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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>
26 Jul 1997 00:58:02 yearsecs  17801882
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.30   56.26  -66.35   11.42
    1.00  -63.51   71.26  -63.88   28.56
    2.00  -64.30   86.26  -61.09   43.43
    3.00  -67.75  101.26  -61.30   60.91
    4.00  -67.37  116.26  -57.93   71.24
    5.00  -68.04  131.26  -56.24   82.14
    6.00  -68.00  146.26  -54.47   91.93
    7.00  -68.46  161.26  -53.74  101.91
    8.00  -69.23  176.26  -53.78  111.76
    9.00  -69.45  191.26  -53.77  121.19
   10.00  -69.15  206.26  -53.80  130.54
   11.00  -68.87  221.26  -54.46  140.02
   12.00  -68.83  236.26  -55.85  149.60
   13.00  -69.04  251.26  -57.89  159.19
   14.00  -69.48  266.26  -60.50  168.60
   15.00  -70.16  281.26  -63.70  177.60
   16.00  -70.81  296.26  -67.26  186.41
   17.00  -70.92  311.26  -70.77  196.44
   18.00  -71.06  326.26  -74.56  207.59
   19.00  -70.40  341.26  -77.90  224.53
   20.00  -69.59  356.26  -80.84  250.46
   21.00  -68.82   11.26  -82.28  291.13
   22.00  -66.24   26.26  -78.45  331.45
   23.00  -64.02   41.26  -72.54  355.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.30   56.26  -72.22   20.84
    1.00  -68.51   71.26  -69.38   38.37
    2.00  -69.30   86.26  -66.30   52.33
    3.00  -75.78  101.26  -68.65   75.84
    4.00  -77.97  116.26  -67.89   87.42
    5.00  -77.97  131.26  -65.91   93.92
    6.00  -77.54  146.26  -63.97  100.17
    7.00  -76.44  161.26  -61.77  106.46
    8.00  -76.66  176.26  -61.31  114.13
    9.00  -76.78  191.26  -61.18  121.70
   10.00  -76.61  206.26  -61.22  129.25
   11.00  -76.77  221.26  -62.07  136.71
   12.00  -77.16  236.26  -63.55  143.86
   13.00  -77.01  251.26  -64.95  151.34
   14.00  -76.87  266.26  -66.74  158.83
   15.00  -76.72  281.26  -68.91  166.27
   16.00  -76.57  296.26  -71.47  173.62
   17.00  -76.40  311.26  -74.37  180.94
   18.00  -77.63  326.26  -78.08  181.68
   19.00  -77.87  341.26  -81.38  183.33
   20.00  -76.89  356.26  -84.82  191.96
   21.00  -74.68   11.26  -88.19  253.56
   22.00  -71.24   26.26  -83.92  343.47
   23.00  -69.02   41.26  -78.15    6.39
</PRE>


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