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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>
28 Mar 1997 18:46:02 yearsecs   7497962
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.28  149.97  -48.27   91.12
    1.00  -62.83  164.97  -47.82  102.15
    2.00  -63.39  179.97  -47.81  112.92
    3.00  -63.95  194.97  -48.33  123.39
    4.00  -63.56  209.97  -48.56  133.74
    5.00  -64.84  224.97  -50.97  143.78
    6.00  -65.30  239.97  -53.05  153.95
    7.00  -65.29  254.97  -55.06  164.49
    8.00  -65.97  269.97  -58.04  174.66
    9.00  -65.33  284.97  -60.25  186.32
   10.00  -64.95  299.97  -63.12  198.36
   11.00  -64.72  314.97  -66.55  211.31
   12.00  -64.76  329.97  -70.37  226.01
   13.00  -65.02  344.97  -74.21  244.24
   14.00  -65.50  359.98  -77.60  269.16
   15.00  -66.21   14.97  -79.47  303.80
   16.00  -67.14   29.97  -78.80  340.87
   17.00  -67.25   44.97  -75.28    6.88
   18.00  -67.08   59.97  -70.95   24.27
   19.00  -67.63   74.97  -67.50   39.66
   20.00  -66.26   89.97  -62.34   49.73
   21.00  -65.16  104.97  -57.85   60.15
   22.00  -63.93  119.97  -53.72   70.31
   23.00  -62.74  134.97  -50.29   80.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.54  149.97  -54.68   94.69
    1.00  -69.74  164.97  -54.80  104.85
    2.00  -70.80  179.97  -55.25  114.45
    3.00  -71.88  194.97  -56.23  123.53
    4.00  -74.87  209.97  -59.61  131.61
    5.00  -76.00  224.97  -61.57  139.03
    6.00  -75.27  239.97  -62.16  147.40
    7.00  -74.39  254.97  -63.11  156.39
    8.00  -75.40  269.97  -66.10  163.07
    9.00  -74.97  284.97  -68.26  171.73
   10.00  -74.88  299.97  -71.08  179.87
   11.00  -74.53  314.97  -74.11  189.03
   12.00  -74.26  329.97  -77.51  198.99
   13.00  -74.20  344.97  -81.25  210.12
   14.00  -74.45  359.98  -85.27  224.11
   15.00  -74.05   14.97  -88.08  294.77
   16.00  -73.96   29.97  -85.42   14.90
   17.00  -72.25   44.97  -80.07   24.95
   18.00  -72.08   59.97  -75.71   39.03
   19.00  -73.00   74.97  -72.42   53.40
   20.00  -72.41   89.97  -68.26   61.68
   21.00  -70.26  104.97  -62.98   67.43
   22.00  -69.57  119.97  -59.50   76.36
   23.00  -68.67  134.97  -56.39   85.13
</PRE>


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