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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>
08 Oct 1997 13:07:58 yearsecs  24239278
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.07  231.24  -49.95  148.79
    1.00  -63.47  246.24  -52.18  159.36
    2.00  -64.14  261.24  -54.99  169.85
    3.00  -64.81  276.24  -58.12  180.36
    4.00  -64.55  291.24  -60.84  192.01
    5.00  -65.78  306.24  -65.33  202.22
    6.00  -66.08  321.24  -69.32  214.76
    7.00  -65.95  336.24  -72.98  230.83
    8.00  -66.56  351.24  -77.03  250.56
    9.00  -66.08    6.24  -78.98  282.04
   10.00  -65.66   21.24  -78.47  319.38
   11.00  -65.47   36.24  -75.52  349.78
   12.00  -65.51   51.24  -71.61   11.14
   13.00  -65.76   66.24  -67.80   27.78
   14.00  -66.25   81.24  -64.44   42.37
   15.00  -66.95   96.24  -61.60   55.86
   16.00  -67.88  111.24  -59.38   68.34
   17.00  -68.58  126.24  -57.50   79.35
   18.00  -68.52  141.24  -55.51   89.05
   19.00  -68.30  156.24  -53.93   98.59
   20.00  -67.04  171.24  -51.78  107.87
   21.00  -65.94  186.24  -50.27  117.61
   22.00  -64.65  201.24  -49.20  127.66
   23.00  -63.44  216.24  -48.89  138.11
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.07  231.24  -54.61  146.74
    1.00  -69.30  246.24  -57.46  155.74
    2.00  -70.35  261.24  -60.48  164.45
    3.00  -72.32  276.24  -64.59  171.34
    4.00  -75.34  291.24  -69.69  174.20
    5.00  -76.26  306.24  -73.25  179.11
    6.00  -75.35  321.24  -76.01  189.56
    7.00  -74.83  336.24  -79.34  200.25
    8.00  -75.54  351.24  -83.39  204.66
    9.00  -75.32    6.24  -87.26  220.17
   10.00  -75.61   21.24  -88.57   28.67
   11.00  -75.49   36.24  -84.40   40.72
   12.00  -75.28   51.24  -80.20   48.05
   13.00  -75.16   66.24  -76.17   55.83
   14.00  -75.40   81.24  -72.64   64.67
   15.00  -75.02   96.24  -69.05   71.48
   16.00  -75.01  111.24  -66.16   79.32
   17.00  -73.58  126.24  -62.44   85.14
   18.00  -73.52  141.24  -60.53   93.40
   19.00  -74.16  156.24  -59.82  102.21
   20.00  -73.33  171.24  -58.12  110.12
   21.00  -70.94  186.24  -55.28  118.27
   22.00  -69.65  201.24  -54.12  127.37
   23.00  -68.44  216.24  -53.67  136.96
</PRE>


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