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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>
30 Apr 1997 20:31:01 yearsecs  10355461
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.41  119.76  -52.16   68.72
    1.00  -63.57  134.76  -51.17   80.92
    2.00  -64.67  149.76  -50.75   92.24
    3.00  -66.33  164.76  -51.38  103.29
    4.00  -66.15  179.76  -50.59  113.31
    5.00  -67.11  194.76  -51.47  123.31
    6.00  -67.24  209.76  -52.12  133.04
    7.00  -67.09  224.76  -53.07  142.88
    8.00  -67.75  239.76  -55.26  152.48
    9.00  -67.39  254.76  -56.91  162.80
   10.00  -66.98  269.76  -58.90  173.53
   11.00  -66.79  284.76  -61.49  184.44
   12.00  -66.82  299.76  -64.72  195.52
   13.00  -67.08  314.76  -68.54  207.11
   14.00  -67.57  329.76  -72.74  220.05
   15.00  -68.27  344.76  -77.07  236.00
   16.00  -69.20  359.76  -81.19  259.25
   17.00  -70.07   14.76  -83.75  301.09
   18.00  -69.95   29.76  -81.90  347.60
   19.00  -69.41   44.76  -77.60   12.77
   20.00  -68.36   59.76  -72.36   27.17
   21.00  -66.75   74.76  -66.63   37.66
   22.00  -64.73   89.76  -60.75   47.10
   23.00  -63.10  104.76  -55.69   57.41
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.41  119.76  -57.36   73.74
    1.00  -68.57  134.76  -56.32   84.90
    2.00  -69.67  149.76  -55.84   95.29
    3.00  -74.18  164.76  -59.29  106.90
    4.00  -76.85  179.76  -61.40  115.95
    5.00  -77.27  194.76  -61.69  123.45
    6.00  -76.42  209.76  -61.15  131.07
    7.00  -75.67  224.76  -61.22  139.11
    8.00  -76.18  239.76  -62.97  146.49
    9.00  -75.71  254.76  -64.23  154.71
   10.00  -75.76  269.76  -66.35  162.39
   11.00  -75.66  284.76  -68.73  170.21
   12.00  -75.78  299.76  -71.64  177.39
   13.00  -75.53  314.76  -74.64  185.59
   14.00  -75.60  329.76  -78.11  192.86
   15.00  -75.27  344.76  -81.65  202.91
   16.00  -75.55  359.76  -85.60  209.77
   17.00  -75.07   14.76  -89.14  278.60
   18.00  -75.43   29.76  -86.18   34.94
   19.00  -75.12   44.76  -81.90   42.91
   20.00  -73.99   59.76  -77.17   46.74
   21.00  -71.75   74.76  -71.45   49.56
   22.00  -69.73   89.76  -65.87   55.82
   23.00  -68.10  104.76  -60.91   63.99
</PRE>


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