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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>
18 Feb 1997 21:23:08 yearsecs   4224188
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.34  115.87  -56.95   69.79
    1.00  -66.29  130.87  -54.50   80.32
    2.00  -67.05  145.87  -53.54   91.03
    3.00  -67.80  160.87  -53.10  101.34
    4.00  -67.36  175.87  -51.91  111.01
    5.00  -67.95  190.87  -52.27  120.84
    6.00  -67.79  205.87  -52.46  130.46
    7.00  -68.00  220.87  -53.60  140.05
    8.00  -68.95  235.87  -55.92  149.29
    9.00  -69.26  250.87  -58.03  158.76
   10.00  -69.04  265.87  -60.06  168.80
   11.00  -68.85  280.87  -62.51  179.10
   12.00  -68.88  295.87  -65.60  189.45
   13.00  -69.14  310.87  -69.28  199.99
   14.00  -69.63  325.87  -73.40  211.25
   15.00  -70.33  340.87  -77.75  224.30
   16.00  -71.03  355.87  -81.96  243.31
   17.00  -71.23   10.87  -84.82  284.22
   18.00  -71.36   25.87  -84.11  342.85
   19.00  -70.74   40.87  -79.93   12.19
   20.00  -69.91   55.87  -74.97   27.63
   21.00  -69.11   70.87  -70.07   39.46
   22.00  -68.45   85.87  -65.56   50.34
   23.00  -67.53  100.87  -61.16   60.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.00  115.87  -62.58   76.99
    1.00  -73.08  130.87  -61.33   87.12
    2.00  -73.84  145.87  -60.38   96.25
    3.00  -78.90  160.87  -64.25  108.16
    4.00  -80.71  175.87  -65.44  115.78
    5.00  -81.08  190.87  -65.61  121.93
    6.00  -80.45  205.87  -65.12  128.09
    7.00  -79.54  220.87  -64.77  134.90
    8.00  -79.64  235.87  -65.83  141.28
    9.00  -79.61  250.87  -67.15  147.62
   10.00  -79.42  265.87  -68.70  154.07
   11.00  -79.48  280.87  -70.77  159.72
   12.00  -79.66  295.87  -73.19  164.35
   13.00  -79.48  310.87  -75.66  169.29
   14.00  -79.31  325.87  -78.39  173.01
   15.00  -79.12  340.87  -81.29  174.48
   16.00  -78.98  355.87  -84.21  169.29
   17.00  -78.78   10.87  -86.55  143.23
   18.00  -79.74   25.87  -85.18  101.18
   19.00  -79.94   40.87  -82.80   84.32
   20.00  -79.17   55.87  -79.99   74.26
   21.00  -77.44   70.87  -76.22   67.83
   22.00  -74.83   85.87  -71.17   65.43
   23.00  -73.19  100.87  -66.54   70.07
</PRE>


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