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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>
16 Apr 1997 01:11:44 yearsecs   9076304
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.27   52.60  -69.77   10.45
    1.00  -64.57   67.60  -66.08   26.86
    2.00  -65.69   82.60  -63.51   42.56
    3.00  -66.84   97.60  -61.18   56.75
    4.00  -66.83  112.60  -58.05   67.98
    5.00  -67.97  127.60  -56.68   79.65
    6.00  -68.51  142.60  -55.35   89.92
    7.00  -69.67  157.60  -55.22  100.20
    8.00  -71.78  172.60  -56.49  110.31
    9.00  -71.01  187.60  -55.34  119.09
   10.00  -69.92  202.60  -54.43  128.19
   11.00  -69.04  217.60  -54.34  137.66
   12.00  -68.52  232.60  -55.17  147.40
   13.00  -68.34  247.60  -56.78  157.30
   14.00  -68.49  262.60  -59.06  167.16
   15.00  -68.96  277.60  -62.00  176.75
   16.00  -69.44  292.60  -65.36  186.27
   17.00  -69.39  307.60  -68.70  197.03
   18.00  -69.39  322.60  -72.39  208.96
   19.00  -68.53  337.60  -75.52  226.17
   20.00  -67.48  352.60  -78.16  250.54
   21.00  -66.74    7.60  -79.80  284.35
   22.00  -66.19   22.60  -78.92  322.94
   23.00  -65.37   37.60  -75.07  351.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.60   52.60  -76.53   26.52
    1.00  -71.89   67.60  -73.47   44.58
    2.00  -72.81   82.60  -70.36   57.90
    3.00  -78.39   97.60  -71.27   80.93
    4.00  -80.35  112.60  -70.28   91.44
    5.00  -80.84  127.60  -68.84   97.59
    6.00  -80.28  142.60  -66.90  102.12
    7.00  -79.60  157.60  -65.14  107.38
    8.00  -79.30  172.60  -64.11  113.64
    9.00  -79.20  187.60  -63.68  120.26
   10.00  -78.87  202.60  -63.43  127.03
   11.00  -78.84  217.60  -63.92  133.86
   12.00  -79.02  232.60  -65.00  140.47
   13.00  -78.75  247.60  -66.08  147.42
   14.00  -78.49  262.60  -67.56  154.41
   15.00  -78.23  277.60  -69.43  161.37
   16.00  -77.98  292.60  -71.69  168.22
   17.00  -77.71  307.60  -74.30  174.93
   18.00  -78.78  322.60  -77.65  175.14
   19.00  -79.05  337.60  -80.65  175.26
   20.00  -78.27  352.60  -83.80  178.37
   21.00  -76.44    7.60  -87.66  193.11
   22.00  -73.57   22.60  -86.87  346.50
   23.00  -71.84   37.60  -81.79   12.43
</PRE>


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