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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 May 1997 19:38:27 yearsecs  12857907
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.28  131.62  -54.38   80.83
    1.00  -66.18  146.62  -52.58   90.97
    2.00  -66.96  161.62  -52.20  101.46
    3.00  -67.74  176.62  -52.27  111.60
    4.00  -67.31  191.62  -51.63  121.28
    5.00  -67.92  206.62  -52.61  130.92
    6.00  -67.77  221.62  -53.45  140.60
    7.00  -67.96  236.62  -55.09  150.30
    8.00  -68.81  251.62  -57.74  159.60
    9.00  -69.17  266.62  -60.29  169.17
   10.00  -68.94  281.62  -62.73  179.50
   11.00  -68.75  296.62  -65.65  190.20
   12.00  -68.78  311.62  -69.17  201.29
   13.00  -69.04  326.62  -73.13  213.44
   14.00  -69.52  341.62  -77.32  227.98
   15.00  -70.23  356.62  -81.47  248.54
   16.00  -70.94   11.62  -84.57  288.01
   17.00  -71.19   26.62  -83.80  344.29
   18.00  -71.29   41.62  -80.22   15.79
   19.00  -70.68   56.62  -75.46   30.92
   20.00  -69.84   71.62  -70.57   41.93
   21.00  -69.03   86.62  -65.95   52.07
   22.00  -68.35  101.62  -61.82   62.08
   23.00  -67.44  116.62  -57.93   71.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.09  131.62  -61.23   87.55
    1.00  -74.13  146.62  -60.59   96.93
    2.00  -74.90  161.62  -60.20  105.62
    3.00  -79.59  176.62  -64.29  115.55
    4.00  -81.32  191.62  -65.85  122.25
    5.00  -81.69  206.62  -66.40  128.00
    6.00  -81.14  221.62  -66.38  134.09
    7.00  -80.36  236.62  -66.56  140.80
    8.00  -80.47  251.62  -67.96  146.58
    9.00  -80.47  266.62  -69.58  152.20
   10.00  -80.29  281.62  -71.40  157.87
   11.00  -80.26  296.62  -73.60  162.60
   12.00  -80.42  311.62  -76.09  165.50
   13.00  -80.21  326.62  -78.63  168.27
   14.00  -80.04  341.62  -81.30  167.97
   15.00  -79.83  356.62  -83.90  160.94
   16.00  -79.68   11.62  -85.70  136.08
   17.00  -79.46   26.62  -85.33   97.67
   18.00  -80.30   41.62  -82.50   86.61
   19.00  -80.43   56.62  -79.79   82.08
   20.00  -79.68   71.62  -76.85   78.31
   21.00  -78.04   86.62  -73.14   75.76
   22.00  -75.64  101.62  -68.47   75.68
   23.00  -74.13  116.62  -64.45   80.66
</PRE>


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