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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
14 Aug 1997 15:53:40 yearsecs  19497220
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.19  199.32  -48.69  126.37
    1.00  -64.43  214.32  -49.69  136.59
    2.00  -65.41  229.32  -51.94  146.56
    3.00  -66.36  244.32  -54.56  156.37
    4.00  -66.35  259.32  -56.66  166.77
    5.00  -67.66  274.32  -60.29  176.01
    6.00  -68.14  289.32  -63.58  185.93
    7.00  -68.29  304.32  -67.02  196.61
    8.00  -69.04  319.32  -71.29  207.00
    9.00  -69.04  334.32  -75.09  221.10
   10.00  -68.22  349.32  -78.10  242.95
   11.00  -67.69    4.32  -80.44  274.40
   12.00  -67.42   19.32  -80.63  315.31
   13.00  -67.39   34.32  -78.15  350.07
   14.00  -67.60   49.32  -74.47   13.48
   15.00  -68.03   64.32  -70.76   30.85
   16.00  -68.67   79.32  -67.43   45.55
   17.00  -69.44   94.32  -64.51   58.60
   18.00  -69.00  109.32  -60.87   68.50
   19.00  -67.84  124.32  -57.05   77.32
   20.00  -66.41  139.32  -53.57   86.19
   21.00  -65.88  154.32  -51.61   96.03
   22.00  -65.18  169.32  -49.98  105.98
   23.00  -64.47  184.32  -48.82  116.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.89  199.32  -54.31  126.18
    1.00  -71.32  214.32  -56.33  135.02
    2.00  -72.57  229.32  -58.63  143.34
    3.00  -75.15  244.32  -62.51  149.83
    4.00  -77.88  259.32  -66.65  153.94
    5.00  -78.73  274.32  -69.31  158.91
    6.00  -78.18  289.32  -71.26  166.36
    7.00  -77.65  304.32  -73.64  173.86
    8.00  -78.47  319.32  -76.92  175.75
    9.00  -78.23  334.32  -79.93  180.23
   10.00  -78.26  349.32  -83.11  179.62
   11.00  -77.92    4.32  -86.31  170.69
   12.00  -77.61   19.32  -87.88  103.66
   13.00  -77.25   34.32  -85.05   61.81
   14.00  -77.19   49.32  -81.31   60.29
   15.00  -76.62   64.32  -77.41   61.57
   16.00  -76.41   79.32  -73.74   67.16
   17.00  -75.01   94.32  -69.44   70.43
   18.00  -74.69  109.32  -66.22   77.71
   19.00  -74.37  124.32  -63.47   85.18
   20.00  -73.83  139.32  -61.03   92.65
   21.00  -71.86  154.32  -57.66   99.53
   22.00  -70.81  169.32  -55.66  107.98
   23.00  -69.94  184.32  -54.31  116.95
</PRE>


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