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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>
26 Oct 1997 19:36:10 yearsecs  25817770
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.18  134.73  -44.43   76.68
    1.00  -57.44  149.73  -43.25   88.63
    2.00  -57.68  164.73  -42.55  100.28
    3.00  -57.89  179.73  -42.26  111.76
    4.00  -58.07  194.73  -42.50  123.06
    5.00  -58.63  209.73  -43.76  134.21
    6.00  -60.34  224.73  -46.68  144.96
    7.00  -61.65  239.73  -49.63  155.52
    8.00  -61.08  254.73  -51.18  167.02
    9.00  -60.95  269.73  -53.49  178.68
   10.00  -60.83  284.73  -56.14  190.74
   11.00  -60.86  299.73  -59.34  203.13
   12.00  -61.07  314.73  -63.13  216.22
   13.00  -61.46  329.73  -67.25  230.99
   14.00  -62.05  344.73  -71.32  249.00
   15.00  -62.84  359.73  -74.85  272.77
   16.00  -63.84   14.73  -76.83  304.08
   17.00  -65.04   29.73  -76.44  337.28
   18.00  -65.32   44.73  -73.17    2.42
   19.00  -64.01   59.73  -67.51   17.90
   20.00  -62.39   74.73  -61.65   30.05
   21.00  -61.16   89.73  -56.69   42.00
   22.00  -59.30  104.73  -51.46   53.12
   23.00  -58.15  119.73  -47.56   65.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.63  134.73  -63.31   92.29
    1.00  -76.50  149.73  -62.65  100.76
    2.00  -77.32  164.73  -62.46  108.78
    3.00  -77.84  179.73  -62.42  116.26
    4.00  -78.57  194.73  -63.02  123.45
    5.00  -79.68  209.73  -64.44  129.99
    6.00  -80.11  224.73  -65.54  136.14
    7.00  -79.71  239.73  -66.21  142.84
    8.00  -80.07  254.73  -67.94  148.46
    9.00  -80.15  269.73  -69.73  154.04
   10.00  -79.54  284.73  -71.38  160.97
   11.00  -79.06  299.73  -73.53  167.57
   12.00  -78.69  314.73  -76.10  173.56
   13.00  -78.36  329.73  -78.99  178.72
   14.00  -78.18  344.73  -82.14  181.03
   15.00  -77.89  359.73  -85.41  177.62
   16.00  -78.00   14.73  -87.60  132.05
   17.00  -78.02   29.73  -85.84   76.47
   18.00  -77.59   44.73  -82.49   63.09
   19.00  -76.72   59.73  -78.59   60.34
   20.00  -76.33   74.73  -74.76   64.79
   21.00  -75.74   89.73  -70.98   70.01
   22.00  -75.95  104.73  -68.13   77.91
   23.00  -75.39  119.73  -65.11   84.33
</PRE>


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