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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>
27 Apr 1997 02:20:27 yearsecs  10030827
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.77   35.03  -72.57  344.15
    1.00  -63.93   50.03  -70.07    6.80
    2.00  -64.69   65.03  -66.90   24.55
    3.00  -67.79   80.03  -66.36   44.30
    4.00  -67.35   95.03  -62.29   55.55
    5.00  -67.95  110.03  -59.68   67.56
    6.00  -67.79  125.03  -56.89   77.74
    7.00  -68.00  140.03  -55.11   87.86
    8.00  -68.83  155.03  -54.55   98.10
    9.00  -69.24  170.03  -54.05  107.83
   10.00  -69.03  185.03  -53.38  117.24
   11.00  -68.83  200.03  -53.28  126.66
   12.00  -68.87  215.03  -54.00  136.08
   13.00  -69.13  230.03  -55.48  145.47
   14.00  -69.61  245.03  -57.59  154.75
   15.00  -70.31  260.03  -60.26  163.72
   16.00  -71.01  275.03  -63.29  172.43
   17.00  -71.23  290.03  -66.29  181.62
   18.00  -71.35  305.03  -69.63  191.18
   19.00  -70.73  320.03  -72.76  203.48
   20.00  -69.90  335.03  -75.94  219.31
   21.00  -69.10  350.03  -79.02  241.22
   22.00  -66.54    5.03  -79.34  278.41
   23.00  -64.39   20.03  -77.13  316.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.77   35.03  -78.40  352.26
    1.00  -68.93   50.03  -75.65   18.03
    2.00  -69.69   65.03  -72.22   35.82
    3.00  -75.90   80.03  -73.26   65.71
    4.00  -78.06   95.03  -71.53   79.01
    5.00  -78.41  110.03  -69.20   85.81
    6.00  -77.49  125.03  -66.25   90.36
    7.00  -76.59  140.03  -63.65   96.10
    8.00  -76.87  155.03  -62.61  103.71
    9.00  -76.97  170.03  -61.85  111.17
   10.00  -76.87  185.03  -61.32  118.59
   11.00  -77.01  200.03  -61.48  126.07
   12.00  -77.38  215.03  -62.34  133.35
   13.00  -77.24  230.03  -63.12  140.74
   14.00  -77.13  245.03  -64.37  148.17
   15.00  -76.98  260.03  -65.99  155.65
   16.00  -76.88  275.03  -68.04  162.99
   17.00  -76.72  290.03  -70.42  170.37
   18.00  -77.84  305.03  -73.87  173.52
   19.00  -77.99  320.03  -76.90  178.11
   20.00  -76.99  335.03  -79.83  187.76
   21.00  -74.81  350.03  -82.83  209.93
   22.00  -71.54    5.03  -84.32  262.43
   23.00  -69.39   20.03  -82.78  318.77
</PRE>


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