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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>
26 Jul 1997 19:44:40 yearsecs  17869480
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.82  132.76  -50.64   78.91
    1.00  -64.28  147.76  -50.52   90.62
    2.00  -65.60  162.76  -50.76  101.65
    3.00  -68.21  177.76  -52.71  112.45
    4.00  -68.31  192.76  -52.64  122.07
    5.00  -69.44  207.76  -54.15  131.43
    6.00  -69.87  222.76  -55.52  140.61
    7.00  -70.22  237.76  -57.29  149.76
    8.00  -71.37  252.76  -60.16  158.17
    9.00  -71.85  267.76  -62.78  166.84
   10.00  -72.33  282.76  -65.77  175.26
   11.00  -71.02  297.76  -67.75  187.01
   12.00  -70.28  312.76  -70.63  199.01
   13.00  -69.91  327.76  -74.09  212.20
   14.00  -69.86  342.76  -77.87  228.24
   15.00  -70.11  357.76  -81.61  251.40
   16.00  -70.58   12.76  -84.26  293.12
   17.00  -70.85   27.76  -83.23  346.00
   18.00  -70.44   42.76  -79.14   13.72
   19.00  -69.40   57.76  -73.95   28.00
   20.00  -67.93   72.76  -68.39   38.37
   21.00  -66.90   87.76  -63.54   49.01
   22.00  -64.81  102.76  -57.94   57.93
   23.00  -63.32  117.76  -53.46   68.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.82  132.76  -55.81   82.93
    1.00  -69.28  147.76  -55.62   93.77
    2.00  -70.60  162.76  -55.81  103.88
    3.00  -75.65  177.76  -60.23  114.54
    4.00  -78.20  192.76  -62.63  122.52
    5.00  -78.65  207.76  -63.34  129.44
    6.00  -78.02  222.76  -63.38  136.72
    7.00  -77.45  237.76  -63.96  144.32
    8.00  -77.90  252.76  -65.89  150.89
    9.00  -77.63  267.76  -67.55  158.23
   10.00  -77.79  282.76  -69.92  164.57
   11.00  -77.58  297.76  -72.37  171.44
   12.00  -77.63  312.76  -75.28  177.12
   13.00  -77.23  327.76  -78.28  184.13
   14.00  -77.01  342.76  -81.62  189.74
   15.00  -76.47  357.76  -85.19  196.94
   16.00  -76.45   12.76  -88.86  173.95
   17.00  -75.85   27.76  -86.82   41.05
   18.00  -76.00   42.76  -82.76   49.01
   19.00  -74.91   57.76  -78.26   49.83
   20.00  -73.94   72.76  -73.69   55.01
   21.00  -71.90   87.76  -68.34   59.06
   22.00  -69.81  102.76  -63.01   65.21
   23.00  -68.32  117.76  -58.62   73.39
</PRE>


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