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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>
23 Jul 1997 15:16:48 yearsecs  17594208
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.21  211.18  -47.34  134.78
    1.00  -63.86  226.18  -50.17  144.94
    2.00  -65.38  241.18  -53.27  154.74
    3.00  -67.90  256.18  -57.57  163.36
    4.00  -68.04  271.18  -60.07  173.43
    5.00  -69.31  286.18  -63.93  182.09
    6.00  -69.90  301.18  -67.62  191.44
    7.00  -70.40  316.18  -71.56  201.30
    8.00  -71.83  331.18  -76.34  209.28
    9.00  -70.82  346.18  -79.45  229.01
   10.00  -69.75    1.18  -81.97  260.52
   11.00  -69.06   16.18  -82.62  306.35
   12.00  -68.68   31.18  -80.26  346.91
   13.00  -68.59   46.18  -76.37   12.11
   14.00  -68.75   61.18  -72.36   29.63
   15.00  -69.17   76.18  -68.72   44.07
   16.00  -69.82   91.18  -65.61   57.04
   17.00  -69.53  106.18  -62.03   67.12
   18.00  -69.41  121.18  -59.13   76.95
   19.00  -68.19  136.18  -55.76   85.50
   20.00  -67.22  151.18  -53.23   94.66
   21.00  -65.20  166.18  -50.16  103.84
   22.00  -63.54  181.18  -47.93  113.79
   23.00  -62.35  196.18  -46.78  124.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.21  211.18  -52.16  133.97
    1.00  -68.86  226.18  -54.87  143.14
    2.00  -70.38  241.18  -57.82  151.79
    3.00  -74.98  256.18  -63.78  156.37
    4.00  -77.76  271.18  -68.14  159.54
    5.00  -78.39  286.18  -70.88  164.53
    6.00  -77.85  301.18  -73.16  171.99
    7.00  -77.43  316.18  -75.89  179.16
    8.00  -77.97  331.18  -79.22  181.15
    9.00  -77.68  346.18  -82.47  184.95
   10.00  -77.75    1.18  -85.76  177.81
   11.00  -77.23   16.18  -88.44  123.97
   12.00  -77.05   31.18  -85.86   60.90
   13.00  -76.52   46.18  -81.98   54.48
   14.00  -76.27   61.18  -78.04   58.52
   15.00  -75.60   76.18  -73.97   62.76
   16.00  -75.49   91.18  -70.48   70.04
   17.00  -74.53  106.18  -66.67   75.73
   18.00  -74.41  121.18  -63.98   83.55
   19.00  -73.19  136.18  -60.77   90.23
   20.00  -72.22  151.18  -58.28   97.94
   21.00  -70.20  166.18  -55.21  105.80
   22.00  -68.54  181.18  -52.95  114.72
   23.00  -67.35  196.18  -51.73  124.24
</PRE>


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