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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
16 Jul 1997 16:41:46 yearsecs  16994506
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.68  186.15  -49.02  117.40
    1.00  -65.48  201.15  -50.01  127.56
    2.00  -66.66  216.15  -51.96  137.34
    3.00  -67.82  231.15  -54.37  146.79
    4.00  -67.85  246.15  -56.14  156.67
    5.00  -68.96  261.15  -59.25  165.75
    6.00  -69.33  276.15  -62.05  175.32
    7.00  -69.47  291.15  -65.08  185.24
    8.00  -70.36  306.15  -69.12  194.04
    9.00  -70.39  321.15  -72.79  205.24
   10.00  -70.05  336.15  -76.34  220.02
   11.00  -69.29  351.15  -79.44  242.38
   12.00  -68.96    6.15  -81.96  276.00
   13.00  -68.88   21.15  -82.11  321.62
   14.00  -69.05   36.15  -79.50  357.92
   15.00  -69.46   51.15  -75.86   21.00
   16.00  -70.08   66.15  -72.27   37.91
   17.00  -70.74   81.15  -68.93   51.68
   18.00  -70.20   96.15  -64.83   61.31
   19.00  -68.98  111.15  -60.50   69.73
   20.00  -68.28  126.15  -57.22   78.99
   21.00  -67.59  141.15  -54.58   88.29
   22.00  -66.31  156.15  -51.91   97.48
   23.00  -65.03  171.15  -49.75  107.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.68  186.15  -54.02  118.04
    1.00  -70.96  201.15  -55.42  127.22
    2.00  -72.14  216.15  -57.24  135.86
    3.00  -76.15  231.15  -62.17  142.11
    4.00  -78.61  246.15  -65.81  146.95
    5.00  -79.11  261.15  -67.88  152.71
    6.00  -78.51  276.15  -69.41  160.16
    7.00  -78.00  291.15  -71.45  167.57
    8.00  -78.56  306.15  -74.43  171.43
    9.00  -78.31  321.15  -77.23  176.99
   10.00  -78.53  336.15  -80.34  178.59
   11.00  -78.19  351.15  -83.51  179.71
   12.00  -78.09    6.15  -86.53  164.41
   13.00  -77.70   21.15  -87.57   95.44
   14.00  -77.58   36.15  -84.55   64.86
   15.00  -77.08   51.15  -80.84   59.92
   16.00  -77.09   66.15  -77.17   64.56
   17.00  -76.34   81.15  -73.29   67.76
   18.00  -76.33   96.15  -70.08   74.70
   19.00  -75.68  111.15  -66.76   80.53
   20.00  -74.97  126.15  -63.78   87.00
   21.00  -73.00  141.15  -60.02   92.84
   22.00  -71.31  156.15  -56.96  100.27
   23.00  -70.03  171.15  -54.79  108.81
</PRE>


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