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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>
02 Apr 1997 12:40:21 yearsecs   7908021
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.76  243.71  -45.44  160.69
    1.00  -57.12  258.71  -48.06  172.40
    2.00  -57.48  273.71  -50.98  184.39
    3.00  -57.83  288.71  -54.15  196.70
    4.00  -58.19  303.71  -57.72  209.40
    5.00  -58.96  318.71  -62.10  222.60
    6.00  -60.92  333.71  -67.69  236.33
    7.00  -62.54  348.71  -72.64  254.17
    8.00  -62.16    3.71  -74.60  281.41
    9.00  -61.60   18.71  -74.02  313.13
   10.00  -61.20   33.71  -70.93  340.58
   11.00  -61.01   48.71  -66.76    1.03
   12.00  -61.06   63.71  -62.77   17.42
   13.00  -61.32   78.71  -59.38   32.20
   14.00  -61.81   93.71  -56.58   46.39
   15.00  -62.52  108.71  -54.28   59.99
   16.00  -63.45  123.71  -52.61   72.69
   17.00  -64.61  138.71  -51.78   84.48
   18.00  -64.85  153.71  -50.61   95.08
   19.00  -63.46  168.71  -48.27  105.02
   20.00  -61.80  183.71  -46.15  115.31
   21.00  -60.59  198.71  -45.12  126.00
   22.00  -58.75  213.71  -44.17  137.16
   23.00  -57.66  228.71  -44.49  148.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.19  243.71  -57.95  153.51
    1.00  -71.13  258.71  -60.78  162.08
    2.00  -72.01  273.71  -63.90  170.25
    3.00  -72.46  288.71  -67.02  178.64
    4.00  -73.19  303.71  -70.70  186.15
    5.00  -74.50  318.71  -74.95  191.26
    6.00  -74.39  333.71  -78.50  200.81
    7.00  -73.77  348.71  -82.00  216.36
    8.00  -73.81    3.71  -85.86  239.25
    9.00  -74.22   18.71  -88.12  330.08
   10.00  -73.73   33.71  -84.27   19.53
   11.00  -73.42   48.71  -79.86   35.17
   12.00  -73.24   63.71  -75.57   46.41
   13.00  -73.09   78.71  -71.55   56.15
   14.00  -73.14   93.71  -68.03   65.68
   15.00  -72.99  108.71  -64.80   74.30
   16.00  -73.38  123.71  -62.62   83.47
   17.00  -73.63  138.71  -60.91   92.10
   18.00  -73.23  153.71  -59.09  100.14
   19.00  -72.23  168.71  -57.12  108.20
   20.00  -71.85  183.71  -56.24  116.90
   21.00  -71.00  198.71  -55.40  125.76
   22.00  -71.08  213.71  -56.06  134.72
   23.00  -70.10  228.71  -56.26  144.20
</PRE>


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