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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>
18 Jul 1997 16:17:28 yearsecs  17165848
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.24  193.76  -46.62  122.49
    1.00  -62.82  208.76  -47.77  133.00
    2.00  -63.40  223.76  -49.50  143.39
    3.00  -63.98  238.76  -51.68  153.75
    4.00  -63.59  253.76  -53.34  164.76
    5.00  -64.87  268.76  -56.86  174.78
    6.00  -65.40  283.76  -60.07  185.33
    7.00  -65.48  298.76  -63.32  196.67
    8.00  -66.20  313.76  -67.54  207.82
    9.00  -65.65  328.76  -70.85  223.05
   10.00  -65.09  343.76  -74.01  242.36
   11.00  -64.85  358.76  -76.77  267.88
   12.00  -64.85   13.76  -77.97  301.40
   13.00  -65.07   28.76  -76.66  335.41
   14.00  -65.53   43.76  -73.66    1.47
   15.00  -66.21   58.76  -70.33   21.09
   16.00  -67.11   73.76  -67.28   37.52
   17.00  -68.25   88.76  -64.66   52.23
   18.00  -68.25  103.76  -61.26   63.49
   19.00  -67.34  118.76  -57.46   72.97
   20.00  -66.16  133.76  -53.98   82.21
   21.00  -65.08  148.76  -51.26   91.78
   22.00  -63.85  163.76  -48.92  101.66
   23.00  -62.69  178.76  -47.13  111.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.28  193.76  -57.63  122.86
    1.00  -74.24  208.76  -58.94  131.11
    2.00  -75.13  223.76  -60.64  138.88
    3.00  -76.03  238.76  -62.74  146.11
    4.00  -78.36  253.76  -66.40  150.70
    5.00  -79.31  268.76  -68.99  155.44
    6.00  -78.88  283.76  -70.82  162.33
    7.00  -78.34  298.76  -72.98  169.54
    8.00  -79.19  313.76  -76.09  171.20
    9.00  -79.06  328.76  -78.92  174.70
   10.00  -79.02  343.76  -81.87  174.78
   11.00  -78.81  358.76  -84.81  168.12
   12.00  -78.46   13.76  -87.07  134.56
   13.00  -78.31   28.76  -85.86   81.72
   14.00  -78.39   43.76  -82.67   70.04
   15.00  -78.00   58.76  -79.20   67.34
   16.00  -77.87   73.76  -75.76   70.67
   17.00  -76.56   88.76  -71.77   71.93
   18.00  -76.41  103.76  -68.68   78.47
   19.00  -76.86  118.76  -66.57   86.39
   20.00  -76.47  133.76  -64.22   92.90
   21.00  -74.71  148.76  -60.97   98.61
   22.00  -74.09  163.76  -59.26  106.30
   23.00  -73.30  178.76  -57.81  114.37
</PRE>


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