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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>
12 Sep 1997 20:07:04 yearsecs  22018024
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.68  127.33  -51.24   74.76
    1.00  -63.21  142.33  -49.94   86.13
    2.00  -63.75  157.33  -49.22   97.09
    3.00  -64.28  172.33  -48.94  107.79
    4.00  -63.99  187.33  -48.31  118.13
    5.00  -65.30  202.33  -49.88  128.36
    6.00  -65.67  217.33  -51.10  138.36
    7.00  -65.55  232.33  -52.39  148.57
    8.00  -66.25  247.33  -54.86  158.50
    9.00  -65.61  262.33  -56.48  169.49
   10.00  -65.24  277.33  -58.71  180.73
   11.00  -65.01  292.33  -61.48  192.30
   12.00  -65.04  307.33  -64.95  204.22
   13.00  -65.30  322.33  -68.92  217.19
   14.00  -65.79  337.33  -73.11  232.50
   15.00  -66.49  352.33  -77.19  252.59
   16.00  -67.42    7.33  -80.50  282.54
   17.00  -68.35   22.33  -81.39  324.34
   18.00  -68.15   37.33  -78.26  357.39
   19.00  -67.92   52.33  -73.97   17.95
   20.00  -66.59   67.33  -68.41   30.50
   21.00  -65.49   82.33  -63.35   41.97
   22.00  -64.31   97.33  -58.57   52.84
   23.00  -63.12  112.33  -54.23   63.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.54  127.33  -58.31   81.07
    1.00  -70.80  142.33  -57.69   91.56
    2.00  -71.85  157.33  -57.43  101.31
    3.00  -72.97  172.33  -57.70  110.60
    4.00  -75.97  187.33  -60.37  119.60
    5.00  -77.05  202.33  -61.57  127.21
    6.00  -76.28  217.33  -61.36  134.97
    7.00  -75.46  232.33  -61.62  143.22
    8.00  -76.51  247.33  -64.06  149.99
    9.00  -76.08  262.33  -65.54  158.11
   10.00  -76.07  277.33  -67.78  165.67
   11.00  -75.78  292.33  -70.20  173.74
   12.00  -75.44  307.33  -72.99  182.13
   13.00  -75.34  322.33  -76.25  190.17
   14.00  -75.60  337.33  -79.93  196.72
   15.00  -75.20  352.33  -83.56  208.39
   16.00  -75.08    7.33  -87.47  227.66
   17.00  -73.35   22.33  -86.71  342.98
   18.00  -73.15   37.33  -82.88   20.41
   19.00  -74.06   52.33  -79.25   41.70
   20.00  -73.46   67.33  -74.76   49.79
   21.00  -71.30   82.33  -69.13   53.87
   22.00  -70.52   97.33  -64.86   62.70
   23.00  -69.72  112.33  -61.00   71.54
</PRE>


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