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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>
02 Sep 1997 13:43:20 yearsecs  21131000
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.37  229.43  -50.98  147.02
    1.00  -65.63  244.43  -53.91  156.86
    2.00  -66.49  259.42  -56.80  166.73
    3.00  -68.23  274.43  -60.80  175.45
    4.00  -68.11  289.43  -63.57  186.05
    5.00  -69.03  304.43  -67.66  195.37
    6.00  -69.30  319.43  -71.52  206.48
    7.00  -70.17  334.43  -75.99  217.86
    8.00  -70.95  349.42  -80.36  232.97
    9.00  -70.83    4.42  -83.55  264.37
   10.00  -70.22   19.42  -83.75  317.75
   11.00  -69.67   34.42  -80.55  356.71
   12.00  -69.38   49.42  -76.27   18.71
   13.00  -69.36   64.42  -72.06   34.36
   14.00  -69.60   79.43  -68.30   47.69
   15.00  -70.11   94.43  -65.14   59.93
   16.00  -70.62  109.43  -62.44   70.93
   17.00  -70.61  124.43  -59.82   80.42
   18.00  -70.64  139.43  -57.85   89.66
   19.00  -69.85  154.43  -55.63   98.32
   20.00  -68.98  169.43  -53.81  107.35
   21.00  -68.30  184.43  -52.66  116.75
   22.00  -67.70  199.43  -52.15  126.33
   23.00  -65.79  214.43  -51.01  136.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.37  229.43  -55.65  144.98
    1.00  -70.63  244.43  -58.43  153.64
    2.00  -71.49  259.42  -61.20  162.15
    3.00  -77.41  274.43  -68.35  161.69
    4.00  -79.44  289.43  -72.04  162.88
    5.00  -79.88  304.43  -74.70  166.07
    6.00  -79.15  319.43  -77.14  172.69
    7.00  -78.16  334.43  -79.94  180.67
    8.00  -78.14  349.42  -83.15  180.64
    9.00  -78.15    4.43  -86.19  167.32
   10.00  -77.91   19.42  -87.57  106.24
   11.00  -77.97   34.42  -84.85   70.44
   12.00  -78.23   49.42  -81.39   68.03
   13.00  -78.02   64.42  -77.91   68.69
   14.00  -77.81   79.43  -74.51   72.36
   15.00  -77.60   94.43  -71.33   77.42
   16.00  -77.39  109.43  -68.48   83.24
   17.00  -77.16  124.43  -66.04   89.54
   18.00  -78.32  139.43  -65.35   98.03
   19.00  -78.61  154.43  -64.37  105.03
   20.00  -77.76  169.43  -62.67  111.31
   21.00  -75.79  184.43  -60.22  118.06
   22.00  -72.70  199.43  -57.12  126.09
   23.00  -70.79  214.43  -55.83  135.22
</PRE>


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