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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>
10 Feb 1997 22:58:45 yearsecs   3538725
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.84   93.07  -50.69   39.90
    1.00  -57.19  108.07  -48.42   53.98
    2.00  -57.53  123.07  -46.37   67.33
    3.00  -57.86  138.07  -44.78   79.74
    4.00  -58.19  153.07  -43.78   91.53
    5.00  -58.93  168.07  -43.68  103.20
    6.00  -60.86  183.07  -45.22  114.71
    7.00  -62.46  198.07  -46.94  125.53
    8.00  -62.08  213.07  -47.35  136.14
    9.00  -61.37  228.07  -48.01  147.09
   10.00  -61.01  243.07  -49.45  158.29
   11.00  -60.88  258.07  -51.51  169.70
   12.00  -60.97  273.07  -54.09  181.30
   13.00  -61.27  288.07  -57.22  193.03
   14.00  -61.79  303.07  -60.98  204.92
   15.00  -62.52  318.07  -65.33  217.45
   16.00  -63.48  333.07  -69.97  231.72
   17.00  -64.65  348.07  -74.55  249.58
   18.00  -64.90    3.07  -77.41  276.67
   19.00  -63.53   18.07  -76.31  311.70
   20.00  -61.88   33.07  -71.94  340.11
   21.00  -60.70   48.07  -66.53  359.89
   22.00  -58.86   63.07  -60.00   13.91
   23.00  -57.76   78.07  -54.92   27.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.79   93.07  -67.00   62.34
    1.00  -72.70  108.07  -64.66   73.43
    2.00  -73.56  123.07  -62.89   83.36
    3.00  -74.02  138.07  -61.36   92.16
    4.00  -74.75  153.07  -60.65  100.94
    5.00  -75.98  168.07  -60.94  109.65
    6.00  -76.30  183.07  -60.77  117.47
    7.00  -75.41  198.07  -59.83  125.19
    8.00  -75.44  213.07  -60.31  133.08
    9.00  -75.71  228.07  -61.51  140.81
   10.00  -75.32  243.07  -62.52  149.01
   11.00  -74.98  258.07  -64.03  157.38
   12.00  -74.76  273.07  -66.06  165.76
   13.00  -74.57  288.07  -68.52  174.20
   14.00  -74.56  303.07  -71.52  182.34
   15.00  -74.38  318.07  -74.73  191.29
   16.00  -74.70  333.07  -78.50  198.95
   17.00  -74.89  348.07  -82.35  207.82
   18.00  -74.49    3.07  -86.10  228.89
   19.00  -73.55   18.07  -87.48  319.58
   20.00  -73.20   33.07  -84.07   13.66
   21.00  -72.41   48.07  -79.32   29.27
   22.00  -72.52   63.07  -75.21   43.20
   23.00  -71.66   78.07  -70.52   51.73
</PRE>


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