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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>
09 Jul 1997 02:45:59 yearsecs  16339559
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.69   30.45  -71.04  334.89
    1.00  -61.34   45.45  -68.08  357.40
    2.00  -61.99   60.45  -64.83   15.42
    3.00  -62.64   75.45  -61.78   31.11
    4.00  -61.86   90.45  -57.35   43.57
    5.00  -62.96  105.45  -55.41   57.82
    6.00  -63.73  120.45  -53.44   70.49
    7.00  -64.28  135.45  -51.83   81.94
    8.00  -64.83  150.45  -50.86   92.81
    9.00  -64.19  165.45  -49.18  102.97
   10.00  -63.78  180.45  -48.19  113.33
   11.00  -63.58  195.45  -47.99  123.71
   12.00  -63.62  210.45  -48.65  134.06
   13.00  -63.87  225.45  -50.11  144.42
   14.00  -64.36  240.45  -52.24  154.76
   15.00  -65.06  255.45  -54.93  164.99
   16.00  -65.99  270.45  -58.15  174.98
   17.00  -66.85  285.45  -61.68  184.87
   18.00  -66.53  300.45  -64.62  196.48
   19.00  -66.48  315.45  -68.20  208.79
   20.00  -64.97  330.45  -70.68  226.13
   21.00  -63.87  345.45  -73.24  247.09
   22.00  -62.41    0.45  -74.50  274.70
   23.00  -61.25   15.45  -73.87  306.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.60   30.45  -79.22  342.77
    1.00  -68.35   45.45  -76.33   10.44
    2.00  -69.27   60.45  -73.08   30.34
    3.00  -70.05   75.45  -69.76   45.60
    4.00  -72.17   90.45  -67.94   61.44
    5.00  -73.91  105.45  -66.26   74.11
    6.00  -73.88  120.45  -63.60   82.37
    7.00  -73.33  135.45  -60.99   89.97
    8.00  -74.29  150.45  -60.41   99.15
    9.00  -74.35  165.45  -59.43  107.38
   10.00  -74.31  180.45  -58.80  115.59
   11.00  -74.09  195.45  -58.46  123.81
   12.00  -73.82  210.45  -58.59  132.14
   13.00  -73.80  225.45  -59.48  140.48
   14.00  -73.82  240.45  -60.87  148.87
   15.00  -73.35  255.45  -62.27  157.81
   16.00  -73.28  270.45  -64.42  166.54
   17.00  -71.85  285.45  -65.89  177.69
   18.00  -71.53  300.45  -68.74  187.77
   19.00  -72.02  315.45  -72.57  196.68
   20.00  -71.29  330.45  -75.79  210.46
   21.00  -69.29  345.45  -78.08  233.77
   22.00  -68.78    0.45  -80.91  262.25
   23.00  -67.42   15.45  -80.81  304.62
</PRE>


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