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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 Jan 1997 22:22:10 yearsecs    166930
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.52  101.64  -57.86   56.65
    1.00  -65.67  116.64  -56.11   69.61
    2.00  -66.43  131.64  -54.54   80.97
    3.00  -67.89  146.64  -54.32   92.10
    4.00  -67.43  161.64  -52.68  101.68
    5.00  -68.00  176.64  -52.54  111.68
    6.00  -67.84  191.64  -52.16  121.33
    7.00  -68.10  206.64  -52.79  130.91
    8.00  -69.10  221.64  -54.70  140.18
    9.00  -69.34  236.64  -56.36  149.57
   10.00  -69.29  251.64  -58.16  159.24
   11.00  -69.07  266.64  -60.21  169.29
   12.00  -69.08  281.64  -62.85  179.33
   13.00  -69.32  296.64  -66.13  189.27
   14.00  -69.79  311.64  -69.98  199.24
   15.00  -70.49  326.64  -74.24  209.59
   16.00  -71.15  341.64  -78.54  222.08
   17.00  -71.28  356.64  -82.35  243.45
   18.00  -71.44   11.64  -85.10  286.59
   19.00  -70.80   26.64  -83.40  342.68
   20.00  -69.99   41.64  -79.01   10.32
   21.00  -69.20   56.64  -74.07   26.27
   22.00  -67.98   71.64  -68.74   37.49
   23.00  -66.02   86.64  -62.88   46.55
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.52  101.64  -62.96   63.95
    1.00  -70.67  116.64  -61.15   75.61
    2.00  -71.43  131.64  -59.60   85.72
    3.00  -77.29  146.64  -63.70  100.07
    4.00  -79.29  161.64  -64.60  108.83
    5.00  -79.67  176.64  -64.36  115.59
    6.00  -78.85  191.64  -63.31  122.04
    7.00  -77.65  206.64  -62.29  129.19
    8.00  -77.63  221.64  -62.93  136.42
    9.00  -77.51  236.64  -63.92  143.72
   10.00  -77.28  251.64  -65.22  151.19
   11.00  -77.39  266.64  -67.21  158.13
   12.00  -77.78  281.64  -69.73  164.12
   13.00  -77.66  296.64  -72.21  170.77
   14.00  -77.53  311.64  -75.01  177.09
   15.00  -77.40  326.64  -78.09  182.90
   16.00  -77.27  341.64  -81.40  187.65
   17.00  -77.12  356.64  -84.89  189.09
   18.00  -78.35   11.64  -87.04  143.94
   19.00  -78.69   26.64  -85.96   90.45
   20.00  -77.90   41.64  -83.21   66.20
   21.00  -76.00   56.64  -79.08   55.09
   22.00  -72.98   71.64  -73.27   51.08
   23.00  -71.02   86.64  -67.82   56.28
</PRE>


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