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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>
08 Aug 1997 13:43:44 yearsecs  18971024
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.05  232.27  -50.05  149.53
    1.00  -63.49  247.27  -52.33  160.10
    2.00  -64.07  262.27  -55.09  170.66
    3.00  -64.65  277.27  -58.17  181.28
    4.00  -64.37  292.27  -60.90  193.02
    5.00  -65.64  307.27  -65.45  203.27
    6.00  -65.93  322.27  -69.45  216.01
    7.00  -65.80  337.27  -73.10  232.39
    8.00  -66.63  352.27  -77.30  252.15
    9.00  -66.02    7.27  -79.01  284.59
   10.00  -65.60   22.27  -78.28  321.78
   11.00  -65.40   37.27  -75.18  351.37
   12.00  -65.42   52.27  -71.22   12.20
   13.00  -65.66   67.27  -67.41   28.57
   14.00  -66.13   82.27  -64.06   43.04
   15.00  -66.82   97.27  -61.23   56.45
   16.00  -67.74  112.27  -59.04   68.88
   17.00  -68.68  127.27  -57.46   80.14
   18.00  -68.52  142.27  -55.40   89.71
   19.00  -68.18  157.27  -53.73   99.19
   20.00  -66.88  172.27  -51.56  108.50
   21.00  -65.80  187.27  -50.12  118.28
   22.00  -64.65  202.27  -49.24  128.35
   23.00  -63.50  217.27  -49.03  138.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.91  232.27  -55.50  147.00
    1.00  -70.15  247.27  -58.36  155.78
    2.00  -71.19  262.27  -61.36  164.22
    3.00  -72.56  277.27  -64.97  171.60
    4.00  -75.56  292.27  -70.04  174.22
    5.00  -76.54  307.27  -73.62  178.71
    6.00  -75.58  322.27  -76.36  189.16
    7.00  -74.56  337.27  -79.47  202.33
    8.00  -75.98  352.27  -83.75  201.05
    9.00  -75.82    7.27  -87.63  209.28
   10.00  -76.08   22.27  -88.31   47.84
   11.00  -75.99   37.27  -84.24   46.69
   12.00  -75.69   52.27  -80.10   51.15
   13.00  -75.57   67.27  -76.15   58.13
   14.00  -75.81   82.27  -72.68   66.52
   15.00  -75.41   97.27  -69.14   72.94
   16.00  -75.31  112.27  -66.25   80.40
   17.00  -73.68  127.27  -62.40   85.85
   18.00  -73.52  142.27  -60.41   93.96
   19.00  -74.30  157.27  -59.89  102.87
   20.00  -73.54  172.27  -58.29  110.78
   21.00  -71.23  187.27  -55.57  118.92
   22.00  -70.19  202.27  -54.69  127.96
   23.00  -69.17  217.27  -54.44  137.42
</PRE>


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