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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>
16 Apr 1997 13:13:05 yearsecs   9119585
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.37  236.46  -49.90  152.82
    1.00  -63.51  251.46  -52.94  163.13
    2.00  -64.38  266.46  -56.04  173.51
    3.00  -67.39  281.46  -61.37  181.34
    4.00  -67.03  296.46  -64.16  192.72
    5.00  -67.73  311.46  -68.27  203.18
    6.00  -67.65  326.46  -71.98  216.56
    7.00  -67.74  341.46  -75.82  233.08
    8.00  -68.42  356.46  -79.82  254.94
    9.00  -68.70   11.46  -82.16  291.93
   10.00  -68.43   26.46  -80.88  335.32
   11.00  -68.24   41.46  -77.29    4.35
   12.00  -68.27   56.46  -73.19   23.51
   13.00  -68.53   71.46  -69.34   38.60
   14.00  -69.02   86.46  -65.98   51.93
   15.00  -69.73  101.46  -63.20   64.17
   16.00  -70.50  116.46  -61.02   75.27
   17.00  -70.94  131.46  -59.14   85.11
   18.00  -70.95  146.46  -57.43   94.19
   19.00  -70.36  161.46  -55.65  102.97
   20.00  -69.47  176.46  -54.02  111.95
   21.00  -68.61  191.46  -52.93  121.26
   22.00  -65.82  206.46  -50.56  131.07
   23.00  -63.75  221.46  -49.62  141.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.37  236.46  -54.53  150.51
    1.00  -68.51  251.46  -57.45  159.73
    2.00  -69.38  266.46  -60.45  168.85
    3.00  -75.24  281.46  -67.84  169.36
    4.00  -77.56  296.46  -72.12  170.97
    5.00  -77.89  311.46  -75.14  175.68
    6.00  -76.92  326.46  -77.89  185.18
    7.00  -75.91  341.46  -81.05  196.87
    8.00  -76.22  356.46  -84.85  199.86
    9.00  -76.26   11.46  -88.67  190.03
   10.00  -76.35   26.46  -87.17   51.78
   11.00  -76.38   41.46  -83.19   51.95
   12.00  -76.73   56.46  -79.40   59.19
   13.00  -76.57   71.46  -75.66   64.30
   14.00  -76.52   86.46  -72.23   70.75
   15.00  -76.33  101.46  -69.05   77.20
   16.00  -76.38  116.46  -66.50   84.44
   17.00  -76.18  131.46  -64.23   91.39
   18.00  -77.16  146.46  -63.58   99.85
   19.00  -77.20  161.46  -62.52  107.11
   20.00  -76.09  176.46  -60.72  114.02
   21.00  -73.82  191.46  -58.17  121.59
   22.00  -70.82  206.46  -55.46  130.43
   23.00  -68.75  221.46  -54.35  140.19
</PRE>


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