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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>
29 Oct 1997 20:40:20 yearsecs  26080820
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.10  119.23  -51.92   68.02
    1.00  -62.67  134.23  -50.30   79.88
    2.00  -63.24  149.23  -49.32   91.08
    3.00  -63.80  164.23  -48.84  101.97
    4.00  -63.37  179.23  -47.80  112.39
    5.00  -64.63  194.23  -48.99  122.89
    6.00  -65.13  209.23  -50.04  133.01
    7.00  -65.32  224.23  -51.36  143.12
    8.00  -65.83  239.23  -53.44  153.16
    9.00  -65.20  254.23  -54.87  164.03
   10.00  -64.78  269.23  -56.87  175.19
   11.00  -64.59  284.23  -59.45  186.58
   12.00  -64.63  299.23  -62.67  198.19
   13.00  -64.89  314.23  -66.51  210.38
   14.00  -65.37  329.23  -70.73  224.07
   15.00  -66.08  344.23  -75.02  240.91
   16.00  -67.01  359.23  -78.99  264.44
   17.00  -68.17   14.23  -81.65  300.75
   18.00  -68.19   29.23  -80.12  341.37
   19.00  -67.51   44.23  -75.76    6.47
   20.00  -66.12   59.23  -70.11   21.40
   21.00  -65.02   74.23  -64.87   33.92
   22.00  -63.76   89.23  -59.80   45.19
   23.00  -62.58  104.23  -55.24   56.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.90  119.23  -59.95   76.27
    1.00  -70.98  134.23  -58.82   86.82
    2.00  -71.97  149.23  -58.20   96.62
    3.00  -72.97  164.23  -58.10  105.95
    4.00  -75.71  179.23  -60.25  115.33
    5.00  -76.77  194.23  -61.18  123.18
    6.00  -76.13  209.23  -60.84  130.88
    7.00  -75.72  224.23  -61.24  138.80
    8.00  -76.35  239.23  -63.08  146.06
    9.00  -76.19  254.23  -64.58  153.84
   10.00  -76.30  269.23  -66.71  161.22
   11.00  -76.16  284.23  -69.01  168.88
   12.00  -75.84  299.23  -71.57  176.97
   13.00  -75.75  314.23  -74.65  184.58
   14.00  -75.91  329.23  -78.12  191.12
   15.00  -75.50  344.23  -81.60  200.99
   16.00  -75.38  359.23  -85.42  211.67
   17.00  -73.83   14.23  -87.81  289.78
   18.00  -73.64   29.23  -85.40    9.69
   19.00  -74.41   44.23  -81.72   37.38
   20.00  -73.78   59.23  -77.17   45.42
   21.00  -71.70   74.23  -71.55   49.03
   22.00  -70.95   89.23  -67.13   57.95
   23.00  -69.97  104.23  -62.85   66.46
</PRE>


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