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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>
20 Jan 1997 01:43:29 yearsecs   1647809
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.44   51.60  -71.43   11.44
    1.00  -64.85   66.60  -66.66   26.38
    2.00  -65.87   81.60  -63.95   42.01
    3.00  -66.90   96.60  -61.47   56.05
    4.00  -66.66  111.60  -58.07   67.05
    5.00  -67.50  126.60  -56.35   78.51
    6.00  -67.53  141.60  -54.46   88.54
    7.00  -67.47  156.60  -53.06   98.37
    8.00  -68.20  171.60  -52.93  108.48
    9.00  -68.02  186.60  -52.35  118.10
   10.00  -67.68  201.60  -52.18  127.73
   11.00  -67.49  216.60  -52.78  137.43
   12.00  -67.52  231.60  -54.14  147.21
   13.00  -67.78  246.60  -56.14  157.02
   14.00  -68.26  261.60  -58.70  166.70
   15.00  -68.97  276.60  -61.82  176.06
   16.00  -69.84  291.60  -65.48  184.96
   17.00  -70.59  306.60  -69.41  193.87
   18.00  -70.44  321.60  -72.93  205.49
   19.00  -69.89  336.60  -76.33  220.99
   20.00  -68.92  351.60  -79.23  244.40
   21.00  -67.97    6.60  -81.00  279.54
   22.00  -67.10   21.60  -80.07  321.13
   23.00  -66.27   36.60  -76.35  351.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.78   51.60  -79.86   45.23
    1.00  -75.76   66.60  -76.42   58.63
    2.00  -76.66   81.60  -73.38   69.04
    3.00  -80.27   96.60  -72.61   86.33
    4.00  -82.03  111.60  -71.57   95.65
    5.00  -82.40  126.60  -70.21  100.67
    6.00  -82.05  141.60  -68.60  104.57
    7.00  -81.75  156.60  -67.31  109.29
    8.00  -81.86  171.60  -66.75  114.85
    9.00  -81.57  186.60  -66.13  120.35
   10.00  -81.55  201.60  -66.16  126.12
   11.00  -81.26  216.60  -66.28  132.05
   12.00  -81.25  231.60  -67.04  137.85
   13.00  -80.95  246.60  -67.90  143.92
   14.00  -80.81  261.60  -69.27  149.70
   15.00  -80.49  276.60  -70.85  155.66
   16.00  -80.51  291.60  -72.96  160.33
   17.00  -80.21  306.60  -75.19  165.34
   18.00  -80.53  321.60  -77.79  166.31
   19.00  -80.24  336.60  -80.38  167.66
   20.00  -79.48  351.60  -83.23  167.99
   21.00  -77.97    6.60  -86.69  165.01
   22.00  -76.35   21.60  -88.42   59.76
   23.00  -75.24   36.60  -84.22   38.17
</PRE>


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