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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>
27 Mar 1997 23:56:53 yearsecs   7430213
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.11   73.37  -64.04   31.53
    1.00  -65.24   88.37  -61.62   46.73
    2.00  -66.05  103.37  -59.11   60.08
    3.00  -67.63  118.37  -57.81   73.02
    4.00  -67.22  133.37  -55.12   82.82
    5.00  -67.86  148.37  -54.12   93.21
    6.00  -67.74  163.37  -52.88  102.95
    7.00  -67.89  178.37  -52.37  112.77
    8.00  -68.80  193.37  -53.13  122.48
    9.00  -69.00  208.37  -53.76  131.88
   10.00  -68.77  223.37  -54.54  141.39
   11.00  -68.58  238.37  -55.86  151.11
   12.00  -68.62  253.37  -57.81  160.91
   13.00  -68.88  268.37  -60.32  170.64
   14.00  -69.36  283.37  -63.43  180.12
   15.00  -70.07  298.37  -67.12  189.18
   16.00  -70.80  313.37  -71.18  198.27
   17.00  -71.11  328.37  -75.13  209.25
   18.00  -71.18  343.37  -79.01  223.98
   19.00  -70.57  358.37  -82.14  250.60
   20.00  -69.72   13.37  -83.34  296.63
   21.00  -68.89   28.37  -81.05  341.06
   22.00  -67.40   43.37  -75.88    4.99
   23.00  -65.47   58.37  -69.60   19.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.11   73.37  -69.40   41.59
    1.00  -70.24   88.37  -66.68   55.84
    2.00  -71.05  103.37  -64.07   67.68
    3.00  -76.72  118.37  -66.50   85.96
    4.00  -78.83  133.37  -66.45   96.18
    5.00  -79.18  148.37  -65.38  103.01
    6.00  -78.35  163.37  -63.56  108.86
    7.00  -77.22  178.37  -61.81  115.39
    8.00  -77.27  193.37  -61.68  122.77
    9.00  -77.13  208.37  -61.82  130.17
   10.00  -77.14  223.37  -62.56  137.55
   11.00  -77.22  238.37  -63.80  144.83
   12.00  -77.57  253.37  -65.67  151.63
   13.00  -77.42  268.37  -67.47  158.88
   14.00  -77.33  283.37  -69.70  165.90
   15.00  -77.16  298.37  -72.24  172.91
   16.00  -77.13  313.37  -75.17  179.27
   17.00  -76.95  328.37  -78.32  185.75
   18.00  -78.00  343.37  -81.85  182.48
   19.00  -78.18  358.37  -85.02  175.44
   20.00  -77.31   13.37  -88.22  146.27
   21.00  -75.33   28.37  -86.54   31.91
   22.00  -72.40   43.37  -80.64   23.83
   23.00  -70.47   58.37  -74.78   31.93
</PRE>


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