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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
18 Jul 1997 19:40:52 yearsecs  17178052
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.54  133.36  -52.36   80.64
    1.00  -64.50  148.36  -50.69   91.17
    2.00  -65.61  163.36  -50.73  102.06
    3.00  -66.72  178.36  -51.20  112.51
    4.00  -66.61  193.36  -50.95  122.39
    5.00  -67.61  208.36  -52.40  132.09
    6.00  -67.80  223.36  -53.62  141.72
    7.00  -67.74  238.36  -55.09  151.57
    8.00  -68.51  253.36  -57.70  160.99
    9.00  -68.32  268.36  -59.84  171.22
   10.00  -68.01  283.36  -62.27  181.91
   11.00  -67.55  298.36  -65.03  193.36
   12.00  -67.45  313.36  -68.50  205.25
   13.00  -67.60  328.36  -72.42  218.55
   14.00  -67.99  343.36  -76.49  234.91
   15.00  -68.61  358.36  -80.38  258.21
   16.00  -69.47   13.36  -83.07  296.91
   17.00  -70.36   28.36  -82.61  345.62
   18.00  -70.06   43.36  -78.61   13.12
   19.00  -69.44   58.36  -73.82   28.74
   20.00  -68.32   73.36  -68.63   39.77
   21.00  -67.41   88.36  -63.91   50.38
   22.00  -65.99  103.36  -59.05   59.99
   23.00  -64.77  118.36  -54.87   69.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.54  133.36  -57.48   84.90
    1.00  -70.99  148.36  -57.29   95.36
    2.00  -72.32  163.36  -57.50  105.11
    3.00  -76.58  178.36  -61.16  115.17
    4.00  -79.04  193.36  -63.51  122.83
    5.00  -79.56  208.36  -64.28  129.43
    6.00  -79.06  223.36  -64.43  136.32
    7.00  -78.66  238.36  -65.13  143.40
    8.00  -79.20  253.36  -67.07  149.28
    9.00  -78.97  268.36  -68.68  155.96
   10.00  -79.26  283.36  -71.00  161.21
   11.00  -79.01  298.36  -73.27  167.27
   12.00  -78.83  313.36  -75.89  172.61
   13.00  -78.39  328.36  -78.72  178.31
   14.00  -78.14  343.36  -81.85  181.40
   15.00  -77.55  358.36  -85.22  183.04
   16.00  -77.45   13.36  -88.08  144.52
   17.00  -76.65   28.36  -86.64   56.35
   18.00  -76.51   43.36  -82.72   53.64
   19.00  -75.33   58.36  -78.32   52.34
   20.00  -74.47   73.36  -73.92   57.23
   21.00  -72.65   88.36  -68.84   61.21
   22.00  -70.99  103.36  -64.01   67.58
   23.00  -69.77  118.36  -59.96   75.55
</PRE>


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