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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 May 1997 14:57:06 yearsecs  11977026
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.63  213.60  -49.84  136.05
    1.00  -65.63  228.60  -52.07  145.98
    2.00  -66.55  243.60  -54.64  155.76
    3.00  -67.47  258.60  -57.55  165.35
    4.00  -67.23  273.60  -59.78  175.97
    5.00  -68.10  288.60  -63.39  185.48
    6.00  -68.36  303.60  -66.91  195.94
    7.00  -69.86  318.60  -71.75  204.49
    8.00  -69.84  333.60  -75.53  218.02
    9.00  -69.21  348.60  -78.77  238.61
   10.00  -69.11    3.60  -81.76  268.78
   11.00  -68.72   18.60  -82.14  313.82
   12.00  -68.58   33.60  -79.61  351.64
   13.00  -68.69   48.60  -75.82   15.57
   14.00  -69.06   63.60  -72.00   32.78
   15.00  -69.69   78.60  -68.59   47.22
   16.00  -70.29   93.60  -65.50   59.69
   17.00  -70.36  108.60  -62.34   69.99
   18.00  -70.45  123.60  -59.79   79.71
   19.00  -69.72  138.60  -57.02   88.35
   20.00  -68.86  153.60  -54.70   97.21
   21.00  -68.10  168.60  -52.96  106.50
   22.00  -67.51  183.60  -51.88  116.09
   23.00  -66.04  198.60  -50.48  125.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.63  213.60  -54.65  135.01
    1.00  -70.87  228.60  -56.97  143.77
    2.00  -71.73  243.60  -59.33  152.32
    3.00  -77.58  258.60  -66.30  154.07
    4.00  -79.60  273.60  -69.84  156.70
    5.00  -80.06  288.60  -72.27  160.81
    6.00  -79.40  303.60  -74.35  167.62
    7.00  -78.43  318.60  -76.76  175.73
    8.00  -78.75  333.60  -79.84  177.00
    9.00  -78.50  348.60  -82.93  177.76
   10.00  -78.15    3.60  -86.05  168.91
   11.00  -78.16   18.60  -87.37  112.24
   12.00  -78.40   33.60  -84.87   76.17
   13.00  -78.18   48.60  -81.58   67.67
   14.00  -77.97   63.60  -78.08   68.19
   15.00  -77.76   78.60  -74.66   71.85
   16.00  -77.55   93.60  -71.45   76.93
   17.00  -77.33  108.60  -68.57   82.75
   18.00  -78.48  123.60  -67.31   91.49
   19.00  -78.77  138.60  -65.85   98.29
   20.00  -77.92  153.60  -63.75  103.98
   21.00  -75.98  168.60  -60.91  109.92
   22.00  -72.93  183.60  -57.33  117.04
   23.00  -71.04  198.60  -55.44  125.69
</PRE>


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