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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>
10 Apr 1997 22:47:41 yearsecs   8635661
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.74   88.46  -56.46   40.31
    1.00  -61.99  103.46  -54.74   55.02
    2.00  -62.79  118.46  -52.77   68.06
    3.00  -67.87  133.46  -55.77   83.44
    4.00  -67.42  148.46  -53.67   92.99
    5.00  -68.00  163.46  -53.14  103.12
    6.00  -67.85  178.46  -52.33  112.83
    7.00  -68.12  193.46  -52.45  122.51
    8.00  -69.14  208.46  -53.90  131.92
    9.00  -69.38  223.46  -55.12  141.23
   10.00  -69.01  238.46  -56.26  150.92
   11.00  -69.13  253.46  -58.27  160.56
   12.00  -69.12  268.46  -60.55  170.45
   13.00  -69.34  283.46  -63.43  180.21
   14.00  -69.79  298.46  -66.92  189.73
   15.00  -69.73  313.46  -70.38  200.76
   16.00  -69.66  328.46  -74.08  213.55
   17.00  -69.56  343.46  -77.81  230.19
   18.00  -71.10  358.46  -82.61  248.16
   19.00  -70.77   13.46  -84.49  295.47
   20.00  -69.95   28.46  -82.16  344.40
   21.00  -68.53   43.46  -77.06    8.18
   22.00  -65.02   58.46  -69.05   18.38
   23.00  -62.62   73.46  -62.24   29.21
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.74   88.46  -62.14   47.61
    1.00  -66.99  103.46  -60.06   61.45
    2.00  -67.79  118.46  -57.96   73.26
    3.00  -74.72  133.46  -62.59   90.50
    4.00  -77.05  148.46  -63.30  100.69
    5.00  -77.43  163.46  -62.64  108.24
    6.00  -76.36  178.46  -60.93  115.14
    7.00  -74.78  193.46  -59.15  122.74
    8.00  -74.64  208.46  -59.33  130.85
    9.00  -74.38  223.46  -59.89  139.10
   10.00  -74.01  238.46  -60.85  147.61
   11.00  -74.29  253.46  -62.83  155.67
   12.00  -74.89  268.46  -65.44  163.08
   13.00  -74.85  283.46  -67.89  171.17
   14.00  -74.79  298.46  -70.72  179.28
   15.00  -74.73  313.46  -73.89  187.55
   16.00  -74.66  328.46  -77.35  196.36
   17.00  -74.56  343.46  -81.03  206.67
   18.00  -76.10  358.46  -85.35  201.82
   19.00  -76.58   13.46  -88.90  162.47
   20.00  -75.70   28.46  -86.60   38.58
   21.00  -73.53   43.46  -81.41   30.68
   22.00  -70.02   58.46  -74.34   30.59
   23.00  -67.62   73.46  -67.88   38.30
</PRE>


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