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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>
10 Oct 1997 12:45:48 yearsecs  24410748
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.34  236.19  -45.03  154.60
    1.00  -57.54  251.19  -47.29  166.21
    2.00  -57.71  266.19  -49.88  178.08
    3.00  -57.86  281.19  -52.71  190.33
    4.00  -57.98  296.19  -55.85  202.99
    5.00  -58.48  311.19  -59.78  215.91
    6.00  -60.15  326.19  -65.12  228.87
    7.00  -61.46  341.19  -69.96  244.99
    8.00  -60.54  356.19  -71.95  269.11
    9.00  -60.24   11.19  -72.85  298.06
   10.00  -60.26   26.19  -71.36  327.31
   11.00  -60.42   41.19  -68.03  350.82
   12.00  -60.75   56.19  -64.36    9.17
   13.00  -61.25   71.19  -61.11   25.02
   14.00  -61.93   86.19  -58.39   39.87
   15.00  -62.79  101.19  -56.10   54.08
   16.00  -63.85  116.19  -54.30   67.36
   17.00  -65.10  131.19  -53.23   79.55
   18.00  -65.44  146.19  -51.86   90.22
   19.00  -64.17  161.19  -49.40   99.98
   20.00  -62.64  176.19  -47.15  110.10
   21.00  -61.43  191.19  -45.78  120.62
   22.00  -59.54  206.19  -44.43  131.50
   23.00  -58.36  221.19  -44.41  142.85
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.20  236.19  -59.87  146.91
    1.00  -74.05  251.19  -62.33  154.67
    2.00  -74.84  266.19  -65.06  161.93
    3.00  -75.27  281.19  -67.82  169.15
    4.00  -75.95  296.19  -71.05  175.22
    5.00  -77.10  311.19  -74.71  178.50
    6.00  -77.36  326.19  -77.98  182.95
    7.00  -76.52  341.19  -81.15  192.72
    8.00  -76.49  356.19  -84.80  196.65
    9.00  -76.78   11.19  -88.34  172.31
   10.00  -76.32   26.19  -87.24   51.24
   11.00  -76.01   41.19  -83.19   48.40
   12.00  -75.81   56.19  -79.12   53.79
   13.00  -75.64   71.19  -75.21   60.42
   14.00  -75.64   86.19  -71.68   67.96
   15.00  -75.47  101.19  -68.42   75.10
   16.00  -75.78  116.19  -66.01   83.22
   17.00  -75.96  131.19  -64.05   90.94
   18.00  -75.59  146.19  -62.07   98.09
   19.00  -74.75  161.19  -60.07  105.30
   20.00  -74.45  176.19  -59.06  113.30
   21.00  -73.76  191.19  -58.11  121.44
   22.00  -73.87  206.19  -58.47  129.77
   23.00  -73.08  221.19  -58.47  138.42
</PRE>


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