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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>
25 Aug 1997 11:58:12 yearsecs  20433492
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.47  253.84  -51.41  166.12
    1.00  -62.08  268.84  -54.37  177.14
    2.00  -62.68  283.84  -57.66  188.26
    3.00  -63.29  298.84  -61.37  199.59
    4.00  -62.70  313.84  -64.43  213.26
    5.00  -63.88  328.84  -69.29  226.31
    6.00  -64.56  343.84  -73.54  243.51
    7.00  -64.80  358.84  -76.72  268.14
    8.00  -65.38   13.84  -78.56  301.33
    9.00  -64.74   28.84  -76.26  335.22
   10.00  -64.33   43.84  -72.23  359.48
   11.00  -64.14   58.84  -67.92   17.20
   12.00  -64.18   73.84  -64.00   32.10
   13.00  -64.44   88.84  -60.64   45.87
   14.00  -64.92  103.84  -57.83   58.94
   15.00  -65.62  118.84  -55.68   71.18
   16.00  -66.55  133.84  -54.38   82.58
   17.00  -67.66  148.84  -53.88   93.39
   18.00  -67.40  163.84  -52.51  103.12
   19.00  -67.05  178.84  -51.51  112.89
   20.00  -65.61  193.84  -49.96  122.67
   21.00  -64.51  208.84  -49.41  132.84
   22.00  -63.16  223.84  -49.28  143.51
   23.00  -61.99  238.84  -49.83  154.72
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.62  253.84  -57.87  161.22
    1.00  -69.63  268.84  -61.05  170.14
    2.00  -70.65  283.84  -64.60  178.57
    3.00  -71.62  298.84  -68.46  186.55
    4.00  -74.31  313.84  -73.72  189.07
    5.00  -75.12  328.84  -77.68  194.55
    6.00  -75.11  343.84  -81.36  203.39
    7.00  -74.47  358.84  -84.98  222.29
    8.00  -75.46   13.84  -89.29  243.56
    9.00  -75.34   28.84  -86.41   32.64
   10.00  -75.34   43.84  -82.25   44.04
   11.00  -75.12   58.84  -78.08   51.49
   12.00  -74.78   73.84  -74.01   58.59
   13.00  -74.68   88.84  -70.38   66.65
   14.00  -74.75  103.84  -67.30   74.91
   15.00  -74.28  118.84  -64.23   82.11
   16.00  -74.16  133.84  -62.00   90.03
   17.00  -72.66  148.84  -58.92   96.93
   18.00  -72.40  163.84  -57.55  105.44
   19.00  -73.03  178.84  -57.54  114.34
   20.00  -72.35  193.84  -56.69  122.88
   21.00  -70.29  208.84  -55.04  131.95
   22.00  -69.66  223.84  -55.42  141.36
   23.00  -68.54  238.84  -55.87  151.44
</PRE>


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