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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>
19 Oct 1997 14:18:46 yearsecs  25193926
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.73  212.34  -50.81  135.00
    1.00  -65.32  227.34  -51.65  145.24
    2.00  -66.26  242.34  -54.22  155.07
    3.00  -67.19  257.34  -57.11  164.72
    4.00  -66.89  272.34  -59.26  175.45
    5.00  -67.64  287.34  -62.74  185.21
    6.00  -67.61  302.34  -65.99  196.25
    7.00  -67.64  317.34  -69.65  208.26
    8.00  -68.44  332.34  -74.12  220.60
    9.00  -68.40  347.34  -77.79  239.36
   10.00  -68.12    2.34  -80.59  268.57
   11.00  -67.93   17.34  -81.32  309.91
   12.00  -67.96   32.34  -79.22  347.52
   13.00  -68.22   47.34  -75.68   12.61
   14.00  -68.70   62.34  -71.99   30.64
   15.00  -69.41   77.34  -68.66   45.59
   16.00  -70.22   92.34  -65.73   58.67
   17.00  -70.80  107.34  -63.02   69.85
   18.00  -70.74  122.34  -60.27   79.27
   19.00  -70.17  137.34  -57.62   87.96
   20.00  -69.24  152.34  -55.19   96.64
   21.00  -68.34  167.34  -53.27  105.78
   22.00  -67.54  182.34  -51.93  115.28
   23.00  -66.68  197.34  -51.09  125.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.29  212.34  -56.19  133.85
    1.00  -72.34  227.34  -58.25  142.30
    2.00  -73.21  242.34  -60.53  150.42
    3.00  -77.88  257.34  -66.41  153.03
    4.00  -79.90  272.34  -69.88  155.56
    5.00  -80.24  287.34  -72.19  159.87
    6.00  -79.59  302.34  -74.22  166.56
    7.00  -78.84  317.34  -76.65  173.61
    8.00  -79.08  332.34  -79.62  174.97
    9.00  -78.96  347.34  -82.59  174.29
   10.00  -79.02    2.34  -85.29  161.07
   11.00  -78.89   17.34  -86.65  119.99
   12.00  -79.06   32.34  -84.77   84.56
   13.00  -78.83   47.34  -81.83   72.79
   14.00  -78.74   62.34  -78.55   72.13
   15.00  -78.49   77.34  -75.27   74.36
   16.00  -78.53   92.34  -72.33   79.44
   17.00  -78.28  107.34  -69.53   84.43
   18.00  -78.93  122.34  -67.86   91.83
   19.00  -78.81  137.34  -66.02   97.83
   20.00  -77.91  152.34  -63.83  103.39
   21.00  -76.04  167.34  -61.04  109.31
   22.00  -73.76  182.34  -58.20  116.50
   23.00  -72.19  197.34  -56.57  124.91
</PRE>


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