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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 Jul 1997 19:58:12 yearsecs  16315092
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.14  128.30  -54.71   78.41
    1.00  -66.19  143.30  -52.92   88.74
    2.00  -66.98  158.30  -52.44   99.26
    3.00  -67.76  173.30  -52.42  109.45
    4.00  -67.36  188.30  -51.68  119.13
    5.00  -68.00  203.30  -52.56  128.80
    6.00  -67.91  218.30  -53.32  138.42
    7.00  -68.27  233.30  -55.02  147.98
    8.00  -69.39  248.30  -57.81  157.00
    9.00  -69.94  263.30  -60.44  166.19
   10.00  -69.81  278.30  -62.85  176.14
   11.00  -69.39  293.30  -65.46  186.85
   12.00  -69.27  308.30  -68.76  197.80
   13.00  -69.40  323.30  -72.58  209.55
   14.00  -69.79  338.30  -76.69  223.19
   15.00  -70.43  353.30  -80.89  241.48
   16.00  -71.05    8.30  -84.35  275.56
   17.00  -71.14   23.30  -84.32  333.56
   18.00  -71.27   38.30  -81.10   10.57
   19.00  -70.59   53.30  -76.32   27.24
   20.00  -69.74   68.30  -71.37   38.85
   21.00  -68.92   83.30  -66.66   49.26
   22.00  -68.27   98.30  -62.46   59.52
   23.00  -67.35  113.30  -58.45   69.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.80  128.30  -61.40   85.33
    1.00  -73.87  143.30  -60.66   94.88
    2.00  -74.62  158.30  -60.13  103.65
    3.00  -79.55  173.30  -64.34  114.08
    4.00  -81.26  188.30  -65.81  120.95
    5.00  -81.64  203.30  -66.28  126.76
    6.00  -81.07  218.30  -66.16  132.84
    7.00  -80.20  233.30  -66.17  139.62
    8.00  -80.29  248.30  -67.49  145.57
    9.00  -80.32  263.30  -69.08  151.31
   10.00  -80.13  278.30  -70.84  157.16
   11.00  -80.24  293.30  -73.08  161.71
   12.00  -80.45  308.30  -75.55  164.76
   13.00  -80.24  323.30  -78.05  167.91
   14.00  -80.04  338.30  -80.71  168.64
   15.00  -79.84  353.30  -83.36  163.72
   16.00  -79.65    8.30  -85.51  144.09
   17.00  -79.44   23.30  -85.72  104.73
   18.00  -80.37   38.30  -83.00   89.59
   19.00  -80.59   53.30  -80.36   83.69
   20.00  -79.86   68.30  -77.53   78.77
   21.00  -78.20   83.30  -73.90   75.16
   22.00  -75.61   98.30  -69.10   73.96
   23.00  -74.00  113.30  -64.89   78.63
</PRE>


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