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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>
16 Jun 1997 14:21:44 yearsecs  14394104
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.23  223.93  -49.36  143.55
    1.00  -63.50  238.93  -51.25  154.09
    2.00  -64.16  253.93  -53.88  164.51
    3.00  -64.80  268.93  -56.84  174.96
    4.00  -64.54  283.93  -59.34  186.41
    5.00  -65.78  298.93  -63.62  196.40
    6.00  -66.08  313.93  -67.47  208.17
    7.00  -65.93  328.93  -71.14  222.68
    8.00  -66.43  343.93  -75.26  239.70
    9.00  -66.11  358.93  -78.05  265.84
   10.00  -65.69   13.93  -78.91  301.39
   11.00  -65.50   28.93  -77.12  336.24
   12.00  -65.52   43.93  -73.62    1.70
   13.00  -65.78   58.93  -69.80   20.38
   14.00  -66.25   73.93  -66.31   35.95
   15.00  -66.96   88.93  -63.31   50.05
   16.00  -67.88  103.93  -60.86   63.07
   17.00  -68.99  118.93  -59.09   74.98
   18.00  -68.97  133.93  -56.83   84.73
   19.00  -68.30  148.93  -54.53   93.86
   20.00  -67.03  163.93  -52.14  103.02
   21.00  -65.96  178.93  -50.41  112.72
   22.00  -64.83  193.93  -49.19  122.70
   23.00  -63.72  208.93  -48.66  133.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.62  223.93  -58.24  140.19
    1.00  -73.74  238.93  -60.64  148.07
    2.00  -74.71  253.93  -63.26  155.46
    3.00  -76.31  268.93  -66.67  161.07
    4.00  -78.78  283.93  -70.78  162.65
    5.00  -79.63  298.93  -73.67  165.39
    6.00  -79.11  313.93  -76.09  171.58
    7.00  -78.75  328.93  -78.90  176.45
    8.00  -79.23  343.93  -81.88  173.17
    9.00  -79.09  358.93  -84.69  165.09
   10.00  -79.13   13.93  -86.38  131.51
   11.00  -78.91   28.93  -85.44   88.18
   12.00  -78.60   43.93  -82.60   71.83
   13.00  -78.39   58.93  -79.24   69.67
   14.00  -78.48   73.93  -75.98   73.33
   15.00  -78.08   88.93  -72.71   76.75
   16.00  -77.97  103.93  -69.86   82.29
   17.00  -76.69  118.93  -66.40   86.17
   18.00  -76.55  133.93  -64.27   93.08
   19.00  -77.01  148.93  -63.22  100.87
   20.00  -76.36  163.93  -61.53  107.76
   21.00  -74.50  178.93  -59.03  114.81
   22.00  -73.60  193.93  -57.95  122.96
   23.00  -72.77  208.93  -57.49  131.52
</PRE>


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