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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>
24 May 1997 18:58:28 yearsecs  12423508
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.12  142.17  -49.86   85.96
    1.00  -63.17  157.17  -48.64   96.71
    2.00  -63.89  172.17  -48.55  107.57
    3.00  -64.59  187.17  -48.91  118.08
    4.00  -64.28  202.17  -48.87  128.31
    5.00  -65.42  217.17  -50.85  138.31
    6.00  -65.60  232.17  -52.42  148.43
    7.00  -65.29  247.17  -53.96  158.98
    8.00  -65.67  262.17  -56.50  169.33
    9.00  -66.14  277.17  -59.47  179.68
   10.00  -66.18  292.17  -62.48  190.68
   11.00  -65.54  307.17  -65.35  203.33
   12.00  -65.50  322.17  -69.05  216.69
   13.00  -65.73  337.17  -73.02  232.41
   14.00  -66.21  352.17  -76.89  252.97
   15.00  -66.92    7.17  -79.96  282.97
   16.00  -67.87   22.17  -80.87  323.32
   17.00  -68.97   37.17  -79.16  359.48
   18.00  -68.91   52.17  -75.04   20.52
   19.00  -68.28   67.17  -70.24   34.13
   20.00  -67.04   82.17  -65.05   44.62
   21.00  -65.92   97.17  -60.32   55.01
   22.00  -64.78  112.17  -56.01   65.26
   23.00  -63.68  127.17  -52.32   75.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.55  142.17  -56.45   90.45
    1.00  -70.77  157.17  -56.35  100.56
    2.00  -71.86  172.17  -56.59  110.09
    3.00  -74.15  187.17  -58.52  119.25
    4.00  -76.95  202.17  -61.46  127.14
    5.00  -77.81  217.17  -62.86  134.19
    6.00  -77.12  232.17  -63.17  141.89
    7.00  -76.46  247.17  -64.00  149.96
    8.00  -77.40  262.17  -66.62  156.01
    9.00  -76.89  277.17  -68.38  163.99
   10.00  -75.94  292.17  -70.28  173.27
   11.00  -75.99  307.17  -73.28  180.40
   12.00  -75.98  322.17  -76.53  187.53
   13.00  -75.87  337.17  -79.99  195.08
   14.00  -76.07  352.17  -83.75  200.12
   15.00  -75.71    7.17  -87.59  212.13
   16.00  -75.73   22.17  -88.34   34.92
   17.00  -74.48   37.17  -83.73   31.17
   18.00  -74.46   52.17  -79.53   43.79
   19.00  -74.90   67.17  -75.77   55.26
   20.00  -74.11   82.17  -71.49   61.26
   21.00  -71.99   97.17  -66.26   65.40
   22.00  -70.88  112.17  -62.16   73.07
   23.00  -69.84  127.17  -58.63   81.27
</PRE>


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