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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>
01 Aug 1997 21:50:28 yearsecs  18395428
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.03  101.73  -56.25   54.83
    1.00  -63.38  116.73  -53.70   67.29
    2.00  -64.00  131.73  -52.01   79.06
    3.00  -64.62  146.73  -50.96   90.10
    4.00  -64.34  161.73  -49.54  100.43
    5.00  -65.61  176.73  -50.12  111.16
    6.00  -65.93  191.73  -50.26  121.28
    7.00  -65.80  206.73  -50.56  131.26
    8.00  -66.50  221.73  -52.25  141.07
    9.00  -65.94  236.73  -53.25  151.40
   10.00  -65.50  251.73  -54.78  162.06
   11.00  -65.31  266.73  -56.91  172.92
   12.00  -65.34  281.73  -59.62  183.89
   13.00  -65.60  296.73  -62.97  194.94
   14.00  -66.08  311.73  -66.93  206.29
   15.00  -66.79  326.73  -71.32  218.69
   16.00  -67.72  341.73  -75.87  233.49
   17.00  -68.84  356.73  -80.27  254.11
   18.00  -68.84   11.73  -82.32  292.56
   19.00  -68.16   26.73  -80.54  335.47
   20.00  -66.88   41.73  -75.74    1.33
   21.00  -65.79   56.73  -70.42   18.03
   22.00  -64.65   71.73  -65.08   30.94
   23.00  -63.51   86.73  -60.10   42.65
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.62  101.73  -65.85   69.47
    1.00  -73.74  116.73  -64.07   80.11
    2.00  -74.71  131.73  -62.79   89.58
    3.00  -76.14  146.73  -62.56   98.91
    4.00  -78.64  161.73  -63.94  108.34
    5.00  -79.51  176.73  -64.20  115.56
    6.00  -78.95  191.73  -63.41  122.09
    7.00  -78.39  206.73  -63.04  129.04
    8.00  -79.27  221.73  -64.54  135.46
    9.00  -79.03  236.73  -65.34  142.29
   10.00  -79.08  251.73  -66.78  148.77
   11.00  -78.87  266.73  -68.39  155.47
   12.00  -78.56  281.73  -70.29  162.33
   13.00  -78.36  296.73  -72.63  168.74
   14.00  -78.45  311.73  -75.43  173.63
   15.00  -78.05  326.73  -78.30  179.70
   16.00  -77.92  341.73  -81.49  183.04
   17.00  -76.57  356.73  -84.94  195.67
   18.00  -76.40   11.73  -88.67  182.97
   19.00  -76.92   26.73  -86.97   63.36
   20.00  -76.28   41.73  -83.10   51.14
   21.00  -74.39   56.73  -78.23   46.55
   22.00  -73.54   71.73  -73.67   53.01
   23.00  -72.75   86.73  -69.31   60.41
</PRE>


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