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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 Jul 1997 19:45:24 yearsecs  15709524
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.48  131.17  -51.55   78.24
    1.00  -64.76  146.17  -51.17   89.79
    2.00  -65.64  161.17  -50.89  100.57
    3.00  -67.20  176.17  -51.75  111.17
    4.00  -67.00  191.17  -51.33  120.97
    5.00  -67.91  206.17  -52.58  130.64
    6.00  -68.13  221.17  -53.75  140.20
    7.00  -68.87  236.17  -55.88  149.52
    8.00  -70.43  251.17  -59.12  158.00
    9.00  -71.57  266.17  -62.29  166.20
   10.00  -72.13  281.17  -65.32  174.61
   11.00  -70.91  296.17  -67.32  186.16
   12.00  -70.21  311.17  -70.19  197.98
   13.00  -69.90  326.17  -73.68  210.81
   14.00  -69.94  341.17  -77.53  226.04
   15.00  -70.30  356.17  -81.43  247.32
   16.00  -70.72   11.17  -84.30  286.93
   17.00  -70.64   26.17  -83.32  340.67
   18.00  -70.62   41.17  -79.73   12.11
   19.00  -69.79   56.17  -74.77   27.56
   20.00  -68.78   71.17  -69.67   38.92
   21.00  -67.82   86.17  -64.86   49.37
   22.00  -67.00  101.17  -60.55   59.72
   23.00  -64.99  116.17  -55.49   68.53
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.48  131.17  -56.70   82.49
    1.00  -69.76  146.17  -56.26   93.11
    2.00  -70.64  161.17  -55.94  102.92
    3.00  -76.81  176.17  -61.46  114.14
    4.00  -78.93  191.17  -63.39  121.83
    5.00  -79.38  206.17  -64.03  128.52
    6.00  -78.60  221.17  -63.86  135.62
    7.00  -77.44  236.17  -63.81  143.56
    8.00  -77.50  251.17  -65.36  150.67
    9.00  -77.47  266.17  -67.21  157.76
   10.00  -77.22  281.17  -69.26  165.16
   11.00  -77.25  296.17  -71.88  171.71
   12.00  -77.57  311.17  -74.93  176.78
   13.00  -77.37  326.17  -77.98  182.90
   14.00  -77.18  341.17  -81.28  188.20
   15.00  -76.98  356.17  -84.79  190.88
   16.00  -76.78   11.17  -88.33  172.45
   17.00  -76.57   26.17  -87.21   56.87
   18.00  -77.80   41.17  -83.33   65.43
   19.00  -78.12   56.17  -79.83   67.64
   20.00  -77.24   71.17  -76.06   67.04
   21.00  -75.20   86.17  -71.37   66.63
   22.00  -72.00  101.17  -65.40   67.95
   23.00  -69.99  116.17  -60.57   74.41
</PRE>


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