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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>
29 Sep 1997 01:17:34 yearsecs  23419054
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.16   50.28  -72.62   11.30
    1.00  -66.26   65.28  -68.61   27.83
    2.00  -67.02   80.28  -65.50   42.99
    3.00  -67.78   95.28  -62.66   56.44
    4.00  -67.33  110.28  -59.01   66.94
    5.00  -67.92  125.28  -56.99   78.05
    6.00  -67.77  140.28  -54.85   87.85
    7.00  -67.97  155.28  -53.66   97.78
    8.00  -68.78  170.28  -53.57  107.82
    9.00  -69.22  185.28  -53.57  117.43
   10.00  -69.00  200.28  -53.46  126.81
   11.00  -68.82  215.28  -53.97  136.25
   12.00  -68.85  230.28  -55.24  145.76
   13.00  -69.11  245.28  -57.17  155.25
   14.00  -69.60  260.28  -59.67  164.58
   15.00  -70.30  275.28  -62.73  173.51
   16.00  -71.00  290.28  -66.16  182.16
   17.00  -71.22  305.28  -69.59  191.64
   18.00  -71.34  320.28  -73.27  202.03
   19.00  -70.72  335.28  -76.61  216.91
   20.00  -69.89  350.28  -79.73  238.71
   21.00  -69.09    5.28  -81.98  273.24
   22.00  -68.42   20.28  -81.68  318.60
   23.00  -67.42   35.28  -77.96  351.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.16   50.28  -77.67   26.08
    1.00  -72.25   65.28  -74.39   43.98
    2.00  -73.02   80.28  -71.10   56.97
    3.00  -78.30   95.28  -71.64   79.81
    4.00  -80.19  110.28  -70.49   90.26
    5.00  -80.56  125.28  -68.86   96.22
    6.00  -79.87  140.28  -66.72  100.60
    7.00  -79.00  155.28  -64.70  105.79
    8.00  -79.03  170.28  -63.93  112.45
    9.00  -79.04  185.28  -63.54  119.19
   10.00  -78.88  200.28  -63.40  125.98
   11.00  -78.92  215.28  -63.89  132.77
   12.00  -79.18  230.28  -64.99  139.30
   13.00  -79.00  245.28  -66.07  146.07
   14.00  -78.85  260.28  -67.56  152.79
   15.00  -78.67  275.28  -69.40  159.45
   16.00  -78.53  290.28  -71.64  165.77
   17.00  -78.34  305.28  -74.17  171.89
   18.00  -79.34  320.28  -77.34  171.98
   19.00  -79.55  335.28  -80.20  172.15
   20.00  -78.73  350.28  -83.22  175.16
   21.00  -76.91    5.28  -86.97  186.03
   22.00  -74.17   20.28  -87.84  341.24
   23.00  -72.42   35.28  -82.89   11.95
</PRE>


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