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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>
25 Feb 1997 01:10:35 yearsecs   4756235
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.55   59.00  -64.65   13.27
    1.00  -62.14   74.00  -61.53   29.00
    2.00  -62.74   89.00  -58.70   43.52
    3.00  -63.34  104.00  -56.11   57.09
    4.00  -62.77  119.00  -52.67   68.47
    5.00  -63.97  134.00  -51.69   80.67
    6.00  -64.63  149.00  -50.77   91.69
    7.00  -64.82  164.00  -49.89  102.19
    8.00  -65.24  179.00  -49.69  112.62
    9.00  -64.80  194.00  -49.16  122.75
   10.00  -64.39  209.00  -49.31  132.96
   11.00  -64.20  224.00  -50.28  143.31
   12.00  -64.23  239.00  -51.94  153.80
   13.00  -64.49  254.00  -54.20  164.35
   14.00  -64.97  269.00  -57.00  174.86
   15.00  -65.68  284.00  -60.36  185.20
   16.00  -66.61  299.00  -64.36  195.26
   17.00  -67.77  314.00  -68.92  205.20
   18.00  -67.77  329.00  -72.72  218.80
   19.00  -67.10  344.00  -75.88  238.15
   20.00  -65.67  359.01  -77.63  266.86
   21.00  -64.57   14.00  -77.66  302.10
   22.00  -63.23   29.00  -74.44  334.12
   23.00  -62.06   44.00  -69.38  356.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.44   59.00  -74.58   32.46
    1.00  -71.40   74.00  -71.35   48.02
    2.00  -72.36   89.00  -68.44   60.95
    3.00  -73.28  104.00  -65.98   72.08
    4.00  -75.78  119.00  -65.57   84.62
    5.00  -76.86  134.00  -64.56   93.55
    6.00  -76.41  149.00  -62.63  100.32
    7.00  -76.02  164.00  -61.18  107.58
    8.00  -76.58  179.00  -61.15  115.49
    9.00  -76.47  194.00  -60.87  123.06
   10.00  -76.47  209.00  -61.18  130.67
   11.00  -76.27  224.00  -61.76  138.37
   12.00  -75.96  239.00  -62.69  146.30
   13.00  -75.86  254.00  -64.27  154.14
   14.00  -75.93  269.00  -66.37  161.73
   15.00  -75.49  284.00  -68.47  170.17
   16.00  -75.37  299.00  -71.22  178.11
   17.00  -73.94  314.00  -73.53  190.28
   18.00  -73.75  329.00  -76.99  200.41
   19.00  -74.43  344.00  -81.11  207.91
   20.00  -73.83  359.01  -84.70  229.20
   21.00  -71.94   14.00  -85.77  295.55
   22.00  -71.36   29.00  -83.48  351.78
   23.00  -70.36   44.00  -78.72   15.17
</PRE>


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