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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>
27 Aug 1997 21:37:58 yearsecs  20641078
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.40  105.23  -59.08   61.97
    1.00  -66.42  120.23  -56.26   73.00
    2.00  -67.16  135.23  -54.82   84.01
    3.00  -67.89  150.23  -53.99   94.44
    4.00  -67.43  165.23  -52.46  104.04
    5.00  -68.00  180.23  -52.44  114.00
    6.00  -67.84  195.23  -52.20  123.63
    7.00  -68.10  210.23  -52.97  133.20
    8.00  -69.10  225.23  -55.00  142.45
    9.00  -69.46  240.23  -56.88  151.78
   10.00  -69.26  255.23  -58.64  161.60
   11.00  -69.05  270.23  -60.78  171.70
   12.00  -69.06  285.23  -63.54  181.79
   13.00  -69.31  300.23  -66.92  191.83
   14.00  -69.78  315.23  -70.85  202.02
   15.00  -70.48  330.23  -75.14  212.84
   16.00  -71.14  345.23  -79.45  226.41
   17.00  -71.27    0.23  -83.14  251.17
   18.00  -71.43   15.23  -85.24  301.83
   19.00  -70.79   30.23  -82.65  352.10
   20.00  -69.97   45.23  -78.02   15.38
   21.00  -69.19   60.23  -73.06   29.88
   22.00  -68.55   75.23  -68.37   41.88
   23.00  -67.62   90.23  -63.68   52.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.17  105.23  -65.64   72.59
    1.00  -74.20  120.23  -63.94   82.74
    2.00  -74.92  135.23  -62.56   91.66
    3.00  -79.74  150.23  -65.78  104.46
    4.00  -81.41  165.23  -66.54  112.12
    5.00  -81.77  180.23  -66.44  118.01
    6.00  -81.19  195.23  -65.73  123.67
    7.00  -80.31  210.23  -65.09  129.96
    8.00  -80.37  225.23  -65.82  136.14
    9.00  -80.38  240.23  -66.86  142.23
   10.00  -79.99  255.23  -67.92  148.79
   11.00  -79.87  270.23  -69.59  154.83
   12.00  -80.17  285.23  -71.84  159.39
   13.00  -80.05  300.23  -74.08  164.33
   14.00  -79.91  315.23  -76.57  168.42
   15.00  -79.76  330.23  -79.26  170.94
   16.00  -79.60  345.23  -82.05  170.03
   17.00  -79.43    0.23  -84.70  160.24
   18.00  -80.39   15.23  -85.05  126.14
   19.00  -80.63   30.23  -83.92  100.08
   20.00  -79.93   45.23  -82.01   81.83
   21.00  -78.30   60.23  -78.93   69.33
   22.00  -75.81   75.23  -74.33   63.07
   23.00  -74.32   90.23  -69.79   66.47
</PRE>


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