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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>
11 Oct 1997 14:14:52 yearsecs  24502492
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.32  214.69  -50.58  136.66
    1.00  -64.66  229.69  -51.27  147.10
    2.00  -65.72  244.69  -54.03  156.99
    3.00  -66.79  259.69  -57.10  166.67
    4.00  -66.57  274.69  -59.40  177.44
    5.00  -67.45  289.69  -63.06  187.16
    6.00  -67.51  304.69  -66.45  198.22
    7.00  -67.41  319.69  -70.05  210.78
    8.00  -68.11  334.69  -74.44  223.99
    9.00  -67.86  349.69  -77.86  244.59
   10.00  -67.50    4.69  -80.29  275.71
   11.00  -67.31   19.69  -80.48  316.24
   12.00  -67.34   34.69  -78.01  350.63
   13.00  -67.60   49.69  -74.37   13.93
   14.00  -68.08   64.69  -70.71   31.32
   15.00  -68.79   79.69  -67.44   46.09
   16.00  -69.68   94.69  -64.66   59.31
   17.00  -70.51  109.69  -62.28   70.93
   18.00  -70.32  124.69  -59.48   80.24
   19.00  -69.78  139.69  -56.96   89.08
   20.00  -68.79  154.69  -54.54   97.86
   21.00  -67.82  169.69  -52.63  107.11
   22.00  -66.92  184.69  -51.27  116.72
   23.00  -66.11  199.69  -50.58  126.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.27  214.69  -57.28  134.97
    1.00  -73.28  229.69  -59.33  143.15
    2.00  -74.21  244.69  -61.69  150.90
    3.00  -78.26  259.69  -67.01  153.51
    4.00  -80.28  274.69  -70.45  155.52
    5.00  -80.61  289.69  -72.73  159.47
    6.00  -80.04  304.69  -74.81  165.52
    7.00  -79.53  319.69  -77.28  170.97
    8.00  -79.78  334.69  -80.08  170.75
    9.00  -79.66  349.69  -82.83  167.60
   10.00  -79.81    4.69  -85.00  150.05
   11.00  -79.55   19.69  -85.86  114.50
   12.00  -79.62   34.69  -84.03   87.01
   13.00  -79.35   49.69  -81.27   76.16
   14.00  -79.28   64.69  -78.16   75.37
   15.00  -78.98   79.69  -75.01   77.01
   16.00  -79.11   94.69  -72.25   82.06
   17.00  -78.81  109.69  -69.56   86.63
   18.00  -79.18  124.69  -67.77   93.25
   19.00  -78.83  139.69  -65.81   98.86
   20.00  -77.88  154.69  -63.63  104.45
   21.00  -76.09  169.69  -60.97  110.53
   22.00  -74.23  184.69  -58.64  117.90
   23.00  -72.86  199.69  -57.29  126.23
</PRE>


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