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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>
27 Aug 1997 16:37:10 yearsecs  20623030
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.91  184.80  -50.25  116.65
    1.00  -65.56  199.80  -50.05  126.65
    2.00  -66.55  214.80  -51.76  136.47
    3.00  -67.52  229.80  -53.96  146.03
    4.00  -67.27  244.80  -55.45  156.14
    5.00  -68.07  259.80  -58.26  165.66
    6.00  -68.10  274.80  -60.76  175.85
    7.00  -68.21  289.80  -63.74  186.18
    8.00  -69.08  304.80  -67.78  195.55
    9.00  -69.19  319.80  -71.53  207.06
   10.00  -69.11  334.80  -75.28  221.40
   11.00  -68.63  349.80  -78.57  242.42
   12.00  -68.54    4.80  -81.36  273.52
   13.00  -68.70   19.80  -82.03  317.43
   14.00  -69.10   34.80  -79.88  355.53
   15.00  -69.73   49.80  -76.51   20.32
   16.00  -70.48   64.80  -73.01   37.89
   17.00  -71.00   79.80  -69.50   51.30
   18.00  -70.77   94.80  -65.67   61.44
   19.00  -69.94  109.80  -61.71   70.17
   20.00  -68.87  124.80  -58.01   78.71
   21.00  -68.24  139.80  -55.38   87.90
   22.00  -67.55  154.80  -53.28   97.24
   23.00  -66.78  169.80  -51.58  106.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.83  184.80  -56.20  117.54
    1.00  -72.90  199.80  -57.33  126.29
    2.00  -73.79  214.80  -58.78  134.56
    3.00  -78.35  229.80  -64.16  139.78
    4.00  -80.31  244.80  -67.19  144.15
    5.00  -80.67  259.80  -68.96  149.31
    6.00  -80.08  274.80  -70.33  156.05
    7.00  -79.39  289.80  -72.07  163.17
    8.00  -79.64  304.80  -74.67  167.07
    9.00  -79.49  319.80  -77.29  171.17
   10.00  -79.49  334.80  -80.11  172.53
   11.00  -79.36  349.80  -82.95  169.98
   12.00  -79.51    4.80  -85.26  152.23
   13.00  -79.28   19.80  -86.14  113.18
   14.00  -79.16   34.80  -84.27   82.74
   15.00  -78.90   49.80  -81.29   72.86
   16.00  -78.89   64.80  -78.05   73.30
   17.00  -78.59   79.80  -74.81   75.50
   18.00  -79.12   94.80  -72.24   82.14
   19.00  -78.85  109.80  -69.57   86.76
   20.00  -78.09  124.80  -66.81   91.30
   21.00  -76.31  139.80  -63.41   95.66
   22.00  -74.13  154.80  -59.90  101.40
   23.00  -72.65  169.80  -57.49  109.01
</PRE>


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