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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>
29 Apr 1997 22:19:18 yearsecs  10275558
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.27   93.26  -61.58   52.42
    1.00  -66.18  108.26  -58.23   63.97
    2.00  -66.96  123.26  -56.32   75.69
    3.00  -67.73  138.26  -55.04   86.49
    4.00  -67.30  153.26  -53.15   96.09
    5.00  -67.91  168.26  -52.79  106.21
    6.00  -67.77  183.26  -52.14  115.92
    7.00  -67.96  198.26  -52.37  125.58
    8.00  -68.89  213.26  -53.92  134.97
    9.00  -69.16  228.26  -55.34  144.34
   10.00  -68.94  243.26  -56.76  154.06
   11.00  -68.75  258.26  -58.62  164.04
   12.00  -68.78  273.26  -61.07  174.03
   13.00  -69.04  288.26  -64.12  183.90
   14.00  -69.52  303.26  -67.78  193.61
   15.00  -70.23  318.26  -71.94  203.34
   16.00  -70.94  333.26  -76.25  214.21
   17.00  -71.18  348.26  -80.24  230.22
   18.00  -71.29    3.26  -83.76  258.75
   19.00  -70.67   18.26  -84.33  314.03
   20.00  -69.84   33.26  -81.00  354.97
   21.00  -69.03   48.26  -76.25   16.15
   22.00  -68.35   63.26  -71.38   30.61
   23.00  -67.43   78.26  -66.45   42.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.53   93.26  -66.72   61.92
    1.00  -72.61  108.26  -64.54   73.39
    2.00  -73.39  123.26  -62.70   83.23
    3.00  -78.51  138.26  -65.65   97.79
    4.00  -80.38  153.26  -66.18  106.43
    5.00  -80.75  168.26  -65.75  112.75
    6.00  -80.09  183.26  -64.65  118.59
    7.00  -79.15  198.26  -63.65  125.04
    8.00  -79.25  213.26  -64.13  131.71
    9.00  -79.19  228.26  -64.86  138.40
   10.00  -79.03  243.26  -65.90  145.16
   11.00  -79.01  258.26  -67.45  151.67
   12.00  -79.25  273.26  -69.54  157.35
   13.00  -79.08  288.26  -71.64  163.50
   14.00  -78.93  303.26  -74.08  169.15
   15.00  -78.75  318.26  -76.80  174.25
   16.00  -78.63  333.26  -79.76  177.68
   17.00  -78.44  348.26  -82.87  178.38
   18.00  -79.39    3.26  -85.16  155.98
   19.00  -79.57   18.26  -85.90  118.43
   20.00  -78.78   33.26  -84.75   80.64
   21.00  -77.01   48.26  -81.55   58.78
   22.00  -74.40   63.26  -76.48   50.82
   23.00  -72.72   78.26  -71.36   54.80
</PRE>


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