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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>
16 Feb 1997 21:42:30 yearsecs   4052550
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.40  111.30  -53.65   61.98
    1.00  -62.95  126.30  -51.68   74.21
    2.00  -63.50  141.30  -50.35   85.58
    3.00  -64.05  156.30  -49.60   96.50
    4.00  -63.69  171.30  -48.39  106.91
    5.00  -64.98  186.30  -49.31  117.54
    6.00  -65.41  201.30  -49.95  127.66
    7.00  -65.37  216.30  -50.74  137.74
    8.00  -66.06  231.30  -52.75  147.65
    9.00  -65.42  246.30  -53.96  158.30
   10.00  -65.06  261.30  -55.82  169.19
   11.00  -64.81  276.30  -58.14  180.40
   12.00  -64.85  291.30  -61.12  191.70
   13.00  -65.11  306.30  -64.75  203.27
   14.00  -65.59  321.30  -68.91  215.70
   15.00  -66.29  336.30  -73.31  230.16
   16.00  -67.23  351.30  -77.65  248.99
   17.00  -67.87    6.30  -80.86  279.01
   18.00  -67.69   21.30  -80.76  320.84
   19.00  -67.72   36.30  -78.04  354.45
   20.00  -66.36   51.30  -72.57   13.01
   21.00  -65.26   66.30  -67.22   26.87
   22.00  -64.04   81.30  -62.00   38.67
   23.00  -62.86   96.30  -57.21   50.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.02  111.30  -60.51   69.89
    1.00  -70.21  126.30  -59.14   81.14
    2.00  -71.25  141.30  -58.26   91.33
    3.00  -72.33  156.30  -57.98  101.00
    4.00  -75.29  171.30  -60.09  111.00
    5.00  -76.38  186.30  -60.81  119.14
    6.00  -75.62  201.30  -60.10  126.87
    7.00  -74.74  216.30  -59.79  135.05
    8.00  -75.74  231.30  -61.80  142.48
    9.00  -75.28  246.30  -62.84  150.76
   10.00  -75.18  261.30  -64.64  158.84
   11.00  -75.14  276.30  -66.89  166.84
   12.00  -74.83  291.30  -69.33  175.37
   13.00  -74.77  306.30  -72.34  183.54
   14.00  -75.03  321.30  -75.86  190.78
   15.00  -74.64  336.30  -79.27  201.27
   16.00  -74.55  351.30  -83.05  213.11
   17.00  -72.87    6.30  -85.73  257.03
   18.00  -72.69   21.30  -86.22  332.95
   19.00  -73.60   36.30  -83.47   22.37
   20.00  -73.02   51.30  -78.85   35.45
   21.00  -70.90   66.30  -72.97   40.44
   22.00  -70.18   81.30  -68.37   50.47
   23.00  -69.18   96.30  -63.81   59.58
</PRE>


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