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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>
31 Oct 1997 13:31:12 yearsecs  26227872
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.80  222.03  -52.56  141.18
    1.00  -66.82  237.03  -54.09  151.16
    2.00  -67.56  252.03  -56.67  160.82
    3.00  -68.28  267.03  -59.59  170.35
    4.00  -67.83  282.03  -61.86  181.20
    5.00  -68.39  297.03  -65.44  191.07
    6.00  -68.18  312.03  -68.78  202.79
    7.00  -68.28  327.03  -72.63  215.67
    8.00  -69.14  342.03  -77.12  229.73
    9.00  -70.05  357.03  -81.41  250.12
   10.00  -69.78   12.03  -83.35  292.01
   11.00  -69.54   27.03  -81.99  339.43
   12.00  -69.52   42.03  -78.45    9.23
   13.00  -69.74   57.03  -74.48   28.29
   14.00  -70.18   72.03  -70.78   43.16
   15.00  -70.85   87.03  -67.57   56.18
   16.00  -71.49  102.03  -64.76   67.58
   17.00  -71.61  117.03  -62.00   77.14
   18.00  -71.75  132.03  -59.86   86.30
   19.00  -71.12  147.03  -57.54   94.66
   20.00  -70.29  162.03  -55.54  103.28
   21.00  -69.52  177.03  -54.05  112.32
   22.00  -68.90  192.03  -53.22  121.64
   23.00  -67.99  207.03  -52.71  131.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.93  222.03  -61.30  137.55
    1.00  -76.91  237.03  -63.39  144.46
    2.00  -77.62  252.03  -65.56  150.92
    3.00  -81.68  267.03  -70.50  149.66
    4.00  -83.13  282.03  -73.03  149.60
    5.00  -83.54  297.03  -74.86  150.57
    6.00  -83.28  312.03  -76.58  152.75
    7.00  -83.10  327.03  -78.42  152.75
    8.00  -84.63  342.03  -79.20  141.36
    9.00  -83.69  357.03  -80.97  138.22
   10.00  -83.05   12.03  -82.20  127.99
   11.00  -82.76   27.03  -82.21  113.10
   12.00  -82.69   42.03  -81.03  101.27
   13.00  -82.38   57.03  -79.30   93.35
   14.00  -82.10   72.03  -77.13   90.05
   15.00  -81.84   87.03  -74.81   89.97
   16.00  -81.59  102.03  -72.54   91.98
   17.00  -81.35  117.03  -70.44   95.34
   18.00  -82.04  132.03  -69.40  101.50
   19.00  -82.16  147.03  -68.29  106.53
   20.00  -81.39  162.03  -66.67  110.90
   21.00  -80.07  177.03  -64.76  115.95
   22.00  -78.01  192.03  -62.44  122.16
   23.00  -76.79  207.03  -61.43  129.59
</PRE>


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