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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>
06 Jun 1997 16:21:57 yearsecs  13537317
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.02  190.20  -50.34  120.26
    1.00  -66.01  205.20  -50.69  130.21
    2.00  -66.69  220.20  -52.30  140.00
    3.00  -67.37  235.20  -54.39  149.67
    4.00  -66.84  250.20  -55.77  160.09
    5.00  -67.37  265.20  -58.48  169.99
    6.00  -67.19  280.20  -60.95  180.68
    7.00  -67.48  295.20  -64.26  191.12
    8.00  -68.54  310.20  -68.63  200.66
    9.00  -68.96  325.20  -72.71  212.33
   10.00  -68.82  340.20  -76.40  228.43
   11.00  -68.70  355.20  -79.82  251.58
   12.00  -68.82   10.20  -82.21  287.94
   13.00  -69.18   25.20  -81.92  333.65
   14.00  -69.78   40.20  -79.20    7.33
   15.00  -70.62   55.20  -75.81   29.30
   16.00  -71.45   70.20  -72.40   45.24
   17.00  -71.82   85.20  -68.88   57.12
   18.00  -71.89  100.20  -65.52   67.15
   19.00  -71.08  115.20  -61.81   75.27
   20.00  -70.12  130.20  -58.49   83.48
   21.00  -69.21  145.20  -55.80   92.10
   22.00  -68.46  160.20  -53.81  101.22
   23.00  -67.33  175.20  -51.91  110.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.02  190.20  -55.34  120.66
    1.00  -72.17  205.20  -56.75  129.48
    2.00  -72.96  220.20  -58.30  137.90
    3.00  -78.41  235.20  -64.63  142.21
    4.00  -80.29  250.20  -67.66  146.32
    5.00  -80.69  265.20  -69.58  151.23
    6.00  -80.03  280.20  -71.03  158.08
    7.00  -79.04  295.20  -72.75  166.10
    8.00  -79.11  310.20  -75.41  170.58
    9.00  -79.11  325.20  -78.23  173.96
   10.00  -78.87  340.20  -81.18  176.30
   11.00  -78.93  355.20  -84.11  170.36
   12.00  -79.17   10.20  -86.12  142.51
   13.00  -78.98   25.20  -85.93   96.57
   14.00  -78.78   40.20  -83.36   74.97
   15.00  -78.59   55.20  -80.10   70.54
   16.00  -78.40   70.20  -76.75   71.97
   17.00  -78.45   85.20  -73.66   76.70
   18.00  -79.26  100.20  -71.40   84.36
   19.00  -79.53  115.20  -69.31   90.37
   20.00  -78.74  130.20  -66.73   94.71
   21.00  -76.93  145.20  -63.47   98.99
   22.00  -74.09  160.20  -59.48  104.34
   23.00  -72.33  175.20  -56.95  112.03
</PRE>


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