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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>
19 Aug 1997 16:33:16 yearsecs  19931596
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.04  186.96  -49.37  117.99
    1.00  -66.56  201.96  -51.09  128.03
    2.00  -67.65  216.96  -52.96  137.63
    3.00  -68.96  231.96  -55.52  146.78
    4.00  -68.69  246.96  -57.01  156.64
    5.00  -69.43  261.96  -59.78  165.84
    6.00  -69.53  276.96  -62.37  175.61
    7.00  -70.08  291.96  -65.76  184.81
    8.00  -71.39  306.96  -70.11  192.39
    9.00  -71.39  321.96  -73.72  203.17
   10.00  -70.90  336.96  -77.17  218.01
   11.00  -70.46  351.96  -80.59  239.10
   12.00  -70.28    6.96  -83.40  274.22
   13.00  -70.35   21.96  -83.64  326.66
   14.00  -70.68   36.96  -80.91    5.53
   15.00  -71.26   51.96  -77.29   28.33
   16.00  -71.85   66.96  -73.61   43.95
   17.00  -72.02   81.96  -69.85   55.42
   18.00  -72.02   96.96  -66.33   65.33
   19.00  -71.09  111.96  -62.40   73.25
   20.00  -70.35  126.96  -59.17   81.70
   21.00  -69.67  141.96  -56.59   90.41
   22.00  -67.78  156.96  -53.35   98.78
   23.00  -66.10  171.96  -50.80  108.07
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.04  186.96  -54.38  118.59
    1.00  -71.56  201.96  -56.03  127.66
    2.00  -72.65  216.96  -57.78  136.16
    3.00  -78.37  231.96  -64.34  140.76
    4.00  -80.40  246.96  -67.46  144.87
    5.00  -80.94  261.96  -69.41  149.56
    6.00  -80.44  276.96  -70.86  155.92
    7.00  -79.64  291.96  -72.55  163.16
    8.00  -79.77  306.96  -75.09  167.14
    9.00  -79.84  321.96  -77.75  169.80
   10.00  -79.81  336.96  -80.49  170.37
   11.00  -80.03  351.96  -83.06  163.23
   12.00  -79.89    6.96  -85.16  145.30
   13.00  -79.41   21.96  -85.86  107.87
   14.00  -78.94   36.96  -83.96   78.64
   15.00  -78.50   51.96  -80.82   69.87
   16.00  -78.08   66.96  -77.35   69.60
   17.00  -77.75   81.96  -73.94   73.06
   18.00  -78.29   96.96  -71.32   80.39
   19.00  -77.98  111.96  -68.55   85.63
   20.00  -77.42  126.96  -65.93   91.11
   21.00  -75.66  141.96  -62.55   95.99
   22.00  -72.78  156.96  -58.39  101.68
   23.00  -71.10  171.96  -55.84  109.69
</PRE>


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