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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>
20 Sep 1997 11:42:36 yearsecs  22678956
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.92  254.49  -47.19  169.13
    1.00  -57.31  269.49  -50.06  181.03
    2.00  -57.69  284.49  -53.18  193.24
    3.00  -58.07  299.49  -56.65  205.78
    4.00  -58.36  314.49  -60.47  219.16
    5.00  -59.15  329.49  -64.95  233.72
    6.00  -61.07  344.49  -70.30  250.05
    7.00  -62.23  359.50  -74.18  273.09
    8.00  -62.39   14.49  -75.20  304.05
    9.00  -61.75   29.49  -72.55  333.91
   10.00  -61.33   44.49  -68.33  356.16
   11.00  -61.14   59.49  -63.99   13.20
   12.00  -61.17   74.49  -60.21   28.05
   13.00  -61.43   89.49  -57.06   42.14
   14.00  -61.91  104.49  -54.45   55.79
   15.00  -62.62  119.49  -52.42   68.70
   16.00  -63.55  134.49  -51.19   80.71
   17.00  -64.70  149.49  -50.80   92.07
   18.00  -64.92  164.49  -49.97  102.57
   19.00  -63.58  179.49  -48.01  112.62
   20.00  -61.91  194.49  -46.31  122.99
   21.00  -60.72  209.49  -45.78  133.77
   22.00  -58.89  224.49  -45.25  145.18
   23.00  -57.80  239.49  -45.90  156.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.54  254.49  -58.78  160.87
    1.00  -70.47  269.49  -61.88  169.59
    2.00  -71.35  284.49  -65.30  177.90
    3.00  -71.80  299.49  -68.74  186.61
    4.00  -72.60  314.49  -72.75  194.45
    5.00  -73.92  329.49  -77.20  200.09
    6.00  -73.85  344.49  -80.95  211.80
    7.00  -73.27  359.50  -84.48  235.39
    8.00  -73.37   14.49  -87.33  294.11
    9.00  -73.80   29.49  -85.44   12.06
   10.00  -73.33   44.49  -80.99   30.49
   11.00  -73.03   59.49  -76.57   42.37
   12.00  -72.86   74.49  -72.43   52.63
   13.00  -72.72   89.49  -68.64   62.11
   14.00  -72.78  104.49  -65.43   71.43
   15.00  -72.62  119.49  -62.55   80.01
   16.00  -73.01  134.49  -60.79   89.08
   17.00  -73.20  149.49  -59.40   97.72
   18.00  -72.79  164.49  -57.91  106.01
   19.00  -71.81  179.49  -56.29  114.40
   20.00  -71.39  194.49  -55.73  123.24
   21.00  -70.46  209.49  -55.23  132.31
   22.00  -70.50  224.49  -56.27  141.43
   23.00  -69.45  239.49  -56.78  151.31
</PRE>


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