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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 16:13:49 yearsecs   7834429
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.06  191.30  -49.39  120.93
    1.00  -65.27  206.30  -50.02  131.02
    2.00  -66.26  221.30  -51.98  140.86
    3.00  -67.25  236.30  -54.41  150.46
    4.00  -67.07  251.30  -56.14  160.68
    5.00  -68.00  266.30  -59.22  170.14
    6.00  -68.26  281.30  -62.09  180.16
    7.00  -69.04  296.30  -65.82  189.50
    8.00  -70.66  311.30  -70.57  197.08
    9.00  -71.87  326.30  -75.14  205.14
   10.00  -71.72  341.30  -78.85  219.36
   11.00  -70.63  356.30  -81.74  246.09
   12.00  -69.98   11.30  -83.53  289.16
   13.00  -69.71   26.30  -82.31  338.00
   14.00  -69.79   41.30  -78.91    9.06
   15.00  -70.18   56.30  -75.10   28.94
   16.00  -70.61   71.30  -71.37   43.72
   17.00  -70.54   86.30  -67.47   54.99
   18.00  -70.53  101.30  -64.01   65.42
   19.00  -69.71  116.30  -60.27   74.14
   20.00  -68.71  131.30  -56.91   82.79
   21.00  -67.75  146.30  -54.20   91.78
   22.00  -67.06  161.30  -52.32  101.29
   23.00  -66.20  176.30  -50.74  111.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.89  191.30  -59.26  121.58
    1.00  -76.02  206.30  -60.63  129.40
    2.00  -76.85  221.30  -62.15  136.69
    3.00  -81.21  236.30  -67.32  139.68
    4.00  -82.78  251.30  -69.83  142.42
    5.00  -83.23  266.30  -71.49  145.64
    6.00  -82.93  281.30  -72.85  150.08
    7.00  -82.44  296.30  -74.44  154.72
    8.00  -82.73  311.30  -76.45  155.23
    9.00  -82.99  326.30  -78.36  153.42
   10.00  -83.16  341.30  -80.03  148.78
   11.00  -82.95  356.30  -81.57  141.77
   12.00  -82.84   11.30  -82.42  128.98
   13.00  -82.46   26.30  -82.54  112.94
   14.00  -82.11   41.30  -81.51   98.56
   15.00  -81.76   56.30  -79.59   90.04
   16.00  -81.43   71.30  -77.21   86.77
   17.00  -81.10   86.30  -74.67   86.92
   18.00  -81.76  101.30  -72.73   92.34
   19.00  -81.83  116.30  -70.88   96.36
   20.00  -81.08  131.30  -68.66   99.33
   21.00  -79.49  146.30  -65.84  102.52
   22.00  -77.04  161.30  -62.37  106.92
   23.00  -75.74  176.30  -60.37  113.81
</PRE>


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