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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>
24 Aug 1997 18:53:40 yearsecs  20372020
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.84  146.23  -51.24   89.88
    1.00  -64.63  161.23  -49.87  100.19
    2.00  -65.80  176.23  -50.34  110.86
    3.00  -66.96  191.23  -51.29  121.01
    4.00  -67.02  206.23  -51.72  130.78
    5.00  -68.26  221.23  -53.88  140.19
    6.00  -68.74  236.23  -55.76  149.63
    7.00  -68.95  251.23  -57.81  159.23
    8.00  -69.96  266.23  -60.91  168.07
    9.00  -70.12  281.23  -63.66  177.63
   10.00  -70.46  296.23  -66.98  187.02
   11.00  -69.27  311.23  -69.47  200.00
   12.00  -68.61  326.23  -72.69  214.12
   13.00  -68.32  341.23  -76.25  231.16
   14.00  -68.36  356.23  -79.72  254.67
   15.00  -68.68   11.23  -82.12  291.25
   16.00  -69.27   26.23  -81.85  336.61
   17.00  -69.97   41.23  -79.11    9.63
   18.00  -69.44   56.23  -74.42   26.55
   19.00  -68.71   71.23  -69.58   38.81
   20.00  -67.33   86.23  -64.35   48.52
   21.00  -66.71  101.23  -60.25   59.34
   22.00  -65.91  116.23  -56.43   69.56
   23.00  -65.12  131.23  -53.25   79.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.85  146.23  -56.34   93.21
    1.00  -71.17  161.23  -56.47  103.24
    2.00  -72.38  176.23  -56.97  112.65
    3.00  -76.01  191.23  -60.39  121.62
    4.00  -78.55  206.23  -63.19  128.77
    5.00  -79.17  221.23  -64.42  135.29
    6.00  -78.63  236.23  -64.93  142.46
    7.00  -78.16  251.23  -65.94  149.84
    8.00  -78.77  266.23  -68.24  155.47
    9.00  -78.51  281.23  -70.17  162.25
   10.00  -78.74  296.23  -72.76  167.38
   11.00  -78.50  311.23  -75.36  173.28
   12.00  -78.27  326.23  -78.25  178.47
   13.00  -77.83  341.23  -81.37  183.63
   14.00  -77.67  356.23  -84.71  182.80
   15.00  -77.14   11.23  -88.08  162.98
   16.00  -77.09   26.23  -87.03   67.52
   17.00  -76.20   41.23  -83.22   50.24
   18.00  -76.18   56.23  -79.26   55.90
   19.00  -75.82   71.23  -75.31   61.15
   20.00  -74.97   86.23  -71.19   66.01
   21.00  -72.96  101.23  -66.26   69.82
   22.00  -71.37  116.23  -61.91   76.31
   23.00  -70.12  131.23  -58.35   84.12
</PRE>


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