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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>
10 Jun 1997 23:58:31 yearsecs  13910311
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.23   68.11  -65.54   26.74
    1.00  -65.42   83.11  -63.09   42.53
    2.00  -66.22   98.11  -60.43   56.20
    3.00  -67.18  113.11  -58.31   68.78
    4.00  -66.76  128.11  -55.38   78.85
    5.00  -67.46  143.11  -54.23   89.48
    6.00  -67.49  158.11  -52.97   99.38
    7.00  -68.19  173.11  -52.85  109.45
    8.00  -69.10  188.11  -53.42  119.19
    9.00  -67.97  203.11  -52.52  128.67
   10.00  -67.64  218.11  -53.04  138.37
   11.00  -67.64  233.11  -54.41  148.15
   12.00  -67.80  248.11  -56.35  158.02
   13.00  -68.15  263.11  -58.84  167.83
   14.00  -68.71  278.11  -61.88  177.40
   15.00  -69.49  293.11  -65.51  186.54
   16.00  -70.23  308.11  -69.49  195.70
   17.00  -70.40  323.11  -73.29  206.82
   18.00  -70.59  338.11  -77.24  220.28
   19.00  -69.95  353.11  -80.45  243.17
   20.00  -69.15    8.11  -82.38  281.05
   21.00  -68.43   23.11  -81.38  326.56
   22.00  -67.70   38.11  -77.57  357.52
   23.00  -65.72   53.11  -71.34   13.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.23   68.11  -70.93   37.33
    1.00  -70.42   83.11  -68.14   52.37
    2.00  -71.22   98.11  -65.35   64.53
    3.00  -77.17  113.11  -67.71   84.41
    4.00  -79.20  128.11  -67.38   94.66
    5.00  -79.60  143.11  -66.22  101.35
    6.00  -78.80  158.11  -64.31  106.85
    7.00  -77.91  173.11  -62.68  113.14
    8.00  -77.80  188.11  -62.24  120.27
    9.00  -77.82  203.11  -62.37  127.46
   10.00  -77.62  218.11  -62.72  134.73
   11.00  -77.72  233.11  -63.82  141.85
   12.00  -78.04  248.11  -65.50  148.56
   13.00  -77.87  263.11  -67.12  155.69
   14.00  -77.70  278.11  -69.13  162.74
   15.00  -77.53  293.11  -71.50  169.66
   16.00  -77.36  308.11  -74.22  176.35
   17.00  -77.17  323.11  -77.25  182.79
   18.00  -78.36  338.11  -80.74  179.77
   19.00  -78.67  353.11  -83.80  174.25
   20.00  -77.81    8.11  -87.06  163.20
   21.00  -75.83   23.11  -88.09   38.87
   22.00  -72.70   38.11  -82.33   18.42
   23.00  -70.72   53.11  -76.49   27.50
</PRE>


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