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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>
13 Jul 1997 15:37:05 yearsecs  16731425
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.96  205.70  -49.69  130.65
    1.00  -64.77  220.70  -50.52  140.88
    2.00  -65.89  235.70  -53.09  150.71
    3.00  -67.02  250.70  -56.00  160.31
    4.00  -66.87  265.70  -58.13  170.79
    5.00  -67.80  280.70  -61.58  180.31
    6.00  -67.93  295.70  -64.76  190.82
    7.00  -67.86  310.70  -68.19  202.33
    8.00  -68.46  325.70  -72.44  214.00
    9.00  -68.39  340.70  -76.18  230.30
   10.00  -67.89  355.70  -79.18  255.05
   11.00  -67.63   10.70  -80.97  291.23
   12.00  -67.60   25.70  -80.08  331.98
   13.00  -67.79   40.70  -77.01    1.98
   14.00  -68.22   55.70  -73.34   22.54
   15.00  -68.87   70.70  -69.88   38.73
   16.00  -69.72   85.70  -66.84   52.79
   17.00  -70.55  100.70  -64.16   65.05
   18.00  -70.27  115.70  -60.92   74.48
   19.00  -69.49  130.70  -57.79   83.16
   20.00  -68.65  145.70  -55.18   92.02
   21.00  -67.75  160.70  -53.06  101.21
   22.00  -66.56  175.70  -51.11  110.70
   23.00  -65.31  190.70  -49.63  120.55
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.96  205.70  -54.58  130.09
    1.00  -71.31  220.70  -56.74  138.83
    2.00  -72.54  235.70  -59.21  147.07
    3.00  -77.04  250.70  -64.91  151.03
    4.00  -79.37  265.70  -68.64  154.10
    5.00  -79.80  280.70  -70.95  158.86
    6.00  -79.25  295.70  -72.95  165.60
    7.00  -78.80  310.70  -75.38  171.95
    8.00  -79.25  325.70  -78.35  173.30
    9.00  -79.11  340.70  -81.26  174.64
   10.00  -79.12  355.70  -84.12  168.07
   11.00  -78.72   10.70  -86.60  144.25
   12.00  -78.68   25.70  -86.11   92.45
   13.00  -78.25   40.70  -83.38   69.84
   14.00  -78.05   55.70  -79.92   67.11
   15.00  -77.52   70.70  -76.29   68.14
   16.00  -77.50   85.70  -73.01   73.60
   17.00  -76.89  100.70  -69.63   78.22
   18.00  -76.94  115.70  -67.10   85.13
   19.00  -75.92  130.70  -64.07   90.65
   20.00  -75.14  145.70  -61.67   97.38
   21.00  -73.32  160.70  -58.67  104.15
   22.00  -71.56  175.70  -56.15  112.08
   23.00  -70.31  190.70  -54.63  120.91
</PRE>


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