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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>
04 May 1997 21:23:14 yearsecs  10704194
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.42  106.56  -51.26   54.85
    1.00  -60.06  121.56  -49.35   68.10
    2.00  -60.70  136.56  -47.95   80.29
    3.00  -61.34  151.56  -47.17   91.81
    4.00  -60.58  166.56  -45.44  102.56
    5.00  -61.56  181.56  -45.94  113.73
    6.00  -62.78  196.56  -47.22  124.46
    7.00  -63.58  211.56  -48.68  134.84
    8.00  -63.95  226.56  -50.29  145.17
    9.00  -63.34  241.56  -51.43  156.06
   10.00  -62.90  256.56  -53.13  167.27
   11.00  -62.71  271.56  -55.41  178.72
   12.00  -62.74  286.56  -58.25  190.34
   13.00  -63.00  301.56  -61.73  202.18
   14.00  -63.48  316.56  -65.83  214.65
   15.00  -64.19  331.56  -70.25  228.78
   16.00  -65.12  346.56  -74.66  246.35
   17.00  -66.28    1.56  -78.62  271.02
   18.00  -66.28   16.56  -79.51  307.86
   19.00  -65.54   31.56  -76.65  341.47
   20.00  -63.94   46.56  -71.04    2.47
   21.00  -62.82   61.56  -65.57   17.84
   22.00  -61.22   76.56  -59.77   30.05
   23.00  -60.08   91.56  -55.00   42.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.84  106.56  -65.08   72.77
    1.00  -73.47  121.56  -63.04   82.39
    2.00  -74.29  136.56  -61.80   91.65
    3.00  -74.92  151.56  -60.94  100.27
    4.00  -76.51  166.56  -61.55  109.18
    5.00  -77.57  181.56  -62.09  117.06
    6.00  -77.61  196.56  -62.06  124.33
    7.00  -77.03  211.56  -61.84  131.78
    8.00  -77.41  226.56  -63.03  138.93
    9.00  -77.37  241.56  -64.24  146.23
   10.00  -77.30  256.56  -65.82  153.51
   11.00  -77.18  271.56  -67.75  160.80
   12.00  -76.94  286.56  -69.97  168.24
   13.00  -76.86  301.56  -72.66  175.20
   14.00  -76.72  316.56  -75.65  182.08
   15.00  -76.30  331.56  -78.82  190.26
   16.00  -76.23  346.56  -82.38  196.69
   17.00  -75.40    1.56  -86.04  213.43
   18.00  -75.18   16.56  -89.32  315.98
   19.00  -75.34   31.56  -85.66   35.21
   20.00  -74.87   46.56  -81.29   42.37
   21.00  -73.61   61.56  -76.42   46.34
   22.00  -73.47   76.56  -72.39   55.91
   23.00  -72.45   91.56  -67.93   62.80
</PRE>


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