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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 Jun 1997 15:30:42 yearsecs  15348642
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.58  206.97  -45.49  131.97
    1.00  -61.24  221.97  -47.27  142.70
    2.00  -61.89  236.97  -49.51  153.39
    3.00  -62.55  251.97  -52.13  164.08
    4.00  -61.73  266.97  -53.73  175.96
    5.00  -62.81  281.97  -57.40  186.67
    6.00  -63.72  296.97  -61.35  197.53
    7.00  -64.17  311.97  -65.30  209.48
    8.00  -64.49  326.97  -69.37  223.28
    9.00  -64.28  341.97  -72.84  241.44
   10.00  -63.77  356.97  -75.38  266.24
   11.00  -63.56   11.97  -76.55  297.93
   12.00  -63.59   26.97  -75.24  330.50
   13.00  -63.84   41.97  -72.13  356.06
   14.00  -64.31   56.97  -68.63   15.47
   15.00  -65.01   71.97  -65.44   31.81
   16.00  -65.94   86.97  -62.71   46.69
   17.00  -67.09  101.97  -60.47   60.46
   18.00  -67.07  116.97  -57.49   71.39
   19.00  -66.42  131.97  -54.48   81.19
   20.00  -64.89  146.97  -51.23   90.43
   21.00  -63.78  161.97  -48.95  100.37
   22.00  -62.31  176.97  -46.79  110.58
   23.00  -61.15  191.97  -45.51  121.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.07  206.97  -56.71  130.52
    1.00  -72.79  221.97  -58.26  138.98
    2.00  -73.68  236.97  -60.39  147.02
    3.00  -74.43  251.97  -62.76  154.70
    4.00  -76.45  266.97  -66.50  159.86
    5.00  -77.50  281.97  -69.59  164.88
    6.00  -77.37  296.97  -72.10  171.72
    7.00  -76.80  311.97  -74.72  179.88
    8.00  -77.20  326.97  -78.10  184.00
    9.00  -77.40  341.97  -81.49  186.80
   10.00  -77.26  356.97  -84.95  187.31
   11.00  -76.99   11.97  -88.33  162.26
   12.00  -76.69   26.97  -86.98   58.46
   13.00  -76.60   41.97  -83.10   54.10
   14.00  -76.52   56.97  -79.20   58.16
   15.00  -76.05   71.97  -75.26   62.43
   16.00  -75.92   86.97  -71.71   69.17
   17.00  -74.75  101.97  -67.67   73.92
   18.00  -74.57  116.97  -64.80   81.56
   19.00  -75.03  131.97  -63.07   90.11
   20.00  -74.52  146.97  -60.95   97.47
   21.00  -73.00  161.97  -58.27  104.68
   22.00  -72.73  176.97  -57.30  113.18
   23.00  -71.75  191.97  -56.08  121.76
</PRE>


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