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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>
01 May 1997 15:13:15 yearsecs  10422795
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.01  208.54  -47.95  132.81
    1.00  -63.93  223.54  -49.98  143.07
    2.00  -64.83  238.54  -52.44  153.18
    3.00  -65.73  253.54  -55.25  163.17
    4.00  -65.52  268.54  -57.40  174.04
    5.00  -66.59  283.54  -61.07  183.80
    6.00  -66.79  298.54  -64.41  194.65
    7.00  -66.64  313.54  -67.86  206.86
    8.00  -67.32  328.54  -72.23  219.36
    9.00  -66.89  343.54  -75.58  238.05
   10.00  -66.46  358.54  -78.34  264.28
   11.00  -66.27   13.54  -79.56  300.06
   12.00  -66.31   28.54  -78.13  336.50
   13.00  -66.56   43.54  -74.91    3.27
   14.00  -67.05   58.54  -71.31   22.70
   15.00  -67.75   73.54  -68.00   38.66
   16.00  -68.68   88.54  -65.15   52.87
   17.00  -69.70  103.54  -62.74   65.57
   18.00  -69.56  118.54  -59.73   75.41
   19.00  -68.97  133.54  -56.88   84.48
   20.00  -67.84  148.54  -54.09   93.31
   21.00  -66.80  163.54  -51.93  102.67
   22.00  -65.08  178.54  -49.54  112.27
   23.00  -63.59  193.54  -47.95  122.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.01  208.54  -52.80  132.14
    1.00  -69.16  223.54  -54.92  141.36
    2.00  -70.21  238.54  -57.37  150.25
    3.00  -73.63  253.54  -62.26  156.43
    4.00  -76.39  268.54  -66.68  160.74
    5.00  -76.98  283.54  -69.48  166.76
    6.00  -76.09  298.54  -71.60  175.98
    7.00  -75.24  313.54  -74.21  185.94
    8.00  -75.88  328.54  -77.95  190.96
    9.00  -75.60  343.54  -81.46  199.92
   10.00  -75.87  358.54  -85.34  204.86
   11.00  -75.70   13.54  -89.30  221.05
   12.00  -75.73   28.54  -86.59   39.13
   13.00  -75.56   43.54  -82.41   45.63
   14.00  -75.72   58.54  -78.46   54.44
   15.00  -75.40   73.54  -74.48   60.68
   16.00  -75.58   88.54  -71.12   68.95
   17.00  -74.73  103.54  -67.34   74.71
   18.00  -74.93  118.54  -64.88   82.98
   19.00  -75.02  133.54  -62.87   90.91
   20.00  -74.09  148.54  -60.38   97.94
   21.00  -71.85  163.54  -57.02  104.98
   22.00  -70.08  178.54  -54.57  113.40
   23.00  -68.59  193.54  -52.92  122.58
</PRE>


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