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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>
04 Oct 1997 12:14:44 yearsecs  23890484
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.59  244.66  -49.27  159.68
    1.00  -61.85  259.66  -52.65  170.29
    2.00  -62.63  274.66  -55.89  181.16
    3.00  -67.66  289.66  -63.23  186.85
    4.00  -67.32  304.66  -66.28  198.51
    5.00  -68.06  319.66  -70.58  209.43
    6.00  -68.10  334.66  -74.43  223.98
    7.00  -68.76  349.66  -78.65  241.77
    8.00  -69.41    4.66  -82.22  270.61
    9.00  -69.53   19.66  -82.96  317.76
   10.00  -69.15   34.66  -79.97  355.44
   11.00  -68.82   49.66  -75.65   17.27
   12.00  -68.74   64.66  -71.39   32.95
   13.00  -68.91   79.66  -67.57   46.34
   14.00  -69.33   94.66  -64.33   58.65
   15.00  -69.99  109.66  -61.78   70.14
   16.00  -70.63  124.66  -59.80   80.58
   17.00  -70.48  139.66  -57.66   89.67
   18.00  -70.85  154.66  -56.62   99.09
   19.00  -70.17  169.66  -55.00  107.94
   20.00  -69.35  184.66  -53.71  117.06
   21.00  -68.59  199.66  -53.03  126.45
   22.00  -64.91  214.66  -50.18  136.73
   23.00  -62.49  229.66  -49.24  147.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.59  244.66  -53.91  157.05
    1.00  -66.85  259.66  -57.16  166.60
    2.00  -67.63  274.66  -60.32  176.28
    3.00  -74.60  289.66  -68.85  174.99
    4.00  -76.93  304.66  -73.31  176.31
    5.00  -77.30  319.66  -76.56  180.97
    6.00  -76.22  334.66  -79.52  191.98
    7.00  -75.16  349.66  -82.86  206.89
    8.00  -75.45    4.66  -86.87  215.51
    9.00  -75.63   19.66  -89.01   25.81
   10.00  -75.48   34.66  -84.84   39.53
   11.00  -75.70   49.66  -80.80   49.90
   12.00  -76.15   64.66  -77.11   59.48
   13.00  -76.03   79.66  -73.43   65.99
   14.00  -75.90   94.66  -70.06   72.87
   15.00  -75.77  109.66  -67.10   79.97
   16.00  -75.63  124.66  -64.61   87.21
   17.00  -75.48  139.66  -62.61   94.62
   18.00  -76.83  154.66  -62.60  103.50
   19.00  -77.08  169.66  -61.97  111.04
   20.00  -76.00  184.66  -60.44  118.23
   21.00  -73.62  199.66  -58.05  126.16
   22.00  -69.91  214.66  -54.98  135.60
   23.00  -67.49  229.66  -53.92  145.96
</PRE>


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