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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>
22 Apr 1997 11:59:10 yearsecs   9633550
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.07  252.86  -51.82  165.03
    1.00  -62.64  267.86  -54.71  175.95
    2.00  -63.21  282.86  -57.94  186.98
    3.00  -63.77  297.86  -61.59  198.19
    4.00  -63.34  312.86  -64.77  211.48
    5.00  -64.59  327.86  -69.69  224.04
    6.00  -65.11  342.86  -73.81  241.08
    7.00  -65.24  357.86  -77.01  265.43
    8.00  -65.81   12.86  -79.05  298.64
    9.00  -65.18   27.86  -76.95  333.70
   10.00  -64.76   42.86  -73.01  358.83
   11.00  -64.57   57.86  -68.69   16.91
   12.00  -64.61   72.86  -64.75   31.93
   13.00  -64.87   87.86  -61.34   45.71
   14.00  -65.35  102.86  -58.49   58.73
   15.00  -66.06  117.86  -56.30   70.92
   16.00  -66.99  132.86  -54.95   82.28
   17.00  -68.14  147.86  -54.46   93.07
   18.00  -68.12  162.86  -53.29  102.79
   19.00  -67.48  177.86  -51.98  112.35
   20.00  -66.10  192.86  -50.44  122.04
   21.00  -64.99  207.86  -49.83  132.11
   22.00  -63.73  222.86  -49.73  142.66
   23.00  -62.55  237.86  -50.24  153.76
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.92  252.86  -58.00  160.33
    1.00  -70.01  267.86  -61.22  169.07
    2.00  -71.01  282.86  -64.71  177.40
    3.00  -72.01  297.86  -68.55  185.14
    4.00  -74.85  312.86  -73.83  186.83
    5.00  -75.77  327.86  -77.74  191.13
    6.00  -75.47  342.86  -81.25  200.45
    7.00  -74.85  357.86  -84.89  216.74
    8.00  -76.01   12.86  -89.10  198.03
    9.00  -75.84   27.86  -86.79   40.93
   10.00  -75.94   42.86  -82.72   48.50
   11.00  -75.80   57.86  -78.67   54.52
   12.00  -75.47   72.86  -74.69   60.59
   13.00  -75.37   87.86  -71.12   68.02
   14.00  -75.54  102.86  -68.15   76.08
   15.00  -75.12  117.86  -65.15   82.93
   16.00  -75.00  132.86  -62.93   90.53
   17.00  -73.42  147.86  -59.77   96.99
   18.00  -73.12  162.86  -58.33  105.25
   19.00  -73.80  177.86  -58.34  114.01
   20.00  -73.08  192.86  -57.43  122.34
   21.00  -70.89  207.86  -55.59  131.26
   22.00  -70.09  222.86  -55.74  140.59
   23.00  -69.02  237.86  -56.20  150.53
</PRE>


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