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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 May 1997 01:06:44 yearsecs  12704804
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.34   51.88  -60.86    0.61
    1.00  -57.77   66.88  -57.53   16.37
    2.00  -58.20   81.88  -54.68   31.08
    3.00  -58.62   96.88  -52.17   45.36
    4.00  -58.73  111.88  -49.51   58.80
    5.00  -59.56  126.88  -48.00   71.98
    6.00  -61.36  141.88  -48.06   84.69
    7.00  -62.35  156.88  -47.82   96.15
    8.00  -62.65  171.88  -47.31  107.03
    9.00  -62.01  186.88  -46.34  117.60
   10.00  -61.60  201.88  -46.23  128.25
   11.00  -61.40  216.88  -46.99  138.99
   12.00  -61.44  231.88  -48.48  149.85
   13.00  -61.69  246.88  -50.62  160.79
   14.00  -62.18  261.88  -53.31  171.75
   15.00  -62.88  276.88  -56.52  182.66
   16.00  -63.81  291.88  -60.32  193.38
   17.00  -64.97  306.88  -64.77  203.96
   18.00  -65.15  321.88  -68.67  217.02
   19.00  -63.91  336.88  -71.29  235.55
   20.00  -62.26  351.88  -72.97  259.65
   21.00  -61.07    6.88  -73.66  288.79
   22.00  -59.29   21.88  -70.90  319.23
   23.00  -58.19   36.88  -66.23  343.06
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.58   51.88  -78.37   33.90
    1.00  -73.46   66.88  -74.88   49.47
    2.00  -74.35   81.88  -71.74   61.79
    3.00  -74.90   96.88  -68.81   71.53
    4.00  -75.86  111.88  -66.80   81.25
    5.00  -77.04  126.88  -65.60   90.47
    6.00  -77.20  141.88  -64.05   97.72
    7.00  -76.31  156.88  -61.92  104.17
    8.00  -76.32  171.88  -61.12  111.77
    9.00  -76.52  186.88  -60.94  119.46
   10.00  -76.05  201.88  -60.55  127.12
   11.00  -75.69  216.88  -60.75  134.99
   12.00  -75.43  231.88  -61.56  143.00
   13.00  -75.24  246.88  -62.87  151.11
   14.00  -75.18  261.88  -64.73  159.15
   15.00  -74.92  276.88  -66.81  167.53
   16.00  -75.13  291.88  -69.66  175.01
   17.00  -75.08  306.88  -72.66  182.98
   18.00  -74.78  321.88  -75.85  192.06
   19.00  -74.16  336.88  -79.17  204.13
   20.00  -73.85  351.88  -82.87  219.21
   21.00  -73.04    6.88  -86.00  257.45
   22.00  -73.15   21.88  -86.60  339.01
   23.00  -72.34   36.88  -82.39   14.19
</PRE>


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