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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
25 Jun 1997 17:34:20 yearsecs  15183260
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.58  168.39  -47.39  104.52
    1.00  -63.12  183.39  -47.48  115.28
    2.00  -63.66  198.39  -48.14  125.74
    3.00  -64.20  213.39  -49.41  136.00
    4.00  -63.88  228.39  -50.42  146.48
    5.00  -65.19  243.39  -53.38  156.39
    6.00  -65.58  258.39  -55.83  166.71
    7.00  -65.49  273.39  -58.21  177.60
    8.00  -66.19  288.39  -61.69  187.85
    9.00  -65.58  303.39  -64.48  200.21
   10.00  -65.13  318.39  -67.77  213.76
   11.00  -64.94  333.39  -71.39  229.50
   12.00  -64.98  348.39  -74.93  249.44
   13.00  -65.23    3.39  -77.80  276.86
   14.00  -65.72   18.39  -78.77  312.50
   15.00  -66.42   33.39  -77.27  346.37
   16.00  -67.36   48.39  -74.46   11.70
   17.00  -68.51   63.39  -71.51   31.16
   18.00  -68.55   78.39  -67.54   44.51
   19.00  -67.85   93.39  -63.16   55.11
   20.00  -66.51  108.39  -58.55   64.50
   21.00  -65.41  123.39  -54.70   74.26
   22.00  -64.22  138.39  -51.41   83.98
   23.00  -63.03  153.39  -48.77   93.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.57  168.39  -57.48  108.16
    1.00  -73.70  183.39  -58.12  117.08
    2.00  -74.68  198.39  -59.09  125.40
    3.00  -75.69  213.39  -60.58  133.17
    4.00  -78.25  228.39  -63.97  139.20
    5.00  -79.22  243.39  -66.09  144.98
    6.00  -78.69  258.39  -67.20  152.25
    7.00  -78.11  273.39  -68.72  159.83
    8.00  -79.05  288.39  -71.64  163.64
    9.00  -78.81  303.39  -74.05  169.63
   10.00  -78.85  318.39  -76.86  173.81
   11.00  -78.74  333.39  -79.80  177.08
   12.00  -78.35  348.39  -82.91  179.09
   13.00  -78.16    3.39  -86.01  169.19
   14.00  -78.26   18.39  -87.28  113.71
   15.00  -77.84   33.39  -85.13   69.74
   16.00  -77.65   48.39  -81.60   63.62
   17.00  -76.14   63.39  -77.42   58.88
   18.00  -75.89   78.39  -73.63   64.90
   19.00  -76.56   93.39  -70.80   74.03
   20.00  -75.98  108.39  -67.50   79.77
   21.00  -74.09  123.39  -63.35   84.28
   22.00  -73.36  138.39  -60.68   91.65
   23.00  -72.63  153.39  -58.50   99.52
</PRE>


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