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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>
09 Sep 1997 12:18:14 yearsecs  21730694
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.31  247.54  -46.52  163.45
    1.00  -57.53  262.54  -49.08  175.25
    2.00  -57.71  277.54  -51.89  187.40
    3.00  -57.88  292.54  -54.98  199.93
    4.00  -58.01  307.54  -58.45  213.03
    5.00  -58.52  322.54  -62.62  226.98
    6.00  -60.20  337.54  -67.90  241.95
    7.00  -61.51  352.54  -72.34  261.76
    8.00  -60.90    7.54  -73.50  290.25
    9.00  -60.77   22.54  -72.58  320.68
   10.00  -60.68   37.54  -69.33  345.96
   11.00  -60.76   52.54  -65.38    5.16
   12.00  -61.02   67.54  -61.74   21.17
   13.00  -61.47   82.54  -58.67   35.92
   14.00  -62.10   97.54  -56.09   50.09
   15.00  -62.93  112.54  -53.99   63.53
   16.00  -63.95  127.54  -52.55   75.97
   17.00  -65.18  142.54  -51.95   87.54
   18.00  -65.49  157.54  -50.98   98.03
   19.00  -64.21  172.54  -48.86  107.92
   20.00  -62.61  187.54  -46.94  118.13
   21.00  -61.37  202.54  -46.04  128.73
   22.00  -59.49  217.54  -45.19  139.87
   23.00  -58.32  232.54  -45.56  151.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.36  247.54  -60.37  154.16
    1.00  -73.22  262.54  -63.15  162.05
    2.00  -74.03  277.54  -66.21  169.41
    3.00  -74.45  292.54  -69.29  176.87
    4.00  -75.14  307.54  -72.84  183.14
    5.00  -76.14  322.54  -76.69  187.03
    6.00  -76.61  337.54  -80.31  190.86
    7.00  -75.71  352.54  -83.76  203.76
    8.00  -75.71    7.54  -87.69  212.33
    9.00  -76.05   22.54  -88.24   46.62
   10.00  -75.59   37.54  -84.07   42.51
   11.00  -75.28   52.54  -79.85   48.80
   12.00  -75.10   67.54  -75.80   56.30
   13.00  -74.94   82.54  -72.02   63.95
   14.00  -74.96   97.54  -68.73   72.03
   15.00  -74.81  112.54  -65.75   79.62
   16.00  -75.14  127.54  -63.75   87.96
   17.00  -75.34  142.54  -62.18   95.95
   18.00  -74.97  157.54  -60.54  103.50
   19.00  -74.08  172.54  -58.81  111.15
   20.00  -73.75  187.54  -58.12  119.40
   21.00  -73.01  202.54  -57.50  127.84
   22.00  -73.10  217.54  -58.26  136.34
   23.00  -72.25  232.54  -58.63  145.40
</PRE>


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