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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 May 1997 15:17:16 yearsecs  11114236
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.73  207.75  -49.57  132.06
    1.00  -65.89  222.75  -51.76  141.94
    2.00  -66.67  237.75  -54.04  151.72
    3.00  -67.75  252.75  -56.95  161.16
    4.00  -67.36  267.75  -58.89  171.76
    5.00  -68.01  282.75  -62.15  181.49
    6.00  -67.94  297.75  -65.22  192.31
    7.00  -68.32  312.75  -69.07  203.10
    8.00  -69.47  327.75  -73.75  213.39
    9.00  -69.85  342.75  -77.86  228.29
   10.00  -69.53  357.75  -81.10  253.71
   11.00  -69.19   12.75  -82.74  295.25
   12.00  -69.10   27.75  -81.40  340.08
   13.00  -69.27   42.75  -78.00    9.43
   14.00  -69.68   57.75  -74.22   28.83
   15.00  -70.33   72.75  -70.72   44.14
   16.00  -70.96   87.75  -67.50   56.94
   17.00  -71.06  102.75  -64.20   67.29
   18.00  -71.19  117.75  -61.47   77.00
   19.00  -70.52  132.75  -58.54   85.46
   20.00  -69.67  147.75  -56.02   94.03
   21.00  -68.86  162.75  -54.05  103.05
   22.00  -68.12  177.75  -52.62  112.43
   23.00  -66.19  192.75  -50.53  121.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.73  207.75  -54.44  131.38
    1.00  -70.89  222.75  -56.50  140.21
    2.00  -71.67  237.75  -58.62  148.84
    3.00  -77.48  252.75  -65.52  151.46
    4.00  -79.46  267.75  -68.97  154.73
    5.00  -79.85  282.75  -71.29  159.43
    6.00  -79.08  297.75  -73.20  166.85
    7.00  -77.92  312.75  -75.41  176.03
    8.00  -77.93  327.75  -78.48  180.59
    9.00  -77.84  342.75  -81.71  183.67
   10.00  -77.73  357.75  -85.03  181.26
   11.00  -77.86   12.75  -87.62  143.51
   12.00  -78.19   27.75  -86.13   82.10
   13.00  -78.04   42.75  -82.94   67.23
   14.00  -77.88   57.75  -79.41   66.44
   15.00  -77.72   72.75  -75.92   69.71
   16.00  -77.56   87.75  -72.63   74.63
   17.00  -77.39  102.75  -69.63   80.35
   18.00  -78.57  117.75  -68.18   89.27
   19.00  -78.89  132.75  -66.58   96.02
   20.00  -78.08  147.75  -64.37  101.46
   21.00  -76.17  162.75  -61.41  107.03
   22.00  -73.12  177.75  -57.66  113.74
   23.00  -71.19  192.75  -55.52  122.19
</PRE>


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