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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>
19 Jul 1997 00:41:40 yearsecs  17196100
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.64   59.85  -65.81   15.79
    1.00  -63.17   74.85  -62.57   31.39
    2.00  -63.72   89.85  -59.60   45.66
    3.00  -64.25  104.85  -56.90   58.89
    4.00  -63.95  119.85  -53.76   70.24
    5.00  -65.26  134.85  -52.92   82.25
    6.00  -65.63  149.85  -51.72   92.85
    7.00  -65.74  164.85  -50.78  103.13
    8.00  -66.22  179.85  -50.65  113.39
    9.00  -65.58  194.85  -49.95  123.34
   10.00  -65.17  209.85  -50.12  133.43
   11.00  -64.98  224.85  -51.10  143.65
   12.00  -65.02  239.85  -52.77  154.01
   13.00  -65.28  254.85  -55.03  164.42
   14.00  -65.76  269.85  -57.84  174.77
   15.00  -66.47  284.85  -61.23  184.90
   16.00  -67.40  299.85  -65.24  194.71
   17.00  -68.56  314.85  -69.79  204.33
   18.00  -68.59  329.85  -73.61  217.68
   19.00  -67.90  344.85  -76.77  237.23
   20.00  -66.56  359.86  -78.65  266.79
   21.00  -65.46   14.85  -78.64  303.79
   22.00  -64.28   29.85  -75.52  336.68
   23.00  -63.09   44.85  -70.44  358.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.54   59.85  -75.31   36.99
    1.00  -72.72   74.85  -72.23   52.47
    2.00  -73.71   89.85  -69.38   64.72
    3.00  -74.76  104.85  -67.11   75.46
    4.00  -77.47  119.85  -66.95   88.02
    5.00  -78.47  134.85  -65.97   96.26
    6.00  -77.84  149.85  -63.96  102.17
    7.00  -77.21  164.85  -62.34  108.77
    8.00  -78.22  179.85  -62.79  116.45
    9.00  -77.92  194.85  -62.36  123.50
   10.00  -78.01  209.85  -62.75  130.62
   11.00  -77.85  224.85  -63.35  137.82
   12.00  -77.49  239.85  -64.18  145.29
   13.00  -77.32  254.85  -65.63  152.67
   14.00  -77.48  269.85  -67.73  159.45
   15.00  -77.07  284.85  -69.77  167.16
   16.00  -76.91  299.85  -72.36  174.30
   17.00  -75.33  314.85  -74.56  186.31
   18.00  -75.09  329.85  -77.90  195.25
   19.00  -75.82  344.85  -81.86  199.04
   20.00  -75.22  359.86  -85.54  214.29
   21.00  -73.22   14.85  -87.19  297.06
   22.00  -72.45   29.85  -84.29    0.72
   23.00  -71.66   44.85  -79.63   21.89
</PRE>


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