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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>
29 Apr 1997 20:43:06 yearsecs  10269786
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.77  116.87  -54.09   67.79
    1.00  -63.72  131.87  -51.70   78.93
    2.00  -64.51  146.87  -50.84   90.13
    3.00  -65.30  161.87  -50.51  100.92
    4.00  -65.07  176.87  -49.58  111.12
    5.00  -66.21  191.87  -50.54  121.38
    6.00  -66.45  206.87  -51.20  131.27
    7.00  -66.32  221.87  -52.09  141.22
    8.00  -67.00  236.87  -54.24  150.96
    9.00  -66.51  251.87  -55.71  161.46
   10.00  -66.09  266.87  -57.63  172.32
   11.00  -65.90  281.87  -60.14  183.37
   12.00  -65.93  296.87  -63.29  194.58
   13.00  -66.19  311.87  -67.06  206.22
   14.00  -66.68  326.87  -71.26  219.05
   15.00  -67.38  341.87  -75.61  234.54
   16.00  -68.31  356.87  -79.81  256.08
   17.00  -69.38   11.87  -82.91  292.16
   18.00  -69.28   26.87  -81.75  338.33
   19.00  -68.66   41.87  -77.63    6.21
   20.00  -67.47   56.87  -72.24   21.92
   21.00  -66.42   71.87  -67.03   34.39
   22.00  -65.34   86.87  -62.09   45.62
   23.00  -64.33  101.87  -57.61   56.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.38  116.87  -63.71   79.63
    1.00  -74.43  131.87  -62.51   89.30
    2.00  -75.38  146.87  -61.80   98.23
    3.00  -77.56  161.87  -62.86  107.57
    4.00  -79.80  176.87  -64.50  115.75
    5.00  -80.48  191.87  -64.98  122.28
    6.00  -79.99  206.87  -64.67  128.65
    7.00  -79.55  221.87  -64.83  135.33
    8.00  -80.28  236.87  -66.51  140.99
    9.00  -80.16  251.87  -67.72  147.18
   10.00  -80.34  266.87  -69.52  152.57
   11.00  -79.99  281.87  -71.25  158.75
   12.00  -79.68  296.87  -73.36  164.59
   13.00  -79.44  311.87  -75.83  169.67
   14.00  -79.45  326.87  -78.60  172.41
   15.00  -79.07  341.87  -81.50  174.75
   16.00  -79.02  356.87  -84.37  167.98
   17.00  -78.07   11.87  -87.34  145.58
   18.00  -78.02   26.87  -86.40   81.67
   19.00  -78.18   41.87  -83.13   68.75
   20.00  -77.44   56.87  -79.52   63.60
   21.00  -75.65   71.87  -75.05   60.77
   22.00  -74.51   86.87  -70.70   65.09
   23.00  -73.60  101.87  -66.70   71.47
</PRE>


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