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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>
19 Feb 1997 14:26:31 yearsecs   4285591
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.07  216.78  -51.45  137.90
    1.00  -66.13  231.78  -52.88  147.94
    2.00  -66.93  246.78  -55.40  157.69
    3.00  -67.73  261.78  -58.26  167.31
    4.00  -67.33  276.78  -60.44  178.10
    5.00  -67.99  291.78  -63.96  187.90
    6.00  -67.93  306.78  -67.30  199.12
    7.00  -68.32  321.78  -71.33  210.73
    8.00  -69.32  336.78  -75.94  222.96
    9.00  -69.83  351.78  -80.04  241.40
   10.00  -69.45    6.78  -82.54  276.39
   11.00  -69.12   21.78  -82.30  323.80
   12.00  -69.04   36.78  -79.33  359.02
   13.00  -69.21   51.78  -75.44   20.96
   14.00  -69.62   66.78  -71.67   37.19
   15.00  -70.27   81.78  -68.34   51.05
   16.00  -70.91   96.78  -65.35   63.06
   17.00  -71.01  111.78  -62.36   73.02
   18.00  -71.14  126.78  -59.98   82.47
   19.00  -70.46  141.78  -57.42   90.95
   20.00  -69.61  156.78  -55.21   99.65
   21.00  -68.81  171.78  -53.54  108.80
   22.00  -68.19  186.78  -52.52  118.25
   23.00  -67.28  201.78  -51.80  127.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.52  216.78  -59.60  135.39
    1.00  -75.58  231.78  -61.69  142.84
    2.00  -76.35  246.78  -63.85  149.89
    3.00  -80.80  261.78  -69.28  149.78
    4.00  -82.38  276.78  -72.04  150.66
    5.00  -82.78  291.78  -74.00  152.67
    6.00  -82.38  306.78  -75.81  156.44
    7.00  -81.82  321.78  -77.88  159.83
    8.00  -81.70  336.78  -80.09  158.60
    9.00  -81.58  351.78  -82.15  152.38
   10.00  -81.29    6.78  -83.81  138.42
   11.00  -81.24   21.78  -84.01  115.18
   12.00  -81.34   36.78  -82.58   97.47
   13.00  -81.11   51.78  -80.49   87.37
   14.00  -80.88   66.78  -77.94   83.91
   15.00  -80.65   81.78  -75.26   84.29
   16.00  -80.42   96.78  -72.67   86.87
   17.00  -80.19  111.78  -70.28   90.76
   18.00  -81.02  126.78  -69.08   97.70
   19.00  -81.20  141.78  -67.81  103.22
   20.00  -80.57  156.78  -66.15  108.04
   21.00  -79.12  171.78  -63.96  113.17
   22.00  -76.84  186.78  -61.27  119.46
   23.00  -75.48  201.78  -59.97  127.14
</PRE>


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