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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>
04 Jan 1997 01:35:05 yearsecs    264905
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.85   52.64  -66.77    6.73
    1.00  -63.12   67.64  -64.34   24.43
    2.00  -63.95   82.64  -61.56   39.70
    3.00  -67.51   97.64  -61.85   57.81
    4.00  -67.22  112.64  -58.44   68.49
    5.00  -68.00  127.64  -56.71   79.71
    6.00  -68.11  142.64  -54.94   89.65
    7.00  -68.72  157.64  -54.25   99.71
    8.00  -69.76  172.64  -54.45  109.65
    9.00  -69.79  187.64  -54.12  118.98
   10.00  -69.30  202.64  -53.82  128.27
   11.00  -68.88  217.64  -54.19  137.73
   12.00  -68.73  232.64  -55.37  147.33
   13.00  -68.84  247.64  -57.23  156.98
   14.00  -69.21  262.64  -59.70  166.50
   15.00  -69.84  277.64  -62.76  175.66
   16.00  -70.45  292.64  -66.21  184.64
   17.00  -70.53  307.64  -69.61  194.74
   18.00  -70.63  322.64  -73.34  205.82
   19.00  -69.92  337.64  -76.62  222.05
   20.00  -69.05  352.64  -79.57  245.75
   21.00  -68.29    7.64  -81.44  281.68
   22.00  -65.82   22.64  -78.49  322.78
   23.00  -63.58   37.64  -72.93  349.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.85   52.64  -72.74   15.70
    1.00  -68.12   67.64  -69.95   34.20
    2.00  -68.95   82.64  -66.86   48.80
    3.00  -75.57   97.64  -69.20   73.53
    4.00  -77.81  112.64  -68.31   85.55
    5.00  -78.22  127.64  -66.57   92.75
    6.00  -77.27  142.64  -64.04   98.16
    7.00  -75.89  157.64  -61.46  104.23
    8.00  -76.08  172.64  -60.84  112.05
    9.00  -76.21  187.64  -60.62  119.80
   10.00  -76.04  202.64  -60.55  127.51
   11.00  -76.21  217.64  -61.31  135.16
   12.00  -76.62  232.64  -62.74  142.51
   13.00  -76.47  247.64  -64.06  150.19
   14.00  -76.32  262.64  -65.79  157.91
   15.00  -76.17  277.64  -67.91  165.63
   16.00  -76.02  292.64  -70.42  173.32
   17.00  -75.84  307.64  -73.29  181.07
   18.00  -77.19  322.64  -77.15  182.55
   19.00  -77.56  337.64  -80.55  184.91
   20.00  -76.57  352.64  -83.93  195.37
   21.00  -74.33    7.64  -87.14  243.68
   22.00  -70.82   22.64  -84.07  330.21
   23.00  -68.58   37.64  -78.64  359.14
</PRE>


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