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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>
27 Apr 1997 22:47:19 yearsecs  10104439
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.50   86.57  -62.33   45.62
    1.00  -66.17  101.57  -59.61   58.84
    2.00  -66.96  116.57  -57.45   70.99
    3.00  -67.74  131.57  -55.89   82.08
    4.00  -67.34  146.57  -53.77   91.69
    5.00  -67.98  161.57  -53.24  101.88
    6.00  -67.90  176.57  -52.44  111.61
    7.00  -68.26  191.57  -52.58  121.31
    8.00  -69.37  206.57  -54.03  130.70
    9.00  -69.90  221.57  -55.46  139.86
   10.00  -69.87  236.57  -56.84  149.22
   11.00  -69.45  251.57  -58.30  159.06
   12.00  -69.32  266.57  -60.42  168.97
   13.00  -69.45  281.57  -63.16  178.78
   14.00  -69.83  296.57  -66.53  188.36
   15.00  -70.45  311.57  -70.48  197.73
   16.00  -71.06  326.57  -74.64  207.84
   17.00  -71.15  341.57  -78.53  222.01
   18.00  -71.27  356.57  -82.32  243.42
   19.00  -70.59   11.57  -84.19  288.73
   20.00  -69.73   26.57  -82.28  338.76
   21.00  -68.90   41.57  -77.95    6.48
   22.00  -68.23   56.57  -73.11   23.50
   23.00  -66.87   71.57  -67.60   35.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.50   86.57  -67.36   55.08
    1.00  -71.65  101.57  -65.00   67.57
    2.00  -72.43  116.57  -62.87   78.04
    3.00  -78.02  131.57  -65.92   94.14
    4.00  -79.94  146.57  -66.25  103.22
    5.00  -80.34  161.57  -65.65  109.73
    6.00  -79.63  176.57  -64.33  115.54
    7.00  -78.57  191.57  -63.02  121.99
    8.00  -78.62  206.57  -63.27  128.91
    9.00  -78.58  221.57  -63.86  135.82
   10.00  -78.32  236.57  -64.66  142.92
   11.00  -78.40  251.57  -66.18  149.66
   12.00  -78.69  266.57  -68.22  155.76
   13.00  -78.52  281.57  -70.24  162.35
   14.00  -78.35  296.57  -72.60  168.69
   15.00  -78.18  311.57  -75.29  174.63
   16.00  -78.00  326.57  -78.25  179.89
   17.00  -77.82  341.57  -81.45  183.74
   18.00  -78.94  356.57  -84.35  169.03
   19.00  -79.23   11.57  -86.15  138.27
   20.00  -78.44   26.57  -86.16   87.75
   21.00  -76.60   41.57  -83.20   54.00
   22.00  -73.70   56.57  -77.85   43.11
   23.00  -71.87   71.57  -72.40   47.56
</PRE>


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