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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>
09 Apr 1997 04:22:01 yearsecs   8482921
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.83    6.22  -70.07  289.68
    1.00  -59.09   21.22  -70.76  317.99
    2.00  -60.21   36.22  -69.06  343.61
    3.00  -63.87   51.22  -69.67    8.14
    4.00  -65.27   66.22  -67.24   26.79
    5.00  -66.38   81.22  -64.59   42.59
    6.00  -66.60   96.22  -61.24   55.29
    7.00  -66.63  111.22  -58.11   66.73
    8.00  -67.14  126.22  -56.04   77.91
    9.00  -66.67  141.22  -53.62   87.66
   10.00  -66.25  156.22  -51.85   97.51
   11.00  -66.06  171.22  -50.79  107.55
   12.00  -66.10  186.22  -50.43  117.62
   13.00  -66.36  201.22  -50.87  127.56
   14.00  -66.84  216.22  -52.14  137.34
   15.00  -67.55  231.22  -54.13  146.95
   16.00  -68.23  246.22  -56.50  156.46
   17.00  -67.13  261.22  -57.64  167.44
   18.00  -67.01  276.22  -60.06  178.06
   19.00  -67.00  291.22  -62.99  188.88
   20.00  -65.67  306.22  -65.23  202.36
   21.00  -62.70  321.22  -66.29  220.26
   22.00  -60.56  336.22  -67.94  239.85
   23.00  -58.65  351.22  -69.17  262.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.83    6.22  -75.52  285.91
    1.00  -64.09   21.22  -76.66  318.75
    2.00  -65.21   36.22  -75.21  349.31
    3.00  -68.87   51.22  -75.26   19.28
    4.00  -72.29   66.22  -74.17   44.83
    5.00  -72.99   81.22  -70.84   57.49
    6.00  -72.34   96.22  -66.78   65.51
    7.00  -71.77  111.22  -63.19   73.81
    8.00  -73.10  126.22  -61.99   84.52
    9.00  -72.93  141.22  -59.94   92.81
   10.00  -73.40  156.22  -59.07  101.67
   11.00  -73.27  171.22  -58.05  110.08
   12.00  -73.27  186.22  -57.64  118.59
   13.00  -73.13  201.22  -57.59  127.08
   14.00  -73.38  216.22  -58.45  135.49
   15.00  -73.03  231.22  -59.24  144.17
   16.00  -73.23  246.22  -60.99  152.63
   17.00  -72.13  261.22  -62.02  162.55
   18.00  -72.01  276.22  -64.33  171.77
   19.00  -72.00  291.22  -67.16  181.00
   20.00  -70.67  306.22  -69.38  193.44
   21.00  -67.70  321.22  -70.68  211.55
   22.00  -65.56  336.22  -72.63  231.62
   23.00  -63.65  351.22  -74.23  256.39
</PRE>


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