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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>
28 May 1997 16:30:00 yearsecs  12760200
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.93  187.07  -48.26  117.94
    1.00  -63.80  202.07  -48.40  128.26
    2.00  -64.61  217.07  -50.07  138.43
    3.00  -65.41  232.07  -52.23  148.44
    4.00  -65.16  247.07  -53.83  158.98
    5.00  -66.28  262.07  -57.02  168.76
    6.00  -66.51  277.07  -59.77  179.21
    7.00  -66.36  292.07  -62.62  190.36
    8.00  -66.89  307.07  -66.49  201.12
    9.00  -66.51  322.07  -69.90  214.72
   10.00  -66.08  337.07  -73.31  231.53
   11.00  -65.93  352.07  -76.60  253.42
   12.00  -66.00    7.07  -78.97  284.13
   13.00  -66.29   22.07  -79.09  321.72
   14.00  -66.81   37.07  -76.84  353.69
   15.00  -67.55   52.07  -73.66   16.70
   16.00  -68.53   67.07  -70.52   34.65
   17.00  -69.65   82.07  -67.68   49.86
   18.00  -69.51   97.07  -63.96   60.72
   19.00  -68.91  112.07  -60.26   70.26
   20.00  -67.70  127.07  -56.49   79.03
   21.00  -66.63  142.07  -53.49   88.20
   22.00  -65.54  157.07  -51.07   97.73
   23.00  -64.52  172.07  -49.19  107.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.40  187.07  -58.77  119.23
    1.00  -75.31  202.07  -59.80  127.31
    2.00  -76.14  217.07  -61.21  134.89
    3.00  -78.26  232.07  -64.25  140.90
    4.00  -80.33  247.07  -67.40  145.03
    5.00  -80.90  262.07  -69.38  149.69
    6.00  -80.37  277.07  -70.83  156.13
    7.00  -79.85  292.07  -72.68  162.54
    8.00  -80.40  307.07  -75.33  164.68
    9.00  -79.99  322.07  -77.80  169.08
   10.00  -79.73  337.07  -80.52  170.83
   11.00  -80.12  352.07  -83.03  162.47
   12.00  -80.11    7.07  -84.97  143.77
   13.00  -79.99   22.07  -85.27  110.50
   14.00  -80.10   37.07  -83.35   88.60
   15.00  -79.87   52.07  -80.72   79.29
   16.00  -79.90   67.07  -77.78   78.84
   17.00  -79.17   82.07  -74.62   78.40
   18.00  -79.09   97.07  -71.82   82.79
   19.00  -79.16  112.07  -69.47   88.36
   20.00  -78.45  127.07  -66.84   92.89
   21.00  -76.77  142.07  -63.61   97.30
   22.00  -75.64  157.07  -61.24  103.74
   23.00  -74.68  172.07  -59.45  111.14
</PRE>


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