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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>
19 Oct 1997 12:37:42 yearsecs  25187862
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.35  236.73  -51.78  152.14
    1.00  -64.73  251.73  -54.09  162.56
    2.00  -65.77  266.73  -57.33  172.51
    3.00  -66.82  281.73  -60.92  182.22
    4.00  -66.58  296.73  -63.83  193.57
    5.00  -67.43  311.73  -68.08  203.95
    6.00  -67.47  326.73  -71.89  217.22
    7.00  -67.38  341.73  -75.58  234.36
    8.00  -67.94  356.73  -79.43  256.91
    9.00  -67.92   11.73  -81.33  293.74
   10.00  -67.55   26.73  -79.86  334.36
   11.00  -67.37   41.73  -76.28    2.47
   12.00  -67.40   56.73  -72.20   21.60
   13.00  -67.67   71.73  -68.39   36.87
   14.00  -68.15   86.73  -65.06   50.45
   15.00  -68.86  101.73  -62.30   62.97
   16.00  -69.74  116.73  -60.23   74.46
   17.00  -70.53  131.73  -58.69   84.85
   18.00  -70.36  146.73  -56.82   93.91
   19.00  -69.82  161.73  -55.09  102.86
   20.00  -68.84  176.73  -53.38  111.95
   21.00  -67.88  191.73  -52.21  121.39
   22.00  -66.88  206.73  -51.61  131.12
   23.00  -65.19  221.73  -51.01  141.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.35  236.73  -56.38  149.62
    1.00  -70.41  251.73  -59.17  158.38
    2.00  -71.36  266.73  -62.20  166.79
    3.00  -76.12  281.73  -68.55  167.74
    4.00  -78.42  296.73  -72.67  168.54
    5.00  -78.73  311.73  -75.54  172.53
    6.00  -78.02  326.73  -78.29  179.87
    7.00  -77.42  341.73  -81.44  186.61
    8.00  -77.91  356.73  -84.77  179.87
    9.00  -77.74   11.73  -87.64  150.04
   10.00  -77.97   26.73  -86.45   81.31
   11.00  -77.76   41.73  -83.20   64.92
   12.00  -77.93   56.73  -79.66   66.55
   13.00  -77.69   71.73  -76.13   69.21
   14.00  -77.66   86.73  -72.90   74.55
   15.00  -77.38  101.73  -69.81   79.89
   16.00  -77.57  116.73  -67.48   86.82
   17.00  -77.29  131.73  -65.23   93.10
   18.00  -77.76  146.73  -64.14  100.64
   19.00  -77.38  161.73  -62.68  107.37
   20.00  -76.27  176.73  -60.89  114.22
   21.00  -74.15  191.73  -58.51  121.76
   22.00  -71.88  206.73  -56.52  130.42
   23.00  -70.19  221.73  -55.74  139.86
</PRE>


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