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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>
27 Apr 1997 22:43:39 yearsecs  10104219
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.47   87.47  -62.09   46.33
    1.00  -66.15  102.47  -59.40   59.51
    2.00  -66.94  117.47  -57.27   71.61
    3.00  -67.73  132.47  -55.76   82.66
    4.00  -67.33  147.47  -53.67   92.28
    5.00  -67.98  162.47  -53.18  102.47
    6.00  -67.90  177.47  -52.41  112.19
    7.00  -68.27  192.47  -52.60  121.88
    8.00  -69.40  207.47  -54.10  131.25
    9.00  -69.95  222.47  -55.58  140.40
   10.00  -69.95  237.47  -57.01  149.74
   11.00  -69.50  252.47  -58.46  159.61
   12.00  -69.34  267.47  -60.58  169.54
   13.00  -69.46  282.47  -63.33  179.38
   14.00  -69.83  297.47  -66.73  188.99
   15.00  -70.45  312.47  -70.69  198.41
   16.00  -71.05  327.47  -74.86  208.64
   17.00  -71.14  342.47  -78.75  223.09
   18.00  -71.25  357.47  -82.51  245.28
   19.00  -70.57   12.47  -84.23  292.07
   20.00  -69.71   27.47  -82.10  341.09
   21.00  -68.88   42.47  -77.69    7.78
   22.00  -68.21   57.47  -72.84   24.41
   23.00  -66.85   72.47  -67.33   35.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.47   87.47  -67.11   55.67
    1.00  -71.62  102.47  -64.78   68.09
    2.00  -72.40  117.47  -62.68   78.52
    3.00  -78.00  132.47  -65.80   94.50
    4.00  -79.92  147.47  -66.16  103.55
    5.00  -80.32  162.47  -65.58  110.07
    6.00  -79.60  177.47  -64.27  115.92
    7.00  -78.53  192.47  -62.97  122.40
    8.00  -78.57  207.47  -63.24  129.34
    9.00  -78.53  222.47  -63.86  136.27
   10.00  -78.26  237.47  -64.68  143.40
   11.00  -78.34  252.47  -66.24  150.14
   12.00  -78.64  267.47  -68.31  156.23
   13.00  -78.48  282.47  -70.35  162.82
   14.00  -78.31  297.47  -72.74  169.15
   15.00  -78.14  312.47  -75.45  175.06
   16.00  -77.97  327.47  -78.43  180.27
   17.00  -77.79  342.47  -81.64  184.00
   18.00  -78.92  357.47  -84.53  168.37
   19.00  -79.22   12.47  -86.22  135.72
   20.00  -78.42   27.47  -86.02   85.60
   21.00  -76.58   42.47  -82.96   54.02
   22.00  -73.68   57.47  -77.59   43.70
   23.00  -71.85   72.47  -72.14   48.16
</PRE>


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