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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>
11 Aug 1997 19:49:48 yearsecs  19252188
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.39  131.89  -51.36   78.70
    1.00  -63.61  146.89  -49.91   89.62
    2.00  -64.28  161.89  -49.47  100.51
    3.00  -64.95  176.89  -49.46  111.11
    4.00  -64.68  191.89  -49.02  121.30
    5.00  -65.89  206.89  -50.65  131.35
    6.00  -66.15  221.89  -51.93  141.28
    7.00  -65.95  236.89  -53.27  151.50
    8.00  -66.33  251.89  -55.55  161.60
    9.00  -66.36  266.89  -57.87  172.10
   10.00  -66.02  281.89  -60.25  183.25
   11.00  -65.78  296.89  -63.16  194.81
   12.00  -65.78  311.89  -66.71  206.92
   13.00  -66.01  326.89  -70.69  220.40
   14.00  -66.47  341.89  -74.82  236.80
   15.00  -67.16  356.89  -78.71  259.34
   16.00  -68.07   11.89  -81.49  294.01
   17.00  -69.15   26.89  -81.61  338.04
   18.00  -69.11   41.89  -78.08    7.64
   19.00  -68.45   56.89  -73.26   24.44
   20.00  -67.19   71.89  -67.85   35.99
   21.00  -66.10   86.89  -62.91   46.90
   22.00  -64.98  101.89  -58.30   57.46
   23.00  -63.89  116.89  -54.22   67.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.89  131.89  -62.95   89.88
    1.00  -75.93  146.89  -62.34   98.77
    2.00  -76.84  161.89  -62.13  107.06
    3.00  -78.38  176.89  -63.03  115.13
    4.00  -80.54  191.89  -65.04  122.29
    5.00  -81.30  206.89  -66.01  128.24
    6.00  -80.94  221.89  -66.20  134.35
    7.00  -80.63  236.89  -66.83  140.60
    8.00  -81.38  251.89  -68.74  145.17
    9.00  -81.09  266.89  -70.07  150.94
   10.00  -80.96  281.89  -71.84  156.12
   11.00  -80.62  296.89  -73.81  161.43
   12.00  -80.35  311.89  -76.11  165.86
   13.00  -80.12  326.89  -78.67  168.81
   14.00  -80.13  341.89  -81.32  167.22
   15.00  -79.75  356.89  -83.98  161.30
   16.00  -79.62   11.89  -85.78  135.64
   17.00  -78.51   26.89  -86.06   87.86
   18.00  -78.35   41.89  -83.09   70.32
   19.00  -78.68   56.89  -79.74   71.20
   20.00  -78.05   71.89  -76.25   70.85
   21.00  -76.43   86.89  -72.08   70.68
   22.00  -75.65  101.89  -68.43   75.85
   23.00  -74.97  116.89  -65.17   82.17
</PRE>


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