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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>
20 Oct 1997 00:21:40 yearsecs  25230100
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.83   64.31  -64.86   20.66
    1.00  -64.11   79.31  -62.56   36.97
    2.00  -64.96   94.31  -59.95   51.26
    3.00  -67.42  109.31  -59.30   66.35
    4.00  -67.18  124.31  -56.38   76.64
    5.00  -68.03  139.31  -55.23   87.42
    6.00  -68.21  154.31  -53.98   97.28
    7.00  -68.89  169.31  -53.73  107.24
    8.00  -70.39  184.31  -54.76  117.01
    9.00  -70.94  199.31  -55.36  126.12
   10.00  -70.19  214.31  -55.23  135.31
   11.00  -69.53  229.31  -55.79  144.83
   12.00  -69.20  244.31  -57.13  154.56
   13.00  -69.17  259.31  -59.15  164.35
   14.00  -69.42  274.31  -61.81  173.98
   15.00  -69.95  289.31  -65.10  183.23
   16.00  -70.49  304.31  -68.80  192.47
   17.00  -70.51  319.31  -72.42  203.47
   18.00  -70.56  334.31  -76.25  216.46
   19.00  -69.80  349.31  -79.43  237.55
   20.00  -68.85    4.31  -81.61  271.37
   21.00  -67.99   19.31  -81.28  315.53
   22.00  -66.53   34.31  -77.19  348.26
   23.00  -64.43   49.31  -70.87    6.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.83   64.31  -70.56   30.36
    1.00  -69.11   79.31  -67.86   46.48
    2.00  -69.96   94.31  -65.02   59.56
    3.00  -76.31  109.31  -67.62   80.89
    4.00  -78.48  124.31  -67.22   91.79
    5.00  -78.91  139.31  -65.92   98.81
    6.00  -78.06  154.31  -63.84  104.45
    7.00  -76.81  169.31  -61.71  110.72
    8.00  -76.79  184.31  -61.25  118.21
    9.00  -76.84  199.31  -61.30  125.72
   10.00  -76.63  214.31  -61.56  133.29
   11.00  -76.77  229.31  -62.62  140.73
   12.00  -77.12  244.31  -64.29  147.82
   13.00  -76.95  259.31  -65.87  155.34
   14.00  -76.78  274.31  -67.85  162.85
   15.00  -76.60  289.31  -70.21  170.31
   16.00  -76.43  304.31  -72.95  177.72
   17.00  -76.23  319.31  -76.01  185.19
   18.00  -77.52  334.31  -79.80  184.46
   19.00  -77.86  349.31  -83.15  183.15
   20.00  -76.98    4.31  -86.72  185.92
   21.00  -74.87   19.31  -88.64  348.35
   22.00  -71.53   34.31  -82.38    4.76
   23.00  -69.43   49.31  -76.35   18.71
</PRE>


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