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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>
18 May 1997 23:32:30 yearsecs  11921550
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.67   74.19  -62.13   29.98
    1.00  -63.14   89.19  -59.11   44.25
    2.00  -63.68  104.19  -56.44   57.65
    3.00  -64.20  119.19  -54.14   69.98
    4.00  -63.84  134.19  -51.53   80.71
    5.00  -65.02  149.19  -51.16   92.04
    6.00  -64.98  164.19  -50.05  102.38
    7.00  -65.59  179.19  -50.04  112.81
    8.00  -66.94  194.19  -51.29  122.94
    9.00  -65.97  209.19  -50.85  132.86
   10.00  -65.44  224.19  -51.47  143.05
   11.00  -65.20  239.19  -52.85  153.45
   12.00  -65.20  254.19  -54.86  164.00
   13.00  -65.44  269.19  -57.44  174.58
   14.00  -65.90  284.19  -60.60  185.08
   15.00  -66.60  299.19  -64.39  195.41
   16.00  -67.52  314.19  -68.77  205.81
   17.00  -68.25  329.19  -73.16  217.87
   18.00  -67.85  344.19  -76.57  236.43
   19.00  -67.97  359.20  -79.92  261.89
   20.00  -66.62   14.19  -79.94  301.56
   21.00  -65.22   29.19  -76.75  336.42
   22.00  -64.12   44.19  -71.89  359.61
   23.00  -63.01   59.19  -66.44   15.66
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.67   74.19  -67.74   39.05
    1.00  -68.89   89.19  -65.19   53.76
    2.00  -69.86  104.19  -62.75   66.26
    3.00  -70.96  119.19  -61.00   77.60
    4.00  -73.89  134.19  -61.69   89.90
    5.00  -74.33  149.19  -60.56   98.50
    6.00  -75.35  164.19  -60.50  107.26
    7.00  -76.24  179.19  -60.79  115.47
    8.00  -76.77  194.19  -61.17  123.16
    9.00  -76.18  209.19  -60.90  130.84
   10.00  -76.20  224.19  -61.70  138.51
   11.00  -75.98  239.19  -62.74  146.37
   12.00  -75.57  254.19  -64.04  154.59
   13.00  -75.39  269.19  -65.97  162.68
   14.00  -75.59  284.19  -68.58  170.05
   15.00  -75.15  299.19  -71.11  178.75
   16.00  -75.01  314.19  -74.22  187.03
   17.00  -73.25  329.19  -76.74  202.52
   18.00  -72.85  344.19  -80.32  217.11
   19.00  -73.51  359.20  -84.56  232.64
   20.00  -72.68   14.19  -86.58  294.61
   21.00  -70.22   29.19  -82.29  347.18
   22.00  -69.12   44.19  -77.47   11.03
   23.00  -68.01   59.19  -72.15   25.69
</PRE>


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