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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>
11 Mar 1997 23:51:20 yearsecs   6047480
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.35   77.00  -64.54   37.03
    1.00  -65.53   92.00  -61.09   50.22
    2.00  -66.47  107.00  -58.79   63.40
    3.00  -67.43  122.00  -57.00   75.30
    4.00  -67.20  137.00  -54.65   85.23
    5.00  -68.07  152.00  -54.02   95.70
    6.00  -68.26  167.00  -53.20  105.52
    7.00  -68.96  182.00  -53.36  115.32
    8.00  -70.47  197.00  -54.84  124.74
    9.00  -71.23  212.00  -56.12  133.66
   10.00  -70.39  227.00  -56.38  143.01
   11.00  -69.69  242.00  -57.29  152.76
   12.00  -69.32  257.00  -58.95  162.70
   13.00  -69.26  272.00  -61.26  172.64
   14.00  -69.48  287.00  -64.24  182.39
   15.00  -70.00  302.00  -67.88  191.83
   16.00  -70.52  317.00  -71.85  201.65
   17.00  -70.52  332.00  -75.63  214.36
   18.00  -70.56  347.00  -79.47  231.17
   19.00  -69.79    2.00  -82.15  262.37
   20.00  -68.83   17.00  -82.35  308.94
   21.00  -67.95   32.00  -79.28  346.78
   22.00  -67.37   47.00  -74.86    9.92
   23.00  -66.50   62.00  -69.77   25.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.10   77.00  -72.74   58.15
    1.00  -75.22   92.00  -70.10   69.76
    2.00  -76.04  107.00  -67.80   79.22
    3.00  -80.62  122.00  -69.30   95.23
    4.00  -82.25  137.00  -69.15  103.46
    5.00  -82.69  152.00  -68.48  108.95
    6.00  -82.31  167.00  -67.37  113.56
    7.00  -81.71  182.00  -66.34  118.65
    8.00  -81.94  197.00  -66.51  124.33
    9.00  -81.78  212.00  -66.63  130.00
   10.00  -81.43  227.00  -66.94  135.92
   11.00  -81.32  242.00  -67.85  141.67
   12.00  -81.38  257.00  -69.23  146.96
   13.00  -81.10  272.00  -70.67  152.63
   14.00  -80.83  287.00  -72.46  158.02
   15.00  -80.56  302.00  -74.57  162.92
   16.00  -80.30  317.00  -76.97  166.95
   17.00  -80.03  332.00  -79.58  169.35
   18.00  -80.85  347.00  -81.91  160.21
   19.00  -81.00    2.00  -83.71  146.23
   20.00  -80.24   17.00  -85.21  122.34
   21.00  -78.75   32.00  -85.01   81.86
   22.00  -76.42   47.00  -81.74   53.95
   23.00  -75.05   62.00  -77.21   52.99
</PRE>


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