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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>
26 Oct 1997 11:07:34 yearsecs  25787254
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.20  258.74  -48.14  172.37
    1.00  -58.52  273.74  -51.96  183.67
    2.00  -59.31  288.74  -55.54  195.43
    3.00  -67.22  303.74  -65.98  197.96
    4.00  -67.37  318.74  -69.78  210.02
    5.00  -68.30  333.74  -74.35  222.46
    6.00  -68.79  348.74  -78.45  240.23
    7.00  -68.55    3.74  -81.22  270.79
    8.00  -68.90   18.74  -82.33  314.34
    9.00  -69.12   33.74  -80.15  353.51
   10.00  -68.81   48.74  -75.90   16.09
   11.00  -68.41   63.74  -71.31   31.24
   12.00  -68.28   78.74  -67.19   44.23
   13.00  -68.41   93.74  -63.65   56.34
   14.00  -68.80  108.74  -60.79   67.82
   15.00  -69.40  123.74  -58.72   78.60
   16.00  -69.27  138.74  -56.55   88.05
   17.00  -68.95  153.74  -54.78   97.35
   18.00  -70.27  168.74  -55.15  107.41
   19.00  -69.61  183.74  -53.99  116.53
   20.00  -68.82  198.74  -53.23  125.85
   21.00  -66.54  213.74  -51.68  135.77
   22.00  -62.28  228.74  -48.94  147.27
   23.00  -59.46  243.74  -48.07  159.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.20  258.74  -52.83  169.35
    1.00  -63.52  273.74  -56.53  179.67
    2.00  -64.31  288.74  -60.10  190.36
    3.00  -72.22  303.74  -70.00  188.42
    4.00  -74.29  318.74  -74.84  191.97
    5.00  -75.55  333.74  -79.04  195.16
    6.00  -74.79  348.74  -82.48  209.07
    7.00  -73.55    3.74  -85.70  242.29
    8.00  -73.90   18.74  -87.79  326.88
    9.00  -74.12   33.74  -84.50   23.34
   10.00  -73.98   48.74  -80.21   38.40
   11.00  -74.25   63.74  -76.26   50.48
   12.00  -74.76   78.74  -72.80   61.29
   13.00  -74.65   93.74  -69.28   69.23
   14.00  -74.53  108.74  -66.18   77.09
   15.00  -74.40  123.74  -63.59   84.91
   16.00  -74.27  138.74  -61.53   92.79
   17.00  -73.95  153.74  -59.81  100.68
   18.00  -75.28  168.74  -60.20  109.63
   19.00  -75.52  183.74  -59.96  117.64
   20.00  -74.27  198.74  -58.69  125.61
   21.00  -71.54  213.74  -56.52  134.61
   22.00  -67.28  228.74  -53.63  145.43
   23.00  -64.46  243.74  -52.75  157.03
</PRE>


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