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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>
30 Apr 1997 13:45:45 yearsecs  10331145
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.85  229.64  -50.51  147.37
    1.00  -63.75  244.64  -52.22  158.06
    2.00  -64.57  259.64  -55.12  168.37
    3.00  -65.38  274.64  -58.34  178.61
    4.00  -65.15  289.64  -61.04  190.06
    5.00  -66.28  304.64  -65.38  200.16
    6.00  -66.51  319.64  -69.29  212.46
    7.00  -66.37  334.64  -72.96  228.04
    8.00  -67.05  349.64  -77.13  246.71
    9.00  -66.57    4.64  -79.33  277.44
   10.00  -66.16   19.64  -79.18  315.68
   11.00  -65.97   34.64  -76.46  347.84
   12.00  -66.00   49.64  -72.61   10.19
   13.00  -66.26   64.64  -68.78   27.21
   14.00  -66.74   79.64  -65.37   41.91
   15.00  -67.45   94.64  -62.47   55.41
   16.00  -68.38  109.64  -60.19   67.87
   17.00  -69.43  124.64  -58.61   79.22
   18.00  -69.33  139.64  -56.51   88.68
   19.00  -68.72  154.64  -54.47   97.79
   20.00  -67.54  169.64  -52.35  106.98
   21.00  -66.49  184.64  -50.83  116.62
   22.00  -65.42  199.64  -49.90  126.55
   23.00  -64.42  214.64  -49.70  136.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.70  229.64  -59.73  142.88
    1.00  -74.76  244.64  -62.19  150.37
    2.00  -75.71  259.64  -64.86  157.25
    3.00  -77.96  274.64  -68.79  160.68
    4.00  -80.15  289.64  -72.47  160.88
    5.00  -80.80  304.64  -75.08  162.58
    6.00  -80.36  319.64  -77.43  166.97
    7.00  -79.80  334.64  -80.07  170.58
    8.00  -80.35  349.64  -82.54  162.30
    9.00  -80.04    4.64  -84.80  148.53
   10.00  -80.11   19.64  -85.28  116.26
   11.00  -79.85   34.64  -83.90   88.96
   12.00  -79.65   49.64  -81.23   78.31
   13.00  -79.40   64.64  -78.19   76.02
   14.00  -79.41   79.64  -75.20   78.76
   15.00  -79.04   94.64  -72.22   81.81
   16.00  -79.00  109.64  -69.71   87.07
   17.00  -78.09  124.64  -66.83   91.22
   18.00  -78.06  139.64  -65.08   97.77
   19.00  -78.24  154.64  -63.99  104.77
   20.00  -77.56  169.64  -62.47  111.30
   21.00  -75.86  184.64  -60.30  118.19
   22.00  -74.79  199.64  -59.23  126.07
   23.00  -73.90  214.64  -58.87  134.44
</PRE>


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