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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>
19 Apr 1997 22:39:34 yearsecs   9412774
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.21   89.34  -56.84   41.72
    1.00  -61.83  104.34  -54.39   55.57
    2.00  -62.45  119.34  -52.26   68.43
    3.00  -63.06  134.34  -50.70   80.25
    4.00  -62.41  149.34  -48.46   90.73
    5.00  -63.57  164.34  -48.61  101.96
    6.00  -64.32  179.34  -48.76  112.66
    7.00  -64.60  194.34  -48.97  122.97
    8.00  -65.20  209.34  -50.11  133.08
    9.00  -64.56  224.34  -50.65  143.43
   10.00  -64.18  239.34  -51.94  154.06
   11.00  -63.95  254.34  -53.76  164.94
   12.00  -63.99  269.34  -56.18  175.96
   13.00  -64.25  284.34  -59.16  187.04
   14.00  -64.73  299.34  -62.78  198.15
   15.00  -65.44  314.34  -67.02  209.60
   16.00  -66.37  329.34  -71.62  222.22
   17.00  -67.52  344.34  -76.33  237.52
   18.00  -67.52  359.34  -79.51  263.42
   19.00  -66.86   14.34  -80.21  301.84
   20.00  -65.40   29.34  -76.93  336.95
   21.00  -64.29   44.34  -72.05    0.08
   22.00  -62.91   59.34  -66.28   15.67
   23.00  -61.74   74.34  -60.96   28.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.32   89.34  -67.45   58.83
    1.00  -72.20  104.34  -64.94   70.30
    2.00  -73.14  119.34  -63.07   80.66
    3.00  -74.00  134.34  -61.78   90.11
    4.00  -76.30  149.34  -62.49  100.37
    5.00  -77.37  164.34  -62.53  108.62
    6.00  -77.06  179.34  -61.63  115.81
    7.00  -76.43  194.34  -60.83  123.23
    8.00  -77.18  209.34  -61.90  130.63
    9.00  -77.03  224.34  -62.52  138.09
   10.00  -76.92  239.34  -63.61  145.59
   11.00  -76.70  254.34  -65.03  153.26
   12.00  -76.38  269.34  -66.79  161.15
   13.00  -76.28  284.34  -69.11  168.68
   14.00  -76.29  299.34  -71.88  175.82
   15.00  -75.84  314.34  -74.72  184.31
   16.00  -75.71  329.34  -78.06  192.13
   17.00  -74.38  344.34  -81.18  208.42
   18.00  -74.19  359.34  -84.98  226.03
   19.00  -74.78   14.34  -88.80  279.65
   20.00  -74.24   29.34  -85.77   17.06
   21.00  -72.54   44.34  -80.47   25.74
   22.00  -72.11   59.34  -75.92   38.63
   23.00  -71.15   74.34  -71.04   47.58
</PRE>


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