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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>
01 Sep 1997 23:59:48 yearsecs  21081588
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.84   70.33  -65.67   29.95
    1.00  -66.04   85.33  -63.22   45.49
    2.00  -66.86  100.33  -60.60   58.88
    3.00  -68.12  115.33  -58.85   71.49
    4.00  -67.80  130.33  -56.12   81.30
    5.00  -68.51  145.33  -55.07   91.68
    6.00  -68.52  160.33  -53.86  101.33
    7.00  -68.96  175.33  -53.55  111.10
    8.00  -70.06  190.33  -54.38  120.66
    9.00  -70.59  205.33  -55.18  129.77
   10.00  -70.10  220.33  -55.55  139.03
   11.00  -69.68  235.33  -56.53  148.55
   12.00  -69.53  250.33  -58.20  158.20
   13.00  -69.62  265.33  -60.48  167.84
   14.00  -69.97  280.33  -63.36  177.25
   15.00  -70.56  295.33  -66.86  186.24
   16.00  -71.14  310.33  -70.70  195.29
   17.00  -71.19  325.33  -74.42  206.43
   18.00  -71.28  340.33  -78.30  220.11
   19.00  -70.58  355.33  -81.47  244.48
   20.00  -69.71   10.33  -83.17  286.55
   21.00  -68.91   25.33  -81.60  333.40
   22.00  -68.14   40.33  -77.48    2.31
   23.00  -66.25   55.33  -71.33   17.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.84   70.33  -70.91   40.85
    1.00  -71.04   85.33  -68.16   55.41
    2.00  -71.86  100.33  -65.46   67.17
    3.00  -77.64  115.33  -67.76   86.36
    4.00  -79.63  130.33  -67.51   96.30
    5.00  -80.05  145.33  -66.46  102.87
    6.00  -79.33  160.33  -64.71  108.30
    7.00  -78.32  175.33  -63.03  114.38
    8.00  -78.31  190.33  -62.75  121.38
    9.00  -78.25  205.33  -62.86  128.42
   10.00  -78.07  220.33  -63.29  135.54
   11.00  -78.15  235.33  -64.40  142.51
   12.00  -78.43  250.33  -66.08  149.06
   13.00  -78.25  265.33  -67.71  156.03
   14.00  -78.06  280.33  -69.72  162.92
   15.00  -77.87  295.33  -72.10  169.63
   16.00  -77.68  310.33  -74.82  176.07
   17.00  -77.48  325.33  -77.83  182.13
   18.00  -78.62  340.33  -81.21  178.05
   19.00  -78.91  355.33  -84.14  170.37
   20.00  -78.08   10.33  -87.16  151.72
   21.00  -76.16   25.33  -87.49   48.02
   22.00  -73.14   40.33  -82.03   24.42
   23.00  -71.25   55.33  -76.33   31.71
</PRE>


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