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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 Sep 1997 14:47:28 yearsecs  23554048
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.40  208.82  -49.31  132.83
    1.00  -64.01  223.82  -50.09  143.24
    2.00  -64.96  238.82  -52.59  153.32
    3.00  -65.90  253.82  -55.45  163.25
    4.00  -65.70  268.82  -57.61  174.08
    5.00  -66.74  283.82  -61.26  183.82
    6.00  -66.92  298.82  -64.58  194.67
    7.00  -66.77  313.82  -68.04  206.88
    8.00  -67.44  328.82  -72.40  219.37
    9.00  -67.03  343.82  -75.77  238.09
   10.00  -66.61  358.82  -78.53  264.53
   11.00  -66.42   13.82  -79.72  300.71
   12.00  -66.45   28.82  -78.25  337.31
   13.00  -66.71   43.82  -75.00    4.01
   14.00  -67.20   58.82  -71.40   23.34
   15.00  -67.90   73.82  -68.08   39.23
   16.00  -68.83   88.82  -65.22   53.38
   17.00  -69.84  103.82  -62.81   65.98
   18.00  -69.67  118.82  -59.79   75.74
   19.00  -69.10  133.82  -56.98   84.78
   20.00  -67.99  148.82  -54.22   93.59
   21.00  -66.96  163.82  -52.07  102.92
   22.00  -65.95  178.82  -50.41  112.64
   23.00  -65.03  193.82  -49.39  122.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.21  208.82  -57.92  131.37
    1.00  -74.23  223.82  -59.77  139.37
    2.00  -75.18  238.82  -61.96  146.87
    3.00  -78.08  253.82  -66.16  151.13
    4.00  -80.20  268.82  -69.65  153.59
    5.00  -80.72  283.82  -71.96  157.40
    6.00  -80.22  298.82  -73.93  163.35
    7.00  -79.79  313.82  -76.29  168.65
    8.00  -80.26  328.82  -79.02  168.06
    9.00  -80.09  343.82  -81.67  166.89
   10.00  -80.21  358.82  -83.97  155.45
   11.00  -79.92   13.82  -85.53  129.93
   12.00  -79.82   28.82  -84.76   96.51
   13.00  -79.55   43.82  -82.40   79.60
   14.00  -79.53   58.82  -79.39   76.41
   15.00  -79.17   73.82  -76.26   76.37
   16.00  -79.22   88.82  -73.37   80.54
   17.00  -78.55  103.82  -70.31   83.73
   18.00  -78.64  118.82  -68.08   89.84
   19.00  -78.52  133.82  -66.13   95.89
   20.00  -77.67  148.82  -63.88  101.51
   21.00  -75.93  163.82  -61.10  107.43
   22.00  -74.59  178.82  -59.12  114.77
   23.00  -73.53  193.82  -57.88  122.90
</PRE>


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