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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>
01 Apr 1997 22:59:25 yearsecs   7858765
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.32   86.80  -63.16   47.21
    1.00  -66.35  101.80  -59.76   59.28
    2.00  -67.11  116.80  -57.56   71.33
    3.00  -67.85  131.80  -55.97   82.33
    4.00  -67.41  146.80  -53.81   91.89
    5.00  -68.00  161.80  -53.25  102.05
    6.00  -67.86  176.80  -52.39  111.75
    7.00  -68.15  191.80  -52.47  121.45
    8.00  -69.18  206.80  -53.86  130.87
    9.00  -69.61  221.80  -55.21  140.11
   10.00  -69.43  236.80  -56.46  149.62
   11.00  -69.16  251.80  -58.07  159.45
   12.00  -69.13  266.80  -60.29  169.33
   13.00  -69.35  281.80  -63.11  179.08
   14.00  -69.79  296.80  -66.56  188.59
   15.00  -70.47  311.80  -70.55  197.87
   16.00  -71.12  326.80  -74.74  207.87
   17.00  -71.24  341.80  -78.65  221.91
   18.00  -71.39  356.80  -82.47  243.22
   19.00  -70.74   11.80  -84.37  289.23
   20.00  -69.91   26.80  -82.43  339.95
   21.00  -69.11   41.80  -78.10    7.51
   22.00  -68.47   56.80  -73.29   24.39
   23.00  -67.54   71.80  -68.24   36.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.72   86.80  -68.41   57.99
    1.00  -72.82  101.80  -66.02   69.91
    2.00  -73.58  116.80  -63.91   79.90
    3.00  -78.82  131.80  -66.62   95.51
    4.00  -80.63  146.80  -66.88  104.23
    5.00  -81.02  161.80  -66.31  110.45
    6.00  -80.37  176.80  -65.08  116.00
    7.00  -79.41  191.80  -63.88  122.16
    8.00  -79.47  206.80  -64.14  128.78
    9.00  -79.46  221.80  -64.74  135.36
   10.00  -79.31  236.80  -65.60  142.03
   11.00  -79.30  251.80  -66.98  148.48
   12.00  -79.54  266.80  -68.91  154.20
   13.00  -79.36  281.80  -70.83  160.37
   14.00  -79.18  296.80  -73.09  166.20
   15.00  -79.00  311.80  -75.66  171.46
   16.00  -78.82  326.80  -78.49  175.73
   17.00  -78.63  341.80  -81.51  177.91
   18.00  -79.66  356.80  -84.02  162.13
   19.00  -79.92   11.80  -85.46  134.70
   20.00  -79.17   26.80  -85.56   94.77
   21.00  -77.42   41.80  -83.20   61.77
   22.00  -74.69   56.80  -78.39   48.12
   23.00  -72.99   71.80  -73.23   51.23
</PRE>


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