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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>
09 Sep 1997 22:23:42 yearsecs  21767022
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.26   93.81  -57.08   47.07
    1.00  -62.82  108.81  -54.58   60.41
    2.00  -63.38  123.81  -52.52   72.70
    3.00  -63.93  138.81  -51.07   84.09
    4.00  -63.54  153.81  -49.26   94.50
    5.00  -64.81  168.81  -49.64  105.52
    6.00  -65.29  183.81  -49.64  115.89
    7.00  -65.28  198.81  -49.74  126.00
    8.00  -65.95  213.81  -51.12  135.94
    9.00  -65.32  228.81  -51.80  146.25
   10.00  -64.94  243.81  -53.20  156.82
   11.00  -64.71  258.81  -55.12  167.66
   12.00  -64.75  273.81  -57.63  178.61
   13.00  -65.00  288.81  -60.74  189.60
   14.00  -65.49  303.81  -64.49  200.68
   15.00  -66.19  318.81  -68.80  212.30
   16.00  -67.13  333.81  -73.40  225.42
   17.00  -68.28  348.81  -78.03  241.95
   18.00  -68.31    3.81  -80.99  271.64
   19.00  -67.62   18.81  -80.89  313.99
   20.00  -66.25   33.81  -76.98  346.84
   21.00  -65.15   48.81  -71.86    7.46
   22.00  -63.91   63.81  -66.30   21.95
   23.00  -62.73   78.81  -61.07   34.35
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.07   93.81  -67.08   63.42
    1.00  -73.16  108.81  -64.94   74.65
    2.00  -74.12  123.81  -63.32   84.56
    3.00  -75.10  138.81  -62.34   93.75
    4.00  -77.63  153.81  -63.45  103.81
    5.00  -78.64  168.81  -63.59  111.55
    6.00  -78.13  183.81  -62.63  118.29
    7.00  -77.52  198.81  -61.99  125.42
    8.00  -78.42  213.81  -63.32  132.33
    9.00  -78.18  228.81  -63.93  139.45
   10.00  -78.20  243.81  -65.21  146.38
   11.00  -78.03  258.81  -66.71  153.48
   12.00  -77.67  273.81  -68.45  160.90
   13.00  -77.51  288.81  -70.74  167.87
   14.00  -77.60  303.81  -73.52  173.82
   15.00  -77.18  318.81  -76.33  181.17
   16.00  -77.01  333.81  -79.56  187.24
   17.00  -75.54  348.81  -82.77  203.28
   18.00  -75.30    3.81  -86.61  217.29
   19.00  -75.97   18.81  -89.24   50.72
   20.00  -75.41   33.81  -85.05   37.99
   21.00  -73.54   48.81  -79.91   35.93
   22.00  -72.88   63.81  -75.28   45.12
   23.00  -72.09   78.81  -70.70   53.41
</PRE>


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