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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>
13 Sep 1997 11:29:28 yearsecs  22073368
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.40  258.55  -52.98  169.09
    1.00  -63.18  273.55  -56.19  179.83
    2.00  -63.72  288.55  -59.54  190.86
    3.00  -64.26  303.55  -63.34  202.20
    4.00  -63.96  318.55  -66.76  215.80
    5.00  -65.28  333.55  -71.72  229.04
    6.00  -65.64  348.55  -75.59  248.31
    7.00  -65.60    3.55  -78.20  276.63
    8.00  -66.24   18.55  -79.35  312.96
    9.00  -65.60   33.55  -76.28  345.27
   10.00  -65.18   48.55  -71.97    7.20
   11.00  -64.99   63.55  -67.64   23.63
   12.00  -65.03   78.55  -63.78   37.85
   13.00  -65.29   93.55  -60.47   51.13
   14.00  -65.77  108.55  -57.75   63.68
   15.00  -66.48  123.55  -55.78   75.41
   16.00  -67.41  138.55  -54.68   86.43
   17.00  -67.77  153.55  -53.59   96.54
   18.00  -67.39  168.55  -52.25  106.21
   19.00  -67.90  183.55  -52.27  116.13
   20.00  -66.57  198.55  -51.00  125.80
   21.00  -64.85  213.55  -50.05  135.98
   22.00  -63.80  228.55  -50.35  146.62
   23.00  -62.69  243.55  -51.09  157.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.40  258.55  -57.47  165.38
    1.00  -68.67  273.55  -61.03  174.35
    2.00  -69.73  288.55  -64.77  183.06
    3.00  -70.87  303.55  -68.92  191.20
    4.00  -74.12  318.55  -74.69  192.44
    5.00  -75.03  333.55  -78.77  197.65
    6.00  -74.68  348.55  -82.39  209.77
    7.00  -74.02    3.55  -85.96  236.24
    8.00  -75.40   18.55  -89.20    3.60
    9.00  -75.16   33.55  -85.04   34.71
   10.00  -75.37   48.55  -80.97   47.04
   11.00  -75.28   63.55  -76.93   54.89
   12.00  -74.93   78.55  -72.96   61.73
   13.00  -74.83   93.55  -69.46   69.57
   14.00  -75.10  108.55  -66.72   78.08
   15.00  -74.69  123.55  -63.89   85.24
   16.00  -74.57  138.55  -61.85   93.03
   17.00  -72.77  153.55  -58.63   99.71
   18.00  -72.39  168.55  -57.29  108.18
   19.00  -73.17  183.55  -57.58  117.06
   20.00  -72.36  198.55  -56.76  125.61
   21.00  -69.85  213.55  -54.86  134.93
   22.00  -68.80  228.55  -55.03  144.68
   23.00  -67.69  243.55  -55.67  155.04
</PRE>


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