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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 Jun 1997 19:14:15 yearsecs  15189255
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.15  139.04  -53.34   85.81
    1.00  -66.39  154.04  -52.16   96.11
    2.00  -67.14  169.04  -51.97  106.44
    3.00  -67.87  184.04  -52.23  116.44
    4.00  -67.42  199.04  -51.85  126.09
    5.00  -68.00  214.04  -53.10  135.66
    6.00  -67.84  229.04  -54.18  145.40
    7.00  -68.11  244.04  -56.11  155.10
    8.00  -69.13  259.04  -59.07  164.21
    9.00  -69.54  274.04  -61.86  173.66
   10.00  -69.37  289.04  -64.56  183.94
   11.00  -69.12  304.04  -67.64  194.92
   12.00  -69.11  319.04  -71.27  206.60
   13.00  -69.34  334.04  -75.25  219.95
   14.00  -69.79  349.04  -79.36  237.16
   15.00  -70.48    4.04  -83.16  264.86
   16.00  -71.14   19.04  -84.79  317.65
   17.00  -71.27   34.04  -82.21    2.83
   18.00  -71.42   49.04  -78.25   25.79
   19.00  -70.78   64.04  -73.49   38.12
   20.00  -69.96   79.04  -68.74   48.21
   21.00  -69.17   94.04  -64.32   57.91
   22.00  -68.52  109.04  -60.46   67.64
   23.00  -67.53  124.04  -56.77   76.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.15  139.04  -58.41   89.89
    1.00  -72.27  154.04  -58.10   99.64
    2.00  -73.03  169.04  -57.91  108.73
    3.00  -78.43  184.04  -62.93  118.47
    4.00  -80.28  199.04  -64.82  125.27
    5.00  -80.66  214.04  -65.58  131.37
    6.00  -79.97  229.04  -65.66  138.07
    7.00  -78.93  244.04  -65.89  145.62
    8.00  -78.96  259.04  -67.50  152.08
    9.00  -78.89  274.04  -69.39  158.46
   10.00  -78.56  289.04  -71.45  165.20
   11.00  -78.68  304.04  -74.11  170.27
   12.00  -79.21  319.04  -77.08  172.32
   13.00  -79.02  334.04  -79.95  175.38
   14.00  -78.84  349.04  -82.95  174.70
   15.00  -78.66    4.04  -85.80  161.92
   16.00  -78.48   19.04  -87.01  112.11
   17.00  -78.29   34.04  -84.82   74.51
   18.00  -79.36   49.04  -81.40   76.38
   19.00  -79.64   64.04  -78.34   77.23
   20.00  -78.87   79.04  -75.09   76.38
   21.00  -77.08   94.04  -71.05   75.79
   22.00  -74.29  109.04  -65.92   76.81
   23.00  -72.53  124.04  -61.75   82.53
</PRE>


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