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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>
03 Aug 1997 14:44:20 yearsecs  18542660
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.07  218.88  -50.66  139.55
    1.00  -65.09  233.88  -52.14  149.82
    2.00  -66.08  248.88  -54.91  159.68
    3.00  -67.06  263.88  -58.00  169.35
    4.00  -66.78  278.88  -60.35  180.21
    5.00  -67.58  293.88  -64.06  190.02
    6.00  -67.58  308.88  -67.51  201.38
    7.00  -67.56  323.88  -71.24  214.30
    8.00  -68.18  338.88  -75.55  228.65
    9.00  -68.25  353.88  -79.13  250.57
   10.00  -67.91    8.88  -81.15  285.78
   11.00  -67.72   23.88  -80.48  327.61
   12.00  -67.75   38.88  -77.44  358.95
   13.00  -68.01   53.88  -73.64   19.97
   14.00  -68.49   68.88  -70.00   36.20
   15.00  -69.20   83.88  -66.79   50.30
   16.00  -70.04   98.88  -64.07   62.91
   17.00  -70.70  113.88  -61.68   73.90
   18.00  -70.60  128.88  -59.14   83.15
   19.00  -70.04  143.88  -56.77   91.90
   20.00  -69.09  158.88  -54.54  100.69
   21.00  -68.17  173.88  -52.80  109.94
   22.00  -67.33  188.88  -51.65  119.50
   23.00  -65.98  203.88  -50.61  129.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.07  218.88  -55.42  138.14
    1.00  -71.14  233.88  -57.73  146.83
    2.00  -72.05  248.88  -60.26  155.22
    3.00  -76.86  263.88  -66.40  157.68
    4.00  -79.04  278.88  -70.19  160.05
    5.00  -79.36  293.88  -72.71  164.64
    6.00  -78.62  308.88  -74.97  172.07
    7.00  -77.82  323.88  -77.64  180.04
    8.00  -78.04  338.88  -80.88  181.98
    9.00  -77.99  353.88  -84.13  180.55
   10.00  -78.15    8.88  -86.91  156.02
   11.00  -78.00   23.88  -86.92   89.32
   12.00  -78.20   38.88  -83.80   70.14
   13.00  -77.98   53.88  -80.34   66.47
   14.00  -77.93   68.88  -76.87   69.43
   15.00  -77.68   83.88  -73.50   73.51
   16.00  -77.80   98.88  -70.63   79.78
   17.00  -77.54  113.88  -67.90   85.52
   18.00  -78.16  128.88  -66.37   93.19
   19.00  -77.98  143.88  -64.61   99.59
   20.00  -77.01  158.88  -62.48  105.70
   21.00  -74.99  173.88  -59.69  112.24
   22.00  -72.66  188.88  -57.00  120.03
   23.00  -70.98  203.88  -55.53  128.85
</PRE>


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