.57  -68.40  195.10
   10.00  -69.56  320.57  -72.01  206.83
   11.00  -69.23  335.57  -75.57  221.88
   12.00  -69.17  350.57  -79.20  241.85
   13.00  -69.36    5.57  -82.29  273.25
   14.00  -69.78   20.57  -83.17  321.02
   15.00  -70.45   35.57  -81.05    1.98
   16.00  -71.09   50.57  -77.54   26.16
   17.00  -71.21   65.57  -73.44   40.77
   18.00  -71.35   80.57  -69.61   52.73
   19.00  -70.69   95.57  -65.42   61.82
   20.00  -69.86  110.57  -61.47   70.56
   21.00  -69.06  125.57  -58.09   79.42
   22.00  -68.41  140.57  -55.47   88.54
   23.00  -66.89  155.57  -52.54   97.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.49  170.57  -55.28  108.62
    1.00  -71.62  185.57  -55.98  117.97
    2.00  -72.37  200.57  -56.82  126.77
    3.00  -77.96  215.57  -62.94  133.35
    4.00  -79.87  230.57  -65.67  138.80
    5.00  -80.25  245.57  -67.20  144.53
    6.00  -79.51  260.57  -68.13  151.76
    7.00  -78.41  275.57  -69.26  160.13
    8.00  -78.42  290.57  -71.61  166.20
    9.00  -78.34  305.57  -74.22  172.00
   10.00  -78.05  320.57  -77.03  177.99
   11.00  -78.10  335.57  -80.18  181.18
   12.00  -78.45  350.57  -83.34  177.54
   13.00  -78.32    5.57  -86.28  162.82
   14.00  -78.18   20.57  -87.19  103.57
   15.00  -78.04   35.57  -84.58   70.38
   16.00  -77.89   50.57  -81.10   65.55
   17.00  -77.73   65.57  -77.55   67.50
   18.00  -78.88   80.57  -74.79   76.87
   19.00  -79.20   95.57  -72.15   82.61
   20.00  -78.42  110.57  -69.12   86.04
   21.00  -76.59  125.57  -65.36   89.14
   22.00  -73.72  140.57  -60.79   93.22
   23.00  -71.89  155.57  -57.59  100.29
</PRE>


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