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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>
25 Jan 1997 16:07:57 yearsecs   2131677
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.40  190.79  -50.72  120.68
    1.00  -66.41  205.79  -51.11  130.56
    2.00  -67.15  220.79  -52.79  140.26
    3.00  -67.89  235.79  -54.93  149.80
    4.00  -67.43  250.79  -56.38  160.08
    5.00  -68.00  265.79  -59.14  169.79
    6.00  -67.84  280.79  -61.63  180.33
    7.00  -68.10  295.79  -64.92  190.63
    8.00  -69.10  310.79  -69.23  200.02
    9.00  -69.49  325.79  -73.28  211.54
   10.00  -69.31  340.79  -76.94  227.66
   11.00  -69.08  355.79  -80.28  251.43
   12.00  -69.09   10.79  -82.54  289.26
   13.00  -69.33   25.79  -81.98  335.59
   14.00  -69.79   40.79  -79.05    8.30
   15.00  -70.49   55.79  -75.52   29.45
   16.00  -71.15   70.79  -71.98   44.83
   17.00  -71.28   85.79  -68.26   56.28
   18.00  -71.44  100.79  -64.97   66.68
   19.00  -70.80  115.79  -61.43   75.25
   20.00  -69.98  130.79  -58.26   83.70
   21.00  -69.19  145.79  -55.72   92.46
   22.00  -68.55  160.79  -53.86  101.65
   23.00  -67.62  175.79  -52.18  111.03
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.43  190.79  -56.76  121.12
    1.00  -73.51  205.79  -58.10  129.61
    2.00  -74.24  220.79  -59.58  137.70
    3.00  -79.28  235.79  -65.50  141.61
    4.00  -81.03  250.79  -68.35  145.37
    5.00  -81.41  265.79  -70.17  149.88
    6.00  -80.80  280.79  -71.60  156.22
    7.00  -79.89  295.79  -73.29  163.57
    8.00  -79.97  310.79  -75.81  167.24
    9.00  -79.98  325.79  -78.46  169.48
   10.00  -79.82  340.79  -81.19  169.67
   11.00  -79.81  355.79  -83.78  161.87
   12.00  -80.03   10.79  -85.31  136.60
   13.00  -79.84   25.79  -85.09  102.04
   14.00  -79.66   40.79  -82.93   82.14
   15.00  -79.47   55.79  -80.01   76.18
   16.00  -79.29   70.79  -76.91   76.32
   17.00  -79.09   85.79  -73.88   79.20
   18.00  -80.08  100.79  -71.83   86.95
   19.00  -80.32  115.79  -69.83   92.42
   20.00  -79.58  130.79  -67.41   96.40
   21.00  -77.90  145.79  -64.36  100.36
   22.00  -75.26  160.79  -60.62  105.42
   23.00  -73.64  175.79  -58.25  112.80
</PRE>


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