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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 Sep 1997 12:26:02 yearsecs  23113562
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.41  243.38  -49.87  158.33
    1.00  -62.66  258.38  -53.19  168.78
    2.00  -63.46  273.38  -56.41  179.46
    3.00  -67.66  288.38  -62.97  185.93
    4.00  -67.31  303.38  -65.97  197.53
    5.00  -68.03  318.38  -70.24  208.36
    6.00  -68.06  333.38  -74.07  222.69
    7.00  -68.69  348.38  -78.28  240.01
    8.00  -69.37    3.38  -81.98  267.37
    9.00  -69.51   18.38  -83.03  313.56
   10.00  -69.15   33.38  -80.26  352.88
   11.00  -68.82   48.38  -76.01   15.68
   12.00  -68.75   63.38  -71.75   31.75
   13.00  -68.92   78.38  -67.91   45.32
   14.00  -69.34   93.38  -64.64   57.74
   15.00  -70.00  108.38  -62.04   69.31
   16.00  -70.64  123.38  -60.01   79.80
   17.00  -70.74  138.38  -58.08   89.11
   18.00  -70.87  153.38  -56.74   98.32
   19.00  -70.18  168.38  -55.08  107.15
   20.00  -69.37  183.38  -53.74  116.26
   21.00  -68.60  198.38  -53.01  125.63
   22.00  -65.52  213.38  -50.68  135.74
   23.00  -63.21  228.38  -49.78  146.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.41  243.38  -54.49  155.69
    1.00  -67.66  258.38  -57.68  165.05
    2.00  -68.46  273.38  -60.82  174.47
    3.00  -75.20  288.38  -69.05  173.03
    4.00  -77.47  303.38  -73.36  174.07
    5.00  -77.86  318.38  -76.52  178.16
    6.00  -76.86  333.38  -79.42  187.94
    7.00  -75.83  348.38  -82.74  200.68
    8.00  -76.07    3.38  -86.61  203.18
    9.00  -76.21   18.38  -89.25   72.13
   10.00  -76.04   33.38  -85.31   45.93
   11.00  -76.22   48.38  -81.33   52.94
   12.00  -76.63   63.38  -77.64   61.25
   13.00  -76.49   78.38  -74.00   67.02
   14.00  -76.34   93.38  -70.65   73.44
   15.00  -76.20  108.38  -67.68   80.21
   16.00  -76.05  123.38  -65.17   87.22
   17.00  -75.88  138.38  -63.14   94.43
   18.00  -77.18  153.38  -63.03  103.18
   19.00  -77.43  168.38  -62.38  110.61
   20.00  -76.40  183.38  -60.86  117.65
   21.00  -74.10  198.38  -58.51  125.42
   22.00  -70.52  213.38  -55.50  134.66
   23.00  -68.21  228.38  -54.46  144.82
</PRE>


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