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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>
20 Aug 1997 00:57:40 yearsecs  19961860
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.49   56.48  -67.77   13.53
    1.00  -64.68   71.48  -65.19   30.76
    2.00  -65.45   86.48  -62.31   45.48
    3.00  -67.88  101.48  -61.38   61.27
    4.00  -67.43  116.48  -57.95   71.47
    5.00  -68.01  131.48  -56.18   82.26
    6.00  -67.86  146.48  -54.30   91.98
    7.00  -68.21  161.48  -53.47  101.93
    8.00  -69.08  176.48  -53.63  111.86
    9.00  -69.42  191.48  -53.74  121.33
   10.00  -69.20  206.48  -53.86  130.67
   11.00  -68.99  221.48  -54.59  140.12
   12.00  -69.01  236.48  -56.04  149.65
   13.00  -69.26  251.48  -58.11  159.16
   14.00  -69.73  266.48  -60.76  168.48
   15.00  -70.43  281.48  -63.97  177.36
   16.00  -71.10  296.48  -67.54  186.02
   17.00  -71.23  311.48  -71.05  195.88
   18.00  -71.39  326.48  -74.85  206.79
   19.00  -70.75  341.48  -78.22  223.47
   20.00  -69.94  356.48  -81.19  249.50
   21.00  -69.16   11.48  -82.66  291.28
   22.00  -67.17   26.48  -79.48  333.19
   23.00  -65.09   41.48  -73.76  357.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.49   56.48  -73.41   24.12
    1.00  -69.68   71.48  -70.45   41.40
    2.00  -70.45   86.48  -67.34   54.93
    3.00  -76.61  101.48  -69.26   77.88
    4.00  -78.69  116.48  -68.46   89.02
    5.00  -78.79  131.48  -66.63   95.33
    6.00  -78.33  146.48  -64.71  101.18
    7.00  -77.27  161.48  -62.58  107.17
    8.00  -77.44  176.48  -62.10  114.55
    9.00  -77.53  191.48  -61.95  121.86
   10.00  -77.34  206.48  -61.97  129.19
   11.00  -77.47  221.48  -62.77  136.44
   12.00  -77.82  236.48  -64.19  143.36
   13.00  -77.67  251.48  -65.54  150.61
   14.00  -77.51  266.48  -67.29  157.84
   15.00  -77.36  281.48  -69.41  164.99
   16.00  -77.20  296.48  -71.91  171.99
   17.00  -77.03  311.48  -74.74  178.84
   18.00  -78.19  326.48  -78.29  178.91
   19.00  -78.44  341.48  -81.45  179.30
   20.00  -77.51  356.48  -84.80  184.55
   21.00  -75.43   11.48  -88.68  229.45
   22.00  -72.17   26.48  -84.80  349.33
   23.00  -70.09   41.48  -79.16   10.49
</PRE>


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