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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>
04 Nov 1997 11:03:48 yearsecs  26564628
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.13  258.96  -51.88  170.22
    1.00  -61.76  273.96  -54.97  181.36
    2.00  -62.39  288.96  -58.42  192.62
    3.00  -63.03  303.96  -62.32  204.16
    4.00  -62.37  318.96  -65.41  218.52
    5.00  -63.56  333.96  -70.26  232.62
    6.00  -64.40  348.96  -74.50  251.43
    7.00  -64.48    3.96  -77.07  279.19
    8.00  -65.04   18.96  -77.96  313.79
    9.00  -64.42   33.96  -74.81  344.31
   10.00  -64.02   48.96  -70.48    5.64
   11.00  -63.84   63.96  -66.18   21.97
   12.00  -63.88   78.96  -62.38   36.29
   13.00  -64.14   93.96  -59.14   49.79
   14.00  -64.63  108.96  -56.48   62.61
   15.00  -65.34  123.96  -54.54   74.60
   16.00  -66.27  138.96  -53.47   85.84
   17.00  -67.43  153.96  -53.22   96.62
   18.00  -67.30  168.96  -52.14  106.45
   19.00  -66.78  183.96  -51.14  116.22
   20.00  -65.32  198.96  -49.78  126.09
   21.00  -64.21  213.96  -49.46  136.38
   22.00  -62.82  228.96  -49.47  147.25
   23.00  -61.66  243.96  -50.18  158.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.71  258.96  -58.70  164.53
    1.00  -69.63  273.96  -61.92  173.50
    2.00  -70.63  288.96  -65.59  181.93
    3.00  -71.54  303.96  -69.53  190.07
    4.00  -74.09  318.96  -74.77  192.78
    5.00  -75.04  333.96  -78.88  197.83
    6.00  -75.13  348.96  -82.67  206.63
    7.00  -74.49    3.96  -86.32  230.72
    8.00  -75.40   18.96  -89.10    7.25
    9.00  -75.32   33.96  -84.98   37.09
   10.00  -75.27   48.96  -80.82   46.63
   11.00  -75.02   63.96  -76.68   53.96
   12.00  -74.69   78.96  -72.69   61.19
   13.00  -74.61   93.96  -69.20   69.26
   14.00  -74.63  108.96  -66.24   77.40
   15.00  -74.15  123.96  -63.32   84.68
   16.00  -74.04  138.96  -61.28   92.67
   17.00  -72.58  153.96  -58.41   99.81
   18.00  -72.30  168.96  -57.18  108.38
   19.00  -72.88  183.96  -57.28  117.24
   20.00  -72.21  198.96  -56.62  125.85
   21.00  -70.24  213.96  -55.27  135.08
   22.00  -69.71  228.96  -55.92  144.53
   23.00  -68.55  243.96  -56.50  154.77
</PRE>


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