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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>
02 Apr 1997 14:22:40 yearsecs   7914160
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.72  220.30  -45.65  141.86
    1.00  -60.39  235.30  -47.88  152.77
    2.00  -61.06  250.30  -50.50  163.69
    3.00  -61.73  265.30  -53.45  174.68
    4.00  -60.84  280.30  -55.30  187.16
    5.00  -61.84  295.30  -59.27  198.35
    6.00  -62.99  310.30  -63.82  209.68
    7.00  -63.69  325.30  -68.22  222.88
    8.00  -63.84  340.30  -72.04  240.03
    9.00  -63.50  355.30  -74.83  263.63
   10.00  -63.08   10.30  -75.99  294.52
   11.00  -62.89   25.30  -74.70  326.78
   12.00  -62.93   40.30  -71.45  352.41
   13.00  -63.18   55.30  -67.72   11.72
   14.00  -63.67   70.30  -64.31   27.90
   15.00  -64.37   85.30  -61.41   42.72
   16.00  -65.31  100.30  -58.99   56.64
   17.00  -66.46  115.30  -57.17   69.51
   18.00  -66.44  130.30  -54.74   80.07
   19.00  -65.77  145.30  -52.28   89.82
   20.00  -64.18  160.30  -49.47   99.36
   21.00  -63.07  175.30  -47.61  109.56
   22.00  -61.49  190.30  -45.83  119.99
   23.00  -60.34  205.30  -45.17  130.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.46  220.30  -55.90  138.89
    1.00  -71.09  235.30  -57.82  147.73
    2.00  -71.97  250.30  -60.37  156.15
    3.00  -72.65  265.30  -63.08  164.37
    4.00  -74.55  280.30  -67.10  170.03
    5.00  -75.71  295.30  -70.72  175.39
    6.00  -75.69  310.30  -73.77  182.84
    7.00  -75.02  325.30  -76.78  193.03
    8.00  -75.50  340.30  -80.62  198.88
    9.00  -75.64  355.30  -84.46  206.01
   10.00  -75.44   10.30  -88.37  224.98
   11.00  -75.13   25.30  -87.31   23.26
   12.00  -74.87   40.30  -83.04   37.68
   13.00  -74.83   55.30  -78.87   47.90
   14.00  -74.72   70.30  -74.86   56.36
   15.00  -74.26   85.30  -70.86   63.49
   16.00  -74.19  100.30  -67.53   71.81
   17.00  -73.16  115.30  -63.77   78.40
   18.00  -73.00  130.30  -61.32   86.70
   19.00  -73.37  145.30  -59.97   95.52
   20.00  -72.88  160.30  -58.26  103.66
   21.00  -71.39  175.30  -55.99  111.79
   22.00  -71.22  190.30  -55.55  120.73
   23.00  -70.05  205.30  -54.66  129.83
</PRE>


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