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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>
14 Aug 1997 19:13:46 yearsecs  19509226
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.28  141.13  -48.05   84.08
    1.00  -61.89  156.13  -47.39   95.40
    2.00  -62.50  171.13  -47.19  106.45
    3.00  -63.11  186.13  -47.45  117.19
    4.00  -62.48  201.13  -47.07  127.67
    5.00  -63.65  216.13  -49.08  137.99
    6.00  -64.38  231.13  -51.17  148.21
    7.00  -64.64  246.13  -53.23  158.63
    8.00  -65.24  261.13  -55.95  168.93
    9.00  -64.65  276.13  -57.97  180.43
   10.00  -64.19  291.13  -60.50  192.35
   11.00  -64.00  306.13  -63.72  204.70
   12.00  -64.03  321.13  -67.48  218.15
   13.00  -64.29  336.13  -71.47  233.94
   14.00  -64.78  351.13  -75.31  254.23
   15.00  -65.48    6.13  -78.34  282.65
   16.00  -66.41   21.13  -79.33  319.50
   17.00  -67.57   36.13  -77.92  353.78
   18.00  -67.57   51.13  -73.94   15.63
   19.00  -66.91   66.13  -69.09   30.03
   20.00  -65.45   81.13  -63.61   40.86
   21.00  -64.34   96.13  -58.88   51.89
   22.00  -62.97  111.13  -54.30   62.45
   23.00  -61.80  126.13  -50.50   73.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.40  141.13  -61.41   94.22
    1.00  -75.21  156.13  -60.88  102.93
    2.00  -76.06  171.13  -60.88  111.26
    3.00  -76.84  186.13  -61.27  119.14
    4.00  -78.81  201.13  -63.34  126.37
    5.00  -79.74  216.13  -64.74  132.73
    6.00  -79.53  231.13  -65.39  139.35
    7.00  -79.09  246.13  -66.23  146.34
    8.00  -79.76  261.13  -68.39  151.53
    9.00  -79.71  276.13  -70.26  157.41
   10.00  -79.70  291.13  -72.46  162.70
   11.00  -79.54  306.13  -74.86  167.79
   12.00  -79.27  321.13  -77.49  172.46
   13.00  -79.10  336.13  -80.36  174.96
   14.00  -79.04  351.13  -83.30  172.00
   15.00  -78.62    6.13  -86.15  158.03
   16.00  -78.44   21.13  -86.88  103.75
   17.00  -77.29   36.13  -84.60   61.51
   18.00  -77.06   51.13  -80.84   59.78
   19.00  -77.49   66.13  -77.33   66.48
   20.00  -76.98   81.13  -73.68   69.98
   21.00  -75.50   96.13  -69.45   72.58
   22.00  -75.07  111.13  -66.23   79.36
   23.00  -74.24  126.13  -63.09   85.97
</PRE>


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