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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>
04 Aug 1997 17:55:16 yearsecs  18640516
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.55  163.00  -50.69  101.80
    1.00  -64.98  178.00  -49.45  111.88
    2.00  -66.08  193.00  -50.42  122.13
    3.00  -67.18  208.00  -51.97  131.92
    4.00  -67.04  223.00  -52.87  141.75
    5.00  -67.96  238.00  -55.24  151.22
    6.00  -68.10  253.00  -57.29  161.07
    7.00  -68.12  268.00  -59.60  171.18
    8.00  -68.94  283.00  -63.00  180.45
    9.00  -68.92  298.00  -66.10  190.91
   10.00  -68.50  313.00  -69.28  202.96
   11.00  -68.12  328.00  -72.75  217.00
   12.00  -68.00  343.00  -76.42  234.39
   13.00  -68.14  358.00  -79.86  258.92
   14.00  -68.51   13.00  -82.01  296.82
   15.00  -69.12   28.00  -81.36  340.75
   16.00  -69.91   43.00  -78.57   12.05
   17.00  -70.63   58.00  -75.03   32.11
   18.00  -70.35   73.00  -70.68   44.40
   19.00  -69.55   88.00  -66.12   54.16
   20.00  -68.72  103.00  -61.89   63.65
   21.00  -67.84  118.00  -58.10   73.01
   22.00  -67.03  133.00  -54.97   82.41
   23.00  -66.28  148.00  -52.55   91.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.05  163.00  -56.24  104.25
    1.00  -72.12  178.00  -56.64  113.61
    2.00  -73.10  193.00  -57.44  122.42
    3.00  -77.46  208.00  -62.14  129.90
    4.00  -79.61  223.00  -64.95  135.78
    5.00  -79.96  238.00  -66.29  141.83
    6.00  -79.33  253.00  -67.13  148.93
    7.00  -78.74  268.00  -68.45  156.27
    8.00  -79.10  283.00  -70.85  161.47
    9.00  -78.87  298.00  -73.14  167.59
   10.00  -78.98  313.00  -75.88  171.88
   11.00  -78.75  328.00  -78.72  176.30
   12.00  -78.85  343.00  -81.74  176.14
   13.00  -78.58  358.00  -84.78  171.35
   14.00  -78.51   13.00  -86.98  137.40
   15.00  -78.19   28.00  -86.08   81.58
   16.00  -78.31   43.00  -82.85   69.61
   17.00  -77.99   58.00  -79.38   67.12
   18.00  -78.21   73.00  -76.07   71.90
   19.00  -78.04   88.00  -72.87   76.29
   20.00  -77.06  103.00  -69.34   79.66
   21.00  -75.16  118.00  -65.17   83.07
   22.00  -73.16  133.00  -61.12   88.41
   23.00  -71.69  148.00  -58.03   95.68
</PRE>


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