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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>
13 Mar 1997 11:38:31 yearsecs   6176311
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.77  258.82  -53.36  169.04
    1.00  -63.25  273.82  -56.29  179.98
    2.00  -63.81  288.82  -59.67  190.98
    3.00  -64.36  303.82  -63.50  202.28
    4.00  -64.07  318.82  -66.94  215.87
    5.00  -65.38  333.82  -71.88  229.14
    6.00  -65.73  348.82  -75.73  248.53
    7.00  -65.70    3.82  -78.33  277.05
    8.00  -66.32   18.82  -79.42  313.65
    9.00  -65.69   33.82  -76.33  345.90
   10.00  -65.27   48.82  -72.00    7.71
   11.00  -65.08   63.82  -67.68   24.06
   12.00  -65.12   78.82  -63.82   38.24
   13.00  -65.38   93.82  -60.51   51.48
   14.00  -65.86  108.82  -57.79   63.99
   15.00  -66.57  123.82  -55.83   75.68
   16.00  -67.50  138.82  -54.74   86.68
   17.00  -68.54  153.82  -54.35   97.16
   18.00  -68.20  168.82  -53.06  106.68
   19.00  -67.98  183.82  -52.34  116.31
   20.00  -66.66  198.82  -51.10  125.97
   21.00  -65.56  213.82  -50.75  136.02
   22.00  -64.39  228.82  -50.94  146.59
   23.00  -63.22  243.82  -51.61  157.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.33  258.82  -58.34  164.77
    1.00  -69.57  273.82  -61.84  173.48
    2.00  -70.60  288.82  -65.54  181.89
    3.00  -71.82  303.82  -69.72  189.35
    4.00  -74.93  318.82  -75.23  189.81
    5.00  -75.52  333.82  -79.05  195.32
    6.00  -75.52  348.82  -82.76  203.43
    7.00  -74.88    3.82  -86.46  224.44
    8.00  -76.16   18.82  -89.17   64.45
    9.00  -75.91   33.82  -85.17   44.41
   10.00  -76.10   48.82  -81.17   52.28
   11.00  -76.00   63.82  -77.24   58.38
   12.00  -75.67   78.82  -73.39   64.34
   13.00  -75.55   93.82  -69.97   71.54
   14.00  -75.79  108.82  -67.26   79.59
   15.00  -75.39  123.82  -64.51   86.42
   16.00  -75.28  138.82  -62.51   93.96
   17.00  -73.54  153.82  -59.38  100.42
   18.00  -73.20  168.82  -58.10  108.69
   19.00  -73.92  183.82  -58.33  117.36
   20.00  -73.14  198.82  -57.55  125.72
   21.00  -70.74  213.82  -55.74  134.87
   22.00  -69.69  228.82  -55.89  144.45
   23.00  -68.62  243.82  -56.55  154.63
</PRE>


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