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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>
12 May 1997 00:58:32 yearsecs  11321912
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.57   53.97  -69.76   12.57
    1.00  -64.84   68.97  -66.02   28.66
    2.00  -65.91   83.97  -63.41   44.11
    3.00  -67.01   98.97  -61.05   58.05
    4.00  -66.93  113.97  -57.90   69.10
    5.00  -68.00  128.97  -56.51   80.58
    6.00  -68.44  143.97  -55.14   90.75
    7.00  -69.47  158.97  -54.92  100.95
    8.00  -71.38  173.97  -56.03  110.99
    9.00  -71.40  188.97  -55.73  119.95
   10.00  -70.29  203.97  -54.84  128.99
   11.00  -69.41  218.97  -54.79  138.41
   12.00  -68.89  233.97  -55.66  148.10
   13.00  -68.72  248.97  -57.29  157.93
   14.00  -68.86  263.97  -59.60  167.72
   15.00  -69.32  278.97  -62.56  177.21
   16.00  -69.81  293.97  -65.95  186.62
   17.00  -69.76  308.97  -69.32  197.30
   18.00  -69.77  323.97  -73.02  209.22
   19.00  -68.92  338.97  -76.18  226.65
   20.00  -67.89  353.97  -78.83  251.80
   21.00  -67.07    8.97  -80.26  287.34
   22.00  -66.52   23.97  -79.12  326.48
   23.00  -65.69   38.97  -75.09  354.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.26   53.97  -76.72   30.37
    1.00  -72.51   68.97  -73.61   47.64
    2.00  -73.41   83.97  -70.51   60.37
    3.00  -78.80   98.97  -71.31   82.60
    4.00  -80.70  113.97  -70.35   92.75
    5.00  -81.17  128.97  -68.97   98.73
    6.00  -80.64  143.97  -67.12  103.17
    7.00  -79.89  158.97  -65.35  108.23
    8.00  -79.80  173.97  -64.57  114.51
    9.00  -79.69  188.97  -64.17  120.95
   10.00  -79.36  203.97  -63.96  127.55
   11.00  -79.31  218.97  -64.45  134.21
   12.00  -79.47  233.97  -65.53  140.64
   13.00  -79.20  248.97  -66.61  147.41
   14.00  -78.94  263.97  -68.09  154.19
   15.00  -78.68  278.97  -69.95  160.92
   16.00  -78.43  293.97  -72.19  167.48
   17.00  -78.16  308.97  -74.78  173.81
   18.00  -79.18  323.97  -78.01  173.40
   19.00  -79.40  338.97  -80.90  172.79
   20.00  -78.65  353.97  -83.98  173.95
   21.00  -76.88    8.97  -87.81  178.68
   22.00  -74.11   23.97  -87.04  359.73
   23.00  -72.45   38.97  -81.90   18.12
</PRE>


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