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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>
23 Mar 1997 12:59:47 yearsecs   7045187
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.61  239.19  -50.46  154.69
    1.00  -63.80  254.19  -53.60  164.94
    2.00  -64.55  269.19  -56.66  175.37
    3.00  -67.83  284.19  -62.28  182.73
    4.00  -67.40  299.19  -65.08  194.21
    5.00  -68.01  314.19  -69.17  204.88
    6.00  -67.90  329.19  -72.87  218.70
    7.00  -68.45  344.19  -77.08  234.70
    8.00  -69.19  359.19  -81.07  258.03
    9.00  -69.47   14.19  -83.08  299.64
   10.00  -69.21   29.19  -81.24  343.88
   11.00  -68.97   44.19  -77.32   10.56
   12.00  -68.97   59.19  -73.13   28.23
   13.00  -69.20   74.19  -69.27   42.49
   14.00  -69.66   89.19  -65.93   55.26
   15.00  -70.35  104.19  -63.23   67.05
   16.00  -71.01  119.19  -61.05   77.66
   17.00  -71.14  134.19  -58.97   86.95
   18.00  -71.28  149.19  -57.51   96.08
   19.00  -70.64  164.19  -55.76  104.77
   20.00  -69.82  179.19  -54.29  113.74
   21.00  -69.04  194.19  -53.38  123.00
   22.00  -66.51  209.19  -51.38  132.79
   23.00  -64.32  224.19  -50.41  143.41
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.61  239.19  -55.07  152.19
    1.00  -68.80  254.19  -58.08  161.30
    2.00  -69.55  269.19  -61.05  170.45
    3.00  -75.95  284.19  -68.85  169.31
    4.00  -78.10  299.19  -72.93  170.44
    5.00  -78.47  314.19  -75.91  174.32
    6.00  -77.39  329.19  -78.64  183.77
    7.00  -76.32  344.19  -81.83  195.14
    8.00  -76.58  359.19  -85.55  195.43
    9.00  -76.73   14.19  -88.87  150.02
   10.00  -76.58   29.19  -86.43   54.59
   11.00  -76.77   44.19  -82.55   56.03
   12.00  -77.17   59.19  -78.88   62.66
   13.00  -77.05   74.19  -75.27   67.40
   14.00  -76.92   89.19  -71.92   73.20
   15.00  -76.79  104.19  -68.91   79.55
   16.00  -76.65  119.19  -66.32   86.22
   17.00  -76.50  134.19  -64.20   93.15
   18.00  -77.79  149.19  -63.97  101.81
   19.00  -78.06  164.19  -63.23  109.03
   20.00  -77.09  179.19  -61.66  115.75
   21.00  -74.91  194.19  -59.29  123.13
   22.00  -71.51  209.19  -56.26  131.93
   23.00  -69.32  224.19  -55.12  141.71
</PRE>


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