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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>
26 Feb 1997 14:42:51 yearsecs   4891371
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.99  213.48  -42.42  137.27
    1.00  -57.30  228.48  -44.11  148.67
    2.00  -57.60  243.48  -46.24  160.15
    3.00  -57.89  258.48  -48.76  171.79
    4.00  -58.17  273.48  -51.58  183.72
    5.00  -58.86  288.48  -55.07  195.62
    6.00  -60.73  303.48  -60.08  206.50
    7.00  -62.25  318.48  -65.18  218.23
    8.00  -61.77  333.48  -68.46  234.86
    9.00  -61.01  348.48  -71.07  255.99
   10.00  -60.77    3.48  -73.09  282.30
   11.00  -60.73   18.48  -73.03  312.71
   12.00  -60.89   33.48  -70.60  339.97
   13.00  -61.25   48.48  -67.12    1.04
   14.00  -61.81   63.48  -63.79   18.27
   15.00  -62.58   78.48  -60.97   33.83
   16.00  -63.56   93.48  -58.61   48.56
   17.00  -64.76  108.48  -56.71   62.39
   18.00  -65.03  123.48  -54.29   73.96
   19.00  -63.69  138.48  -50.85   83.68
   20.00  -62.07  153.48  -47.77   93.56
   21.00  -60.90  168.48  -45.68  104.07
   22.00  -59.05  183.48  -43.39  114.76
   23.00  -57.93  198.48  -42.48  125.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.41  213.48  -58.33  133.94
    1.00  -74.29  228.48  -60.19  141.90
    2.00  -75.12  243.48  -62.39  149.41
    3.00  -75.59  258.48  -64.61  156.81
    4.00  -76.30  273.48  -67.35  163.33
    5.00  -77.47  288.48  -70.65  167.82
    6.00  -77.81  303.48  -73.57  173.01
    7.00  -77.09  318.48  -76.23  181.41
    8.00  -77.24  333.48  -79.55  185.85
    9.00  -77.43  348.48  -82.98  187.03
   10.00  -76.92    3.48  -86.55  188.00
   11.00  -76.55   18.48  -88.97   88.27
   12.00  -76.29   33.48  -85.31   49.41
   13.00  -76.07   48.48  -81.25   51.91
   14.00  -76.01   63.48  -77.34   58.29
   15.00  -75.80   78.48  -73.55   64.63
   16.00  -76.05   93.48  -70.41   72.69
   17.00  -76.18  108.48  -67.65   80.23
   18.00  -75.78  123.48  -64.91   86.85
   19.00  -74.88  138.48  -62.16   93.33
   20.00  -74.52  153.48  -60.39  100.98
   21.00  -73.84  168.48  -58.76  108.79
   22.00  -73.99  183.48  -58.41  117.18
   23.00  -73.24  198.48  -57.65  125.53
</PRE>


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