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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>
30 Jul 1997 18:56:04 yearsecs  18212164
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.12  145.71  -51.58   89.69
    1.00  -64.75  160.71  -50.02   99.88
    2.00  -65.89  175.71  -50.44  110.53
    3.00  -67.02  190.71  -51.35  120.67
    4.00  -67.01  205.71  -51.68  130.44
    5.00  -68.14  220.71  -53.71  139.90
    6.00  -68.49  235.71  -55.47  149.43
    7.00  -68.60  250.71  -57.42  159.16
    8.00  -69.52  265.71  -60.45  168.19
    9.00  -69.57  280.71  -63.09  178.05
   10.00  -69.47  295.71  -66.05  188.37
   11.00  -68.66  310.71  -68.85  200.83
   12.00  -68.29  325.71  -72.30  214.40
   13.00  -68.22  340.71  -76.03  230.81
   14.00  -68.42  355.71  -79.67  253.47
   15.00  -68.87   10.71  -82.30  289.38
   16.00  -69.57   25.71  -82.26  335.98
   17.00  -70.33   40.71  -79.59   10.22
   18.00  -69.90   55.71  -75.01   27.44
   19.00  -69.05   70.71  -70.06   39.18
   20.00  -67.84   85.71  -64.99   49.05
   21.00  -67.10  100.71  -60.76   59.52
   22.00  -66.30  115.71  -56.93   69.62
   23.00  -65.61  130.71  -53.82   79.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.75  145.71  -58.30   94.37
    1.00  -72.89  160.71  -58.24  103.89
    2.00  -73.95  175.71  -58.57  112.86
    3.00  -77.44  190.71  -61.85  121.48
    4.00  -79.68  205.71  -64.32  128.24
    5.00  -80.16  220.71  -65.37  134.42
    6.00  -79.63  235.71  -65.81  141.22
    7.00  -79.17  250.71  -66.76  148.19
    8.00  -79.70  265.71  -68.89  153.46
    9.00  -79.46  280.71  -70.74  159.70
   10.00  -79.69  295.71  -73.18  164.20
   11.00  -79.46  310.71  -75.63  169.31
   12.00  -79.36  325.71  -78.37  172.72
   13.00  -79.05  340.71  -81.27  175.05
   14.00  -78.94  355.71  -84.20  169.78
   15.00  -78.50   10.71  -86.81  146.01
   16.00  -78.51   25.71  -86.24   90.62
   17.00  -77.83   40.71  -83.44   65.83
   18.00  -77.85   55.71  -79.89   65.91
   19.00  -77.39   70.71  -76.24   67.56
   20.00  -76.67   85.71  -72.49   70.90
   21.00  -74.84  100.71  -67.99   73.44
   22.00  -73.30  115.71  -63.83   78.85
   23.00  -72.09  130.71  -60.38   85.89
</PRE>


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