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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>
28 Sep 1997 13:28:56 yearsecs  23376536
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.80  228.14  -49.37  146.67
    1.00  -63.27  243.14  -51.58  157.23
    2.00  -63.84  258.14  -54.23  167.80
    3.00  -64.40  273.14  -57.20  178.44
    4.00  -64.12  288.14  -59.81  190.11
    5.00  -65.42  303.14  -64.27  200.24
    6.00  -65.76  318.14  -68.26  212.45
    7.00  -65.64  333.14  -71.95  227.85
    8.00  -66.17  348.14  -75.99  246.50
    9.00  -65.73    3.14  -78.27  275.51
   10.00  -65.31   18.14  -78.33  311.85
   11.00  -65.12   33.14  -75.82  343.81
   12.00  -65.15   48.14  -72.05    6.61
   13.00  -65.41   63.14  -68.23   24.00
   14.00  -65.89   78.14  -64.84   39.02
   15.00  -66.60   93.14  -61.95   52.84
   16.00  -67.53  108.14  -59.64   65.65
   17.00  -68.67  123.14  -58.08   77.41
   18.00  -68.70  138.14  -56.04   87.20
   19.00  -68.01  153.14  -53.87   96.41
   20.00  -66.69  168.14  -51.56  105.69
   21.00  -65.60  183.14  -49.96  115.48
   22.00  -64.43  198.14  -48.88  125.55
   23.00  -63.26  213.14  -48.48  135.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.99  228.14  -58.93  142.43
    1.00  -74.12  243.14  -61.45  150.11
    2.00  -75.09  258.14  -64.14  157.27
    3.00  -76.25  273.14  -67.25  163.26
    4.00  -78.75  288.14  -71.42  164.35
    5.00  -79.68  303.14  -74.40  166.45
    6.00  -79.16  318.14  -76.90  172.36
    7.00  -78.97  333.14  -79.77  175.68
    8.00  -79.41  348.14  -82.63  170.35
    9.00  -79.09    3.14  -85.36  158.99
   10.00  -79.13   18.14  -86.37  117.80
   11.00  -78.94   33.14  -84.69   82.39
   12.00  -78.58   48.14  -81.67   70.73
   13.00  -78.38   63.14  -78.30   70.31
   14.00  -78.49   78.14  -75.10   74.59
   15.00  -78.08   93.14  -71.89   78.33
   16.00  -77.91  108.14  -69.11   83.87
   17.00  -76.46  123.14  -65.58   87.78
   18.00  -76.24  138.14  -63.51   94.74
   19.00  -76.87  153.14  -62.75  102.78
   20.00  -76.32  168.14  -61.28  109.87
   21.00  -74.50  183.14  -58.93  117.10
   22.00  -73.77  198.14  -58.17  125.31
   23.00  -73.06  213.14  -57.97  133.85
</PRE>


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