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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>
06 Sep 1997 14:35:46 yearsecs  21479746
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.84  216.48  -49.29  138.20
    1.00  -63.75  231.48  -50.62  148.70
    2.00  -64.57  246.48  -53.21  158.92
    3.00  -65.37  261.48  -56.13  169.08
    4.00  -65.14  276.48  -58.46  180.21
    5.00  -66.27  291.48  -62.42  190.04
    6.00  -66.51  306.48  -66.02  201.26
    7.00  -66.38  321.48  -69.63  214.42
    8.00  -66.73  336.48  -73.72  229.41
    9.00  -66.57  351.48  -77.09  250.94
   10.00  -66.16    6.48  -79.09  282.50
   11.00  -65.96   21.48  -78.78  320.11
   12.00  -66.00   36.48  -76.07  351.10
   13.00  -66.25   51.48  -72.39   12.98
   14.00  -66.74   66.48  -68.81   30.00
   15.00  -67.44   81.48  -65.64   44.82
   16.00  -68.37   96.48  -62.98   58.34
   17.00  -69.43  111.48  -60.88   70.56
   18.00  -69.33  126.48  -58.22   80.30
   19.00  -68.71  141.48  -55.68   89.36
   20.00  -67.53  156.48  -53.13   98.33
   21.00  -66.48  171.48  -51.19  107.86
   22.00  -65.41  186.48  -49.74  117.71
   23.00  -64.40  201.48  -48.97  127.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.46  216.48  -58.54  135.61
    1.00  -74.51  231.48  -60.65  143.40
    2.00  -75.46  246.48  -63.03  150.67
    3.00  -77.71  261.48  -66.78  155.20
    4.00  -79.93  276.48  -70.46  157.00
    5.00  -80.59  291.48  -72.98  160.06
    6.00  -80.11  306.48  -75.13  165.71
    7.00  -79.67  321.48  -77.64  170.57
    8.00  -80.12  336.48  -80.37  168.40
    9.00  -80.00  351.48  -82.99  163.76
   10.00  -80.07    6.48  -84.95  145.03
   11.00  -79.81   21.48  -85.49  111.06
   12.00  -79.61   36.48  -83.73   85.15
   13.00  -79.37   51.48  -80.90   75.94
   14.00  -79.38   66.48  -77.81   76.08
   15.00  -79.00   81.48  -74.66   77.59
   16.00  -78.96   96.48  -71.85   82.21
   17.00  -78.03  111.48  -68.67   85.55
   18.00  -78.00  126.48  -66.52   91.87
   19.00  -78.13  141.48  -64.98   98.70
   20.00  -77.40  156.48  -63.04  104.87
   21.00  -75.67  171.48  -60.47  111.26
   22.00  -74.58  186.48  -58.97  118.94
   23.00  -73.67  201.48  -58.14  127.18
</PRE>


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