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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>
25 Jun 1997 12:31:24 yearsecs  15165084
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.18  247.85  -52.13  160.69
    1.00  -63.44  262.85  -54.61  171.56
    2.00  -64.10  277.85  -57.79  182.25
    3.00  -64.75  292.85  -61.37  193.01
    4.00  -64.49  307.85  -64.58  205.46
    5.00  -65.73  322.85  -69.42  216.93
    6.00  -66.03  337.85  -73.46  232.60
    7.00  -65.92  352.85  -76.75  254.80
    8.00  -66.60    7.85  -79.68  285.18
    9.00  -66.03   22.85  -78.70  323.42
   10.00  -65.61   37.85  -75.29  352.69
   11.00  -65.42   52.85  -71.07   12.89
   12.00  -65.46   67.85  -67.03   28.74
   13.00  -65.72   82.85  -63.47   42.82
   14.00  -66.20   97.85  -60.46   55.97
   15.00  -66.91  112.85  -58.08   68.26
   16.00  -67.84  127.85  -56.51   79.69
   17.00  -68.95  142.85  -55.77   90.41
   18.00  -68.93  157.85  -54.44   99.96
   19.00  -68.27  172.85  -52.94  109.31
   20.00  -67.00  187.85  -51.32  118.80
   21.00  -65.92  202.85  -50.50  128.66
   22.00  -64.79  217.85  -50.30  138.92
   23.00  -63.68  232.85  -50.71  149.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.99  247.85  -57.39  157.01
    1.00  -70.18  262.85  -60.57  165.66
    2.00  -71.20  277.85  -63.94  173.95
    3.00  -73.00  292.85  -68.27  180.08
    4.00  -75.92  307.85  -73.38  180.95
    5.00  -76.81  322.85  -77.05  184.29
    6.00  -75.92  337.85  -80.17  195.10
    7.00  -75.31  352.85  -83.73  207.79
    8.00  -76.48    7.85  -87.71  191.69
    9.00  -76.25   22.85  -88.13   53.01
   10.00  -76.48   37.85  -84.16   52.21
   11.00  -76.36   52.85  -80.20   55.60
   12.00  -76.12   67.85  -76.30   60.80
   13.00  -75.98   82.85  -72.67   67.37
   14.00  -76.19   97.85  -69.64   75.15
   15.00  -75.81  112.85  -66.59   81.63
   16.00  -75.78  127.85  -64.31   89.02
   17.00  -74.36  142.85  -61.19   95.11
   18.00  -74.28  157.85  -59.83  103.18
   19.00  -74.78  172.85  -59.52  111.61
   20.00  -73.96  187.85  -58.32  119.60
   21.00  -71.66  202.85  -56.17  128.17
   22.00  -70.46  217.85  -55.73  137.39
   23.00  -69.33  232.85  -55.95  147.17
</PRE>


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