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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>
25 Jun 1997 14:13:20 yearsecs  15171200
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.70  226.30  -47.18  146.02
    1.00  -61.35  241.30  -49.54  156.82
    2.00  -62.00  256.30  -52.27  167.65
    3.00  -62.65  271.30  -55.31  178.56
    4.00  -61.85  286.30  -57.39  191.03
    5.00  -62.94  301.30  -61.62  202.04
    6.00  -63.82  316.30  -66.07  213.90
    7.00  -64.22  331.30  -70.21  228.44
    8.00  -64.59  346.30  -74.11  247.02
    9.00  -64.30    1.30  -76.57  273.87
   10.00  -63.87   16.30  -76.80  307.68
   11.00  -63.67   31.30  -74.50  338.74
   12.00  -63.69   46.30  -70.79    1.74
   13.00  -63.94   61.30  -67.00   19.42
   14.00  -64.41   76.30  -63.65   34.75
   15.00  -65.10   91.30  -60.79   48.98
   16.00  -66.02  106.30  -58.47   62.29
   17.00  -67.17  121.30  -56.85   74.55
   18.00  -67.15  136.30  -54.68   84.73
   19.00  -66.50  151.30  -52.49   94.33
   20.00  -64.97  166.30  -49.92  103.84
   21.00  -63.87  181.30  -48.27  113.94
   22.00  -62.41  196.30  -46.85  124.28
   23.00  -61.26  211.30  -46.43  135.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.57  226.30  -57.43  142.06
    1.00  -72.31  241.30  -59.60  150.51
    2.00  -73.21  256.30  -62.26  158.46
    3.00  -73.98  271.30  -65.14  166.01
    4.00  -76.06  286.30  -69.30  170.12
    5.00  -77.13  301.30  -72.77  174.26
    6.00  -76.96  316.30  -75.71  181.06
    7.00  -76.67  331.30  -78.89  188.26
    8.00  -76.97  346.30  -82.45  190.73
    9.00  -76.98    1.30  -86.02  188.82
   10.00  -76.87   16.30  -88.84  122.23
   11.00  -76.59   31.30  -85.88   53.95
   12.00  -76.30   46.30  -81.90   52.77
   13.00  -76.21   61.30  -77.98   58.30
   14.00  -76.15   76.30  -74.28   64.82
   15.00  -75.68   91.30  -70.60   70.63
   16.00  -75.55  106.30  -67.52   77.85
   17.00  -74.36  121.30  -63.91   83.54
   18.00  -74.17  136.30  -61.71   91.37
   19.00  -74.67  151.30  -60.71   99.93
   20.00  -74.15  166.30  -59.18  107.74
   21.00  -72.58  181.30  -57.02  115.65
   22.00  -72.28  196.30  -56.65  124.31
   23.00  -71.27  211.30  -56.12  133.24
</PRE>


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