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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 Jul 1997 01:18:48 yearsecs  16939128
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.91   51.10  -67.26    5.03
    1.00  -62.48   66.10  -63.96   21.91
    2.00  -63.06   81.10  -60.91   36.95
    3.00  -63.63   96.10  -58.11   50.88
    4.00  -63.15  111.10  -54.50   62.62
    5.00  -64.38  126.10  -53.21   75.28
    6.00  -64.93  141.10  -51.85   86.37
    7.00  -65.04  156.10  -50.62   96.83
    8.00  -65.72  171.10  -50.45  107.37
    9.00  -65.20  186.10  -49.53  117.43
   10.00  -64.69  201.10  -49.24  127.56
   11.00  -64.49  216.10  -49.89  137.79
   12.00  -64.52  231.10  -51.30  148.13
   13.00  -64.77  246.10  -53.35  158.53
   14.00  -65.25  261.10  -55.96  168.90
   15.00  -65.96  276.10  -59.11  179.10
   16.00  -66.89  291.10  -62.87  188.95
   17.00  -68.04  306.10  -67.23  198.40
   18.00  -68.06  321.10  -70.94  210.70
   19.00  -67.37  336.10  -74.18  227.43
   20.00  -65.97  351.10  -76.44  251.71
   21.00  -64.86    6.10  -77.68  283.41
   22.00  -63.58   21.10  -76.08  318.36
   23.00  -62.40   36.10  -71.85  345.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.91   51.10  -77.23   26.03
    1.00  -71.93   66.10  -73.91   43.55
    2.00  -72.90   81.10  -70.79   57.16
    3.00  -73.84   96.10  -68.10   68.65
    4.00  -76.38  111.10  -67.37   81.88
    5.00  -77.37  126.10  -66.00   90.65
    6.00  -77.10  141.10  -64.03   97.23
    7.00  -76.75  156.10  -62.42  104.13
    8.00  -77.53  171.10  -62.37  111.99
    9.00  -77.32  186.10  -61.77  119.21
   10.00  -77.32  201.10  -61.82  126.56
   11.00  -77.11  216.10  -62.12  133.99
   12.00  -76.75  231.10  -62.74  141.64
   13.00  -76.62  246.10  -64.02  149.26
   14.00  -76.69  261.10  -65.89  156.59
   15.00  -76.25  276.10  -67.73  164.71
   16.00  -76.10  291.10  -70.19  172.36
   17.00  -74.63  306.10  -72.21  183.81
   18.00  -74.36  321.10  -75.43  193.13
   19.00  -74.98  336.10  -79.37  199.40
   20.00  -74.37  351.10  -82.92  214.34
   21.00  -72.46    6.10  -85.34  259.76
   22.00  -71.82   21.10  -85.33  327.84
   23.00  -70.90   36.10  -81.34    4.96
</PRE>


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