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    <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>
02 Jan 1997 00:18:31 yearsecs     87511
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.52   72.64  -65.85   33.37
    1.00  -65.66   87.64  -62.26   46.80
    2.00  -66.56  102.64  -59.79   60.22
    3.00  -67.47  117.64  -57.78   72.32
    4.00  -67.19  132.64  -55.18   82.30
    5.00  -67.99  147.64  -54.33   92.82
    6.00  -68.11  162.64  -53.30  102.63
    7.00  -68.72  177.64  -53.23  112.50
    8.00  -70.04  192.64  -54.36  122.07
    9.00  -70.41  207.64  -55.10  131.20
   10.00  -69.77  222.64  -55.42  140.57
   11.00  -69.24  237.64  -56.38  150.26
   12.00  -69.01  252.64  -58.05  160.11
   13.00  -69.05  267.64  -60.35  169.97
   14.00  -69.36  282.64  -63.28  179.62
   15.00  -69.94  297.64  -66.86  188.90
   16.00  -70.52  312.64  -70.79  198.37
   17.00  -70.56  327.64  -74.55  210.24
   18.00  -70.64  342.64  -78.43  225.24
   19.00  -69.91  357.64  -81.41  251.98
   20.00  -68.99   12.64  -82.52  295.15
   21.00  -68.17   27.64  -80.40  337.66
   22.00  -67.58   42.64  -76.27    4.36
   23.00  -66.70   57.64  -71.18   20.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.57   72.64  -72.68   50.46
    1.00  -73.71   87.64  -69.89   63.40
    2.00  -74.52  102.64  -67.34   73.79
    3.00  -79.53  117.64  -68.98   91.28
    4.00  -81.29  132.64  -68.71  100.20
    5.00  -81.72  147.64  -67.84  106.08
    6.00  -81.20  162.64  -66.45  110.94
    7.00  -80.41  177.64  -65.10  116.36
    8.00  -80.47  192.64  -64.98  122.60
    9.00  -80.39  207.64  -65.10  128.85
   10.00  -80.11  222.64  -65.41  135.27
   11.00  -80.08  237.64  -66.38  141.54
   12.00  -80.23  252.64  -67.86  147.37
   13.00  -80.00  267.64  -69.35  153.59
   14.00  -79.76  282.64  -71.21  159.63
   15.00  -79.53  297.64  -73.41  165.33
   16.00  -79.30  312.64  -75.92  170.45
   17.00  -79.07  327.64  -78.70  174.55
   18.00  -80.01  342.64  -81.48  167.83
   19.00  -80.23  357.64  -83.80  156.65
   20.00  -79.48   12.64  -85.95  134.18
   21.00  -77.84   27.64  -86.36   77.45
   22.00  -75.25   42.64  -82.55   42.60
   23.00  -73.69   57.64  -77.55   43.87
</PRE>


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