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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>
16 Apr 1997 11:30:40 yearsecs   9113440
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.13  259.61  -49.17  172.55
    1.00  -59.38  274.61  -52.91  183.75
    2.00  -60.12  289.61  -56.47  195.39
    3.00  -67.78  304.61  -66.66  197.71
    4.00  -67.40  319.61  -70.03  210.72
    5.00  -68.08  334.61  -74.39  223.98
    6.00  -68.20  349.61  -78.15  243.46
    7.00  -68.29    4.61  -81.08  273.68
    8.00  -69.11   19.61  -82.50  317.19
    9.00  -69.36   34.61  -80.20  356.02
   10.00  -69.08   49.61  -75.93   17.99
   11.00  -68.82   64.61  -71.49   33.11
   12.00  -68.80   79.61  -67.48   46.06
   13.00  -69.02   94.61  -64.04   58.06
   14.00  -69.47  109.61  -61.28   69.36
   15.00  -69.92  124.61  -59.10   79.75
   16.00  -69.81  139.61  -57.00   89.06
   17.00  -69.56  154.61  -55.32   98.26
   18.00  -70.83  169.61  -55.67  108.16
   19.00  -70.44  184.61  -54.80  117.20
   20.00  -69.63  199.61  -54.06  126.37
   21.00  -67.19  214.61  -52.37  136.21
   22.00  -63.07  229.61  -49.78  147.62
   23.00  -60.33  244.61  -49.02  159.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.13  259.61  -53.81  169.38
    1.00  -64.38  274.61  -57.45  179.55
    2.00  -65.12  289.61  -61.01  190.07
    3.00  -72.78  304.61  -70.60  187.69
    4.00  -75.29  319.61  -75.60  188.92
    5.00  -75.40  334.61  -79.19  196.38
    6.00  -75.16  349.61  -82.85  206.87
    7.00  -73.96    4.61  -86.18  239.68
    8.00  -74.33   19.61  -88.10  338.91
    9.00  -74.56   34.61  -84.49   29.03
   10.00  -74.44   49.61  -80.23   41.82
   11.00  -74.71   64.61  -76.32   53.00
   12.00  -75.23   79.61  -72.91   63.28
   13.00  -75.13   94.61  -69.48   70.90
   14.00  -75.03  109.61  -66.47   78.50
   15.00  -74.92  124.61  -63.96   86.13
   16.00  -74.81  139.61  -61.97   93.84
   17.00  -74.56  154.61  -60.34  101.62
   18.00  -75.83  169.61  -60.71  110.36
   19.00  -76.05  184.61  -60.49  118.21
   20.00  -74.84  199.61  -59.27  126.04
   21.00  -72.19  214.61  -57.20  134.94
   22.00  -68.07  229.61  -54.45  145.67
   23.00  -65.33  244.61  -53.66  157.16
</PRE>


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