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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 Apr 1997 13:49:55 yearsecs   8862595
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.82  228.24  -51.28  146.03
    1.00  -65.40  243.24  -53.55  156.16
    2.00  -66.33  258.24  -56.48  166.03
    3.00  -67.25  273.24  -59.73  175.70
    4.00  -66.93  288.24  -62.31  186.79
    5.00  -67.67  303.24  -66.24  196.84
    6.00  -67.63  318.24  -69.87  209.06
    7.00  -67.67  333.24  -73.71  223.50
    8.00  -68.48  348.24  -78.07  240.45
    9.00  -68.50    3.24  -81.11  269.67
   10.00  -68.20   18.24  -81.58  312.55
   11.00  -68.01   33.24  -79.07  349.42
   12.00  -68.04   48.24  -75.24   13.27
   13.00  -68.30   63.24  -71.34   30.47
   14.00  -68.78   78.24  -67.82   44.90
   15.00  -69.49   93.24  -64.82   57.91
   16.00  -70.29  108.24  -62.35   69.66
   17.00  -70.84  123.24  -60.22   79.95
   18.00  -70.79  138.24  -58.14   89.07
   19.00  -70.22  153.24  -56.10   97.81
   20.00  -69.30  168.24  -54.19  106.72
   21.00  -68.41  183.24  -52.79  116.01
   22.00  -67.62  198.24  -52.04  125.57
   23.00  -65.87  213.24  -51.01  135.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.82  228.24  -55.95  144.03
    1.00  -70.90  243.24  -58.54  152.71
    2.00  -71.78  258.24  -61.28  161.12
    3.00  -76.85  273.24  -67.74  162.20
    4.00  -78.99  288.24  -71.59  163.72
    5.00  -79.33  303.24  -74.26  167.74
    6.00  -78.56  318.24  -76.73  175.10
    7.00  -77.75  333.24  -79.61  182.87
    8.00  -78.00  348.24  -82.91  182.14
    9.00  -77.93    3.24  -86.10  172.52
   10.00  -78.02   18.24  -87.54  113.17
   11.00  -77.93   33.24  -85.13   71.08
   12.00  -78.16   48.24  -81.66   67.56
   13.00  -77.96   63.24  -78.16   68.07
   14.00  -77.89   78.24  -74.80   72.25
   15.00  -77.66   93.24  -71.60   77.12
   16.00  -77.72  108.24  -68.95   83.48
   17.00  -77.49  123.24  -66.49   89.55
   18.00  -78.23  138.24  -65.39   97.39
   19.00  -78.16  153.24  -64.02  104.05
   20.00  -77.17  168.24  -62.13  110.39
   21.00  -75.15  183.24  -59.59  117.30
   22.00  -72.63  198.24  -57.02  125.41
   23.00  -70.87  213.24  -55.84  134.49
</PRE>


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