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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 Aug 1997 01:10:00 yearsecs  19876200
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.21   53.53  -71.78   15.31
    1.00  -66.09   68.53  -67.55   30.62
    2.00  -66.88   83.53  -64.55   45.47
    3.00  -67.67   98.53  -61.82   58.74
    4.00  -67.25  113.53  -58.31   69.17
    5.00  -67.87  128.53  -56.45   80.17
    6.00  -67.74  143.53  -54.47   89.96
    7.00  -67.91  158.53  -53.37   99.87
    8.00  -68.68  173.53  -53.33  109.87
    9.00  -69.07  188.53  -53.40  119.45
   10.00  -68.84  203.53  -53.40  128.86
   11.00  -68.65  218.53  -54.04  138.36
   12.00  -68.69  233.53  -55.43  147.92
   13.00  -68.95  248.53  -57.44  157.48
   14.00  -69.43  263.53  -60.03  166.86
   15.00  -70.14  278.53  -63.18  175.84
   16.00  -70.86  293.53  -66.72  184.52
   17.00  -71.14  308.53  -70.28  194.03
   18.00  -71.23  323.53  -74.00  204.87
   19.00  -70.62  338.53  -77.37  220.65
   20.00  -69.77  353.53  -80.39  244.63
   21.00  -68.95    8.53  -82.22  282.74
   22.00  -68.26   23.53  -81.14  327.46
   23.00  -67.35   38.53  -77.09  357.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.00   53.53  -77.46   32.92
    1.00  -73.07   68.53  -74.16   49.22
    2.00  -73.85   83.53  -70.97   61.32
    3.00  -78.80   98.53  -71.38   82.44
    4.00  -80.63  113.53  -70.36   92.45
    5.00  -81.00  128.53  -68.88   98.24
    6.00  -80.37  143.53  -66.91  102.61
    7.00  -79.71  158.53  -65.19  107.88
    8.00  -79.65  173.53  -64.43  114.23
    9.00  -79.61  188.53  -64.09  120.74
   10.00  -79.47  203.53  -64.06  127.34
   11.00  -79.46  218.53  -64.57  133.93
   12.00  -79.67  233.53  -65.68  140.25
   13.00  -79.47  248.53  -66.80  146.84
   14.00  -79.32  263.53  -68.33  153.32
   15.00  -79.11  278.53  -70.19  159.73
   16.00  -79.00  293.53  -72.45  165.62
   17.00  -78.79  308.53  -74.98  171.32
   18.00  -79.68  323.53  -78.01  170.83
   19.00  -79.81  338.53  -80.78  170.14
   20.00  -79.02  353.53  -83.76  170.76
   21.00  -77.27    8.53  -87.50  171.31
   22.00  -74.74   23.53  -87.58    9.59
   23.00  -73.12   38.53  -82.52   21.91
</PRE>


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