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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>
26 Jul 1997 21:22:20 yearsecs  17875340
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.42  108.35  -56.38   61.89
    1.00  -65.61  123.35  -54.92   74.42
    2.00  -66.41  138.35  -53.68   85.53
    3.00  -67.73  153.35  -53.57   96.39
    4.00  -67.36  168.35  -52.23  106.07
    5.00  -68.05  183.35  -52.42  116.02
    6.00  -68.02  198.35  -52.43  125.63
    7.00  -68.44  213.35  -53.48  135.13
    8.00  -69.63  228.35  -55.79  144.19
    9.00  -70.27  243.35  -57.98  153.23
   10.00  -69.82  258.35  -59.58  163.12
   11.00  -69.40  273.35  -61.62  173.37
   12.00  -69.25  288.35  -64.32  183.66
   13.00  -69.36  303.35  -67.68  193.97
   14.00  -69.73  318.35  -71.59  204.61
   15.00  -70.35  333.35  -75.85  216.21
   16.00  -70.95  348.35  -80.10  231.39
   17.00  -71.03    3.35  -83.55  260.37
   18.00  -71.14   18.35  -84.84  314.91
   19.00  -70.45   33.35  -81.60  357.60
   20.00  -69.58   48.35  -76.77   18.04
   21.00  -68.74   63.35  -71.75   31.71
   22.00  -67.85   78.35  -66.85   43.02
   23.00  -65.90   93.35  -61.17   51.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.42  108.35  -61.48   68.44
    1.00  -70.61  123.35  -59.98   79.75
    2.00  -71.41  138.35  -58.74   89.71
    3.00  -77.30  153.35  -63.16  103.28
    4.00  -79.32  168.35  -64.30  111.78
    5.00  -79.72  183.35  -64.27  118.52
    6.00  -78.94  198.35  -63.43  125.09
    7.00  -77.78  213.35  -62.66  132.37
    8.00  -77.80  228.35  -63.53  139.52
    9.00  -77.67  243.35  -64.69  146.77
   10.00  -77.49  258.35  -66.21  154.08
   11.00  -77.63  273.35  -68.35  160.77
   12.00  -77.96  288.35  -70.96  166.52
   13.00  -77.81  303.35  -73.54  172.98
   14.00  -77.65  318.35  -76.43  179.04
   15.00  -77.49  333.35  -79.58  184.40
   16.00  -77.32  348.35  -82.95  187.97
   17.00  -77.15    3.35  -86.45  184.23
   18.00  -78.35   18.35  -87.18  114.34
   19.00  -78.67   33.35  -84.79   79.40
   20.00  -77.85   48.35  -81.63   65.18
   21.00  -75.93   63.35  -77.33   57.84
   22.00  -72.85   78.35  -71.45   55.23
   23.00  -70.90   93.35  -66.12   60.71
</PRE>


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