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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>
07 Apr 1997 15:03:30 yearsecs   8348610
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.21  210.40  -48.25  134.09
    1.00  -63.91  225.40  -50.14  144.37
    2.00  -64.81  240.40  -52.65  154.50
    3.00  -65.70  255.40  -55.49  164.50
    4.00  -65.48  270.40  -57.69  175.42
    5.00  -66.56  285.40  -61.41  185.19
    6.00  -66.76  300.40  -64.81  196.11
    7.00  -66.62  315.40  -68.31  208.51
    8.00  -67.30  330.40  -72.68  221.33
    9.00  -66.86  345.40  -75.99  240.74
   10.00  -66.44    0.40  -78.61  268.21
   11.00  -66.25   15.40  -79.51  304.89
   12.00  -66.28   30.40  -77.74  340.31
   13.00  -66.54   45.40  -74.38    5.82
   14.00  -67.02   60.40  -70.77   24.58
   15.00  -67.72   75.40  -67.48   40.22
   16.00  -68.65   90.40  -64.67   54.25
   17.00  -69.68  105.40  -62.33   66.81
   18.00  -69.54  120.40  -59.40   76.60
   19.00  -68.95  135.40  -56.62   85.65
   20.00  -67.81  150.40  -53.90   94.51
   21.00  -66.77  165.40  -51.79  103.90
   22.00  -65.22  180.40  -49.64  113.56
   23.00  -63.76  195.40  -48.16  123.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.21  210.40  -53.09  133.29
    1.00  -69.36  225.40  -55.27  142.45
    2.00  -70.41  240.40  -57.76  151.28
    3.00  -73.76  255.40  -62.61  157.34
    4.00  -76.51  270.40  -67.05  161.45
    5.00  -77.12  285.40  -69.89  167.30
    6.00  -76.25  300.40  -72.07  176.42
    7.00  -75.43  315.40  -74.73  186.27
    8.00  -76.09  330.40  -78.47  190.83
    9.00  -75.88  345.40  -82.01  198.90
   10.00  -76.09    0.40  -85.85  202.39
   11.00  -75.91   15.40  -89.77  180.22
   12.00  -75.91   30.40  -86.10   43.10
   13.00  -75.73   45.40  -81.97   47.97
   14.00  -75.88   60.40  -78.06   56.17
   15.00  -75.54   75.40  -74.12   62.18
   16.00  -75.71   90.40  -70.81   70.25
   17.00  -74.84  105.40  -67.07   75.92
   18.00  -75.02  120.40  -64.67   84.08
   19.00  -75.12  135.40  -62.74   91.99
   20.00  -74.20  150.40  -60.32   99.05
   21.00  -71.95  165.40  -57.02  106.13
   22.00  -70.22  180.40  -54.66  114.58
   23.00  -68.76  195.40  -53.11  123.76
</PRE>


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