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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>
25 Sep 1997 00:23:02 yearsecs  23070182
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.76   64.10  -68.37   25.65
    1.00  -65.87   79.10  -64.57   39.82
    2.00  -66.73   94.10  -61.86   53.82
    3.00  -67.59  109.10  -59.51   66.43
    4.00  -67.28  124.10  -56.51   76.59
    5.00  -68.02  139.10  -55.24   87.27
    6.00  -68.07  154.10  -53.86   97.07
    7.00  -68.60  169.10  -53.44  107.00
    8.00  -69.91  184.10  -54.28  116.80
    9.00  -70.41  199.10  -54.82  126.02
   10.00  -69.87  214.10  -54.92  135.26
   11.00  -69.38  229.10  -55.62  144.77
   12.00  -69.17  244.10  -57.08  154.45
   13.00  -69.23  259.10  -59.18  164.15
   14.00  -69.56  274.10  -61.89  173.67
   15.00  -70.16  289.10  -65.23  182.77
   16.00  -70.74  304.10  -68.95  191.83
   17.00  -70.80  319.10  -72.58  202.57
   18.00  -70.89  334.10  -76.43  215.18
   19.00  -70.17  349.10  -79.68  235.79
   20.00  -69.27    4.10  -81.99  269.56
   21.00  -68.43   19.10  -81.78  315.17
   22.00  -67.83   34.10  -78.68  350.66
   23.00  -66.94   49.10  -73.82   11.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.23   64.10  -73.87   39.60
    1.00  -72.39   79.10  -70.88   54.43
    2.00  -73.19   94.10  -67.99   66.03
    3.00  -78.58  109.10  -69.47   85.84
    4.00  -80.44  124.10  -68.91   95.56
    5.00  -80.86  139.10  -67.73  101.70
    6.00  -80.23  154.10  -65.98  106.59
    7.00  -79.27  169.10  -64.22  112.08
    8.00  -79.37  184.10  -63.89  118.74
    9.00  -79.35  199.10  -63.86  125.39
   10.00  -79.09  214.10  -64.01  132.16
   11.00  -79.13  229.10  -64.86  138.82
   12.00  -79.35  244.10  -66.27  145.12
   13.00  -79.15  259.10  -67.66  151.79
   14.00  -78.94  274.10  -69.43  158.37
   15.00  -78.74  289.10  -71.57  164.75
   16.00  -78.53  304.10  -74.05  170.81
   17.00  -78.32  319.10  -76.82  176.37
   18.00  -79.37  334.10  -79.97  173.28
   19.00  -79.62  349.10  -82.74  168.21
   20.00  -78.83    4.10  -85.69  159.96
   21.00  -77.04   19.10  -88.45   96.23
   22.00  -74.24   34.10  -84.46   25.05
   23.00  -72.51   49.10  -79.10   30.82
</PRE>


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