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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>
26 May 1997 15:13:11 yearsecs  12582791
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.54  209.74  -42.70  134.35
    1.00  -57.71  224.74  -44.12  145.69
    2.00  -57.83  239.74  -45.97  157.15
    3.00  -57.92  254.74  -48.19  168.81
    4.00  -57.94  269.74  -50.71  180.82
    5.00  -58.32  284.74  -53.82  192.93
    6.00  -59.83  299.74  -58.38  204.23
    7.00  -60.90  314.74  -62.98  216.44
    8.00  -59.57  329.74  -65.42  233.49
    9.00  -59.66  344.74  -68.94  252.22
   10.00  -59.95  359.75  -71.82  276.02
   11.00  -60.29   14.74  -72.80  305.23
   12.00  -60.73   29.74  -71.24  333.72
   13.00  -61.31   44.74  -68.23  356.47
   14.00  -62.05   59.74  -65.09   14.77
   15.00  -62.95   74.74  -62.33   30.93
   16.00  -64.03   89.74  -59.99   46.03
   17.00  -65.30  104.74  -58.04   60.14
   18.00  -65.64  119.74  -55.54   71.84
   19.00  -64.40  134.74  -52.04   81.52
   20.00  -62.89  149.74  -48.92   91.27
   21.00  -61.67  164.74  -46.64  101.58
   22.00  -59.78  179.74  -44.17  112.10
   23.00  -58.58  194.74  -43.02  123.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.06  209.74  -58.80  131.68
    1.00  -74.90  224.74  -60.48  139.52
    2.00  -75.69  239.74  -62.53  146.91
    3.00  -76.14  254.74  -64.60  154.17
    4.00  -76.82  269.74  -67.20  160.58
    5.00  -77.94  284.74  -70.35  165.06
    6.00  -78.27  299.74  -73.12  170.12
    7.00  -77.58  314.74  -75.66  178.06
    8.00  -77.68  329.74  -78.84  182.37
    9.00  -77.75  344.74  -82.15  184.41
   10.00  -77.47  359.75  -85.54  183.05
   11.00  -77.11   14.74  -88.54  137.89
   12.00  -76.86   29.74  -86.25   58.94
   13.00  -76.64   44.74  -82.38   55.07
   14.00  -76.59   59.74  -78.53   59.61
   15.00  -76.38   74.74  -74.79   65.00
   16.00  -76.62   89.74  -71.60   72.56
   17.00  -76.76  104.74  -68.78   79.72
   18.00  -76.37  119.74  -66.00   86.00
   19.00  -75.51  134.74  -63.20   92.14
   20.00  -75.17  149.74  -61.35   99.53
   21.00  -74.50  164.74  -59.62  107.07
   22.00  -74.63  179.74  -59.14  115.28
   23.00  -73.91  194.74  -58.27  123.42
</PRE>


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