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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>
09 Sep 1997 13:59:20 yearsecs  21736760
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.42  224.61  -45.77  145.13
    1.00  -60.06  239.61  -48.10  156.13
    2.00  -60.70  254.61  -50.80  167.16
    3.00  -61.34  269.61  -53.82  178.30
    4.00  -60.57  284.61  -55.88  190.87
    5.00  -61.56  299.61  -59.96  202.25
    6.00  -62.78  314.61  -64.70  213.84
    7.00  -63.58  329.61  -69.20  227.65
    8.00  -63.74  344.61  -72.93  246.10
    9.00  -63.31  359.62  -75.31  271.92
   10.00  -62.89   14.61  -75.77  304.14
   11.00  -62.70   29.61  -73.69  334.82
   12.00  -62.74   44.61  -70.08  358.11
   13.00  -63.00   59.61  -66.31   16.09
   14.00  -63.48   74.61  -62.99   31.65
   15.00  -64.19   89.61  -60.18   46.15
   16.00  -65.12  104.61  -57.88   59.80
   17.00  -66.27  119.61  -56.22   72.41
   18.00  -66.28  134.61  -54.00   82.89
   19.00  -65.54  149.61  -51.65   92.62
   20.00  -63.94  164.61  -48.97  102.29
   21.00  -62.82  179.61  -47.24  112.56
   22.00  -61.21  194.61  -45.62  123.06
   23.00  -60.07  209.61  -45.16  133.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.30  224.61  -59.90  139.77
    1.00  -74.96  239.61  -61.84  147.47
    2.00  -75.81  254.61  -64.30  154.52
    3.00  -76.47  269.61  -66.90  161.13
    4.00  -78.00  284.61  -70.37  164.86
    5.00  -79.05  299.61  -73.50  167.56
    6.00  -79.22  314.61  -76.26  171.29
    7.00  -78.87  329.61  -79.05  175.90
    8.00  -79.09  344.61  -82.03  174.07
    9.00  -79.04  359.62  -84.84  164.77
   10.00  -78.72   14.61  -86.83  130.26
   11.00  -78.34   29.61  -85.69   80.63
   12.00  -78.01   44.61  -82.51   66.63
   13.00  -77.84   59.61  -78.97   66.59
   14.00  -77.65   74.61  -75.48   70.03
   15.00  -77.20   89.61  -72.01   74.22
   16.00  -77.08  104.61  -69.06   80.41
   17.00  -76.25  119.61  -65.90   85.71
   18.00  -76.00  134.61  -63.67   92.69
   19.00  -76.10  149.61  -62.28  100.32
   20.00  -75.75  164.61  -60.89  107.73
   21.00  -74.68  179.61  -59.19  115.23
   22.00  -74.67  194.61  -59.04  123.35
   23.00  -73.86  209.61  -58.60  131.66
</PRE>


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