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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 Jan 1997 17:28:26 yearsecs    840506
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.14  171.87  -42.73  105.86
    1.00  -58.66  186.87  -42.98  117.23
    2.00  -59.16  201.87  -43.84  128.35
    3.00  -59.67  216.87  -45.31  139.33
    4.00  -59.44  231.87  -46.57  150.55
    5.00  -60.33  246.87  -49.33  161.48
    6.00  -61.90  261.87  -53.05  171.93
    7.00  -63.10  276.87  -56.71  182.45
    8.00  -63.15  291.87  -59.71  194.12
    9.00  -62.51  306.87  -62.54  207.31
   10.00  -62.12  321.87  -65.91  221.75
   11.00  -61.90  336.87  -69.40  238.76
   12.00  -61.94  351.87  -72.65  260.08
   13.00  -62.20    6.87  -74.88  287.86
   14.00  -62.68   21.87  -74.94  319.76
   15.00  -63.39   36.87  -72.88  347.81
   16.00  -64.32   51.87  -70.03    9.68
   17.00  -65.47   66.87  -67.30   27.82
   18.00  -65.59   81.87  -63.58   41.75
   19.00  -64.54   96.87  -58.92   52.78
   20.00  -62.91  111.87  -54.09   62.97
   21.00  -61.75  126.87  -50.33   73.66
   22.00  -60.03  141.87  -46.67   83.91
   23.00  -58.92  156.87  -44.28   94.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.20  171.87  -55.94  109.67
    1.00  -71.99  186.87  -56.34  118.78
    2.00  -72.86  201.87  -57.34  127.48
    3.00  -73.42  216.87  -58.53  135.84
    4.00  -74.68  231.87  -60.84  143.50
    5.00  -75.88  246.87  -63.45  150.43
    6.00  -76.06  261.87  -65.46  157.91
    7.00  -75.27  276.87  -67.09  166.90
    8.00  -75.51  291.87  -69.92  174.13
    9.00  -75.73  306.87  -73.06  181.05
   10.00  -75.36  321.87  -76.16  189.83
   11.00  -75.02  336.87  -79.58  199.64
   12.00  -74.78  351.87  -83.29  211.69
   13.00  -74.66    6.87  -87.15  235.13
   14.00  -74.61   21.87  -87.89  359.30
   15.00  -74.30   36.87  -83.72   29.17
   16.00  -74.44   51.87  -79.60   43.48
   17.00  -74.09   66.87  -75.32   51.84
   18.00  -73.79   81.87  -71.32   60.15
   19.00  -73.43   96.87  -67.59   68.22
   20.00  -73.02  111.87  -64.24   76.19
   21.00  -71.94  126.87  -60.76   83.46
   22.00  -71.93  141.87  -58.88   92.27
   23.00  -70.94  156.87  -56.54  100.48
</PRE>


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