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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>
17 Jun 1997 12:27:00 yearsecs  14473620
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.83  248.41  -52.80  160.73
    1.00  -64.24  263.41  -55.42  171.37
    2.00  -65.26  278.41  -58.92  181.51
    3.00  -66.27  293.41  -62.83  191.49
    4.00  -66.07  308.41  -66.11  203.53
    5.00  -67.04  323.41  -70.68  214.94
    6.00  -67.12  338.41  -74.53  230.81
    7.00  -66.67  353.41  -77.58  254.04
    8.00  -67.66    8.41  -80.85  284.93
    9.00  -67.34   23.41  -80.12  325.96
   10.00  -66.94   38.41  -76.66  356.23
   11.00  -66.76   53.41  -72.42   16.36
   12.00  -66.79   68.41  -68.35   31.94
   13.00  -67.05   83.41  -64.75   45.67
   14.00  -67.53   98.41  -61.70   58.42
   15.00  -68.23  113.41  -59.32   70.29
   16.00  -69.15  128.41  -57.77   81.35
   17.00  -70.13  143.41  -56.91   91.68
   18.00  -69.92  158.41  -55.41  100.84
   19.00  -69.37  173.41  -54.03  110.00
   20.00  -68.30  188.41  -52.62  119.30
   21.00  -67.29  203.41  -51.87  128.92
   22.00  -65.89  218.41  -51.40  139.02
   23.00  -64.38  233.41  -51.42  149.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.83  248.41  -57.32  157.48
    1.00  -70.01  263.41  -60.51  166.19
    2.00  -71.16  278.41  -64.01  174.36
    3.00  -75.27  293.41  -70.05  175.48
    4.00  -77.93  308.41  -74.57  174.44
    5.00  -78.54  323.41  -77.75  176.44
    6.00  -77.57  338.41  -80.72  184.99
    7.00  -76.86  353.41  -84.13  192.41
    8.00  -77.43    8.41  -87.38  168.68
    9.00  -77.12   23.41  -87.63   75.32
   10.00  -77.39   38.41  -84.03   61.92
   11.00  -77.08   53.41  -80.27   60.46
   12.00  -77.11   68.41  -76.64   65.45
   13.00  -76.84   83.41  -73.10   70.44
   14.00  -76.87   98.41  -70.04   77.13
   15.00  -76.52  113.41  -67.11   83.25
   16.00  -76.71  128.41  -65.11   90.68
   17.00  -76.15  143.41  -62.89   97.26
   18.00  -76.44  158.41  -61.95  105.03
   19.00  -76.12  173.41  -60.86  112.46
   20.00  -75.01  188.41  -59.39  120.04
   21.00  -72.80  203.41  -57.32  128.36
   22.00  -70.89  218.41  -56.18  137.59
   23.00  -69.38  233.41  -56.05  147.49
</PRE>


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