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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>
26 Feb 1997 13:00:40 yearsecs   4885240
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.18  238.12  -49.93  154.10
    1.00  -63.40  253.12  -53.08  164.41
    2.00  -64.41  268.12  -56.35  174.69
    3.00  -65.17  283.12  -59.74  185.11
    4.00  -64.93  298.12  -62.68  196.91
    5.00  -66.09  313.12  -67.29  207.45
    6.00  -66.35  328.12  -71.30  220.97
    7.00  -66.22  343.12  -74.89  239.04
    8.00  -66.66  358.12  -78.46  262.99
    9.00  -66.39   13.12  -79.69  298.89
   10.00  -65.98   28.12  -77.83  335.16
   11.00  -65.79   43.12  -74.14    1.05
   12.00  -65.82   58.12  -70.07   19.59
   13.00  -66.08   73.12  -66.33   34.87
   14.00  -66.56   88.12  -63.09   48.71
   15.00  -67.27  103.12  -60.41   61.58
   16.00  -68.20  118.12  -58.44   73.50
   17.00  -68.62  133.12  -56.58   83.89
   18.00  -68.68  148.12  -54.98   93.58
   19.00  -68.57  163.12  -53.74  103.15
   20.00  -67.36  178.12  -51.84  112.49
   21.00  -65.64  193.12  -49.98  122.18
   22.00  -64.08  208.12  -48.96  132.39
   23.00  -62.68  223.12  -48.76  143.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.18  238.12  -54.55  151.70
    1.00  -68.40  253.12  -57.57  160.91
    2.00  -69.46  268.12  -60.79  169.84
    3.00  -72.09  283.12  -65.64  175.87
    4.00  -75.11  298.12  -70.86  178.31
    5.00  -75.91  313.12  -74.49  183.49
    6.00  -74.93  328.12  -77.41  194.99
    7.00  -74.00  343.12  -80.68  209.73
    8.00  -75.15  358.12  -85.06  213.62
    9.00  -74.95   13.12  -88.77  260.74
   10.00  -75.29   28.12  -86.60   30.94
   11.00  -75.16   43.12  -82.38   42.19
   12.00  -75.05   58.12  -78.23   50.73
   13.00  -74.91   73.12  -74.27   58.66
   14.00  -75.13   88.12  -70.88   67.47
   15.00  -74.77  103.12  -67.46   74.57
   16.00  -74.85  118.12  -64.87   82.62
   17.00  -73.62  133.12  -61.56   89.00
   18.00  -73.68  148.12  -60.00   97.35
   19.00  -74.11  163.12  -59.32  105.96
   20.00  -73.12  178.12  -57.65  113.95
   21.00  -70.64  193.12  -54.97  122.39
   22.00  -69.08  208.12  -53.82  131.71
   23.00  -67.68  223.12  -53.49  141.60
</PRE>


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