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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 23:40:37 yearsecs  11144437
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.01   72.62  -65.27   32.41
    1.00  -65.99   87.62  -62.61   47.32
    2.00  -66.82  102.62  -60.06   60.57
    3.00  -67.66  117.62  -57.98   72.53
    4.00  -67.31  132.62  -55.31   82.39
    5.00  -68.02  147.62  -54.36   92.82
    6.00  -68.02  162.62  -53.21  102.58
    7.00  -68.48  177.62  -52.99  112.43
    8.00  -69.72  192.62  -54.04  122.05
    9.00  -70.34  207.62  -55.03  131.20
   10.00  -70.15  222.62  -55.78  140.42
   11.00  -69.62  237.62  -56.72  150.03
   12.00  -69.39  252.62  -58.39  159.79
   13.00  -69.45  267.62  -60.69  169.53
   14.00  -69.77  282.62  -63.63  179.05
   15.00  -70.35  297.62  -67.19  188.15
   16.00  -70.93  312.62  -71.10  197.40
   17.00  -70.99  327.62  -74.85  208.96
   18.00  -71.08  342.62  -78.74  223.50
   19.00  -70.37  357.62  -81.81  249.94
   20.00  -69.49   12.62  -83.06  294.44
   21.00  -68.63   27.62  -80.90  338.61
   22.00  -67.98   42.62  -76.71    5.39
   23.00  -66.42   57.62  -70.88   20.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.01   72.62  -70.46   43.19
    1.00  -71.19   87.62  -67.73   57.35
    2.00  -71.99  102.62  -65.09   68.85
    3.00  -77.72  117.62  -67.48   87.50
    4.00  -79.68  132.62  -67.31   97.29
    5.00  -80.09  147.62  -66.31  103.83
    6.00  -79.36  162.62  -64.61  109.31
    7.00  -78.26  177.62  -62.90  115.42
    8.00  -78.31  192.62  -62.75  122.46
    9.00  -78.24  207.62  -62.91  129.50
   10.00  -78.04  222.62  -63.39  136.64
   11.00  -78.14  237.62  -64.59  143.59
   12.00  -78.44  252.62  -66.33  150.08
   13.00  -78.26  267.62  -68.03  157.00
   14.00  -78.09  282.62  -70.11  163.81
   15.00  -77.91  297.62  -72.54  170.41
   16.00  -77.74  312.62  -75.30  176.68
   17.00  -77.55  327.62  -78.35  182.49
   18.00  -78.69  342.62  -81.68  177.36
   19.00  -78.99  357.62  -84.52  167.47
   20.00  -78.18   12.62  -87.29  141.23
   21.00  -76.30   27.62  -86.87   50.02
   22.00  -73.30   42.62  -81.50   28.25
   23.00  -71.42   57.62  -75.83   34.52
</PRE>


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