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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>
17 Jul 1997 18:10:08 yearsecs  17086208
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.64  158.47  -50.05   98.28
    1.00  -65.75  173.47  -50.38  108.98
    2.00  -66.63  188.47  -50.95  119.17
    3.00  -67.51  203.47  -52.09  128.94
    4.00  -67.21  218.47  -52.66  138.72
    5.00  -67.98  233.47  -54.76  148.23
    6.00  -68.05  248.47  -56.63  158.08
    7.00  -68.59  263.47  -59.28  167.65
    8.00  -69.93  278.47  -62.98  176.09
    9.00  -70.76  293.47  -66.63  184.65
   10.00  -70.81  308.47  -70.02  194.72
   11.00  -70.03  323.47  -73.10  208.11
   12.00  -69.65  338.47  -76.63  223.83
   13.00  -69.59  353.47  -80.23  245.22
   14.00  -69.83    8.47  -83.12  280.33
   15.00  -70.34   23.47  -83.44  331.51
   16.00  -70.87   38.47  -80.69    8.96
   17.00  -70.88   53.47  -76.54   28.46
   18.00  -70.94   68.47  -72.42   42.35
   19.00  -70.20   83.47  -67.84   52.13
   20.00  -69.27   98.47  -63.42   61.30
   21.00  -68.38  113.47  -59.46   70.53
   22.00  -67.69  128.47  -56.27   79.96
   23.00  -66.07  143.47  -52.77   88.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.64  158.47  -55.12  100.73
    1.00  -70.85  173.47  -55.52  110.51
    2.00  -71.67  188.47  -56.01  119.69
    3.00  -77.51  203.47  -62.06  127.68
    4.00  -79.52  218.47  -64.62  133.87
    5.00  -79.94  233.47  -65.93  139.96
    6.00  -79.20  248.47  -66.55  147.20
    7.00  -78.10  263.47  -67.35  155.46
    8.00  -78.15  278.47  -69.50  161.92
    9.00  -78.12  293.47  -71.93  168.17
   10.00  -77.89  308.47  -74.56  174.61
   11.00  -77.90  323.47  -77.58  179.54
   12.00  -78.20  338.47  -80.80  180.86
   13.00  -78.02  353.47  -84.04  180.41
   14.00  -77.84    8.47  -87.10  161.58
   15.00  -77.66   23.47  -87.26   85.47
   16.00  -77.47   38.47  -84.01   62.85
   17.00  -77.28   53.47  -80.31   61.77
   18.00  -78.45   68.47  -77.14   71.79
   19.00  -78.75   83.47  -74.15   77.24
   20.00  -77.92   98.47  -70.79   79.95
   21.00  -75.99  113.47  -66.64   82.27
   22.00  -72.97  128.47  -61.54   85.62
   23.00  -71.07  143.47  -57.85   92.48
</PRE>


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