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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>
28 Jul 1997 19:18:00 yearsecs  18040680
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.79  139.78  -51.85   85.35
    1.00  -66.26  154.78  -51.96   96.53
    2.00  -67.29  169.78  -52.09  106.99
    3.00  -68.90  184.78  -53.25  117.07
    4.00  -68.64  199.78  -53.08  126.52
    5.00  -69.40  214.78  -54.50  135.80
    6.00  -69.52  229.78  -55.82  145.13
    7.00  -70.12  244.78  -58.01  154.23
    8.00  -71.46  259.78  -61.22  162.40
    9.00  -72.39  274.78  -64.40  170.36
   10.00  -73.07  289.78  -67.71  178.14
   11.00  -71.91  304.78  -70.00  189.78
   12.00  -71.29  319.78  -73.11  201.79
   13.00  -71.06  334.78  -76.73  215.24
   14.00  -71.17  349.78  -80.61  232.47
   15.00  -71.58    4.78  -84.31  261.47
   16.00  -72.02   19.78  -85.69  322.86
   17.00  -72.00   34.78  -82.67    8.39
   18.00  -72.04   49.78  -78.55   29.30
   19.00  -71.33   64.78  -73.76   40.49
   20.00  -70.51   79.78  -69.06   50.09
   21.00  -69.75   94.78  -64.71   59.50
   22.00  -67.70  109.78  -59.48   67.05
   23.00  -65.99  124.78  -55.08   75.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.79  139.78  -56.96   89.15
    1.00  -71.26  154.78  -57.02   99.41
    2.00  -72.29  169.78  -57.13  108.85
    3.00  -78.08  184.78  -62.56  118.73
    4.00  -80.11  199.78  -64.65  125.61
    5.00  -80.61  214.78  -65.55  131.70
    6.00  -80.03  229.78  -65.77  138.32
    7.00  -79.13  244.78  -66.13  145.70
    8.00  -79.23  259.78  -67.81  151.93
    9.00  -79.27  274.78  -69.76  157.91
   10.00  -79.09  289.78  -71.89  164.03
   11.00  -79.21  304.78  -74.48  168.65
   12.00  -79.39  319.78  -77.26  171.65
   13.00  -79.02  334.78  -80.10  175.42
   14.00  -78.62  349.78  -83.15  176.30
   15.00  -78.20    4.78  -86.23  166.08
   16.00  -77.73   19.78  -87.71  102.56
   17.00  -77.20   34.78  -84.94   60.92
   18.00  -78.00   49.78  -81.30   66.33
   19.00  -77.85   64.78  -77.77   67.87
   20.00  -77.39   79.78  -74.21   70.89
   21.00  -75.61   94.78  -69.81   72.17
   22.00  -72.70  109.78  -64.34   74.44
   23.00  -70.99  124.78  -60.13   81.07
</PRE>


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