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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>
31 Jul 1997 18:42:02 yearsecs  18297722
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.98  149.57  -49.02   91.19
    1.00  -63.35  164.57  -48.36  102.05
    2.00  -63.96  179.57  -48.39  112.75
    3.00  -64.56  194.57  -48.93  123.13
    4.00  -64.28  209.57  -49.24  133.36
    5.00  -65.56  224.57  -51.61  143.28
    6.00  -65.88  239.57  -53.53  153.37
    7.00  -65.76  254.57  -55.43  163.88
    8.00  -66.46  269.57  -58.41  173.91
    9.00  -65.90  284.57  -60.67  185.36
   10.00  -65.45  299.57  -63.47  197.36
   11.00  -65.26  314.57  -66.92  210.10
   12.00  -65.29  329.57  -70.74  224.60
   13.00  -65.55  344.57  -74.61  242.57
   14.00  -66.03  359.58  -78.08  267.32
   15.00  -66.74   14.57  -80.07  302.53
   16.00  -67.67   29.57  -79.47  341.04
   17.00  -68.80   44.57  -77.03   10.55
   18.00  -68.80   59.57  -72.86   28.16
   19.00  -68.12   74.57  -68.11   40.37
   20.00  -66.83   89.57  -63.02   50.35
   21.00  -65.74  104.57  -58.54   60.59
   22.00  -64.59  119.57  -54.48   70.66
   23.00  -63.45  134.57  -51.07   80.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.06  149.57  -59.26   97.67
    1.00  -74.18  164.57  -59.30  106.80
    2.00  -75.14  179.57  -59.66  115.34
    3.00  -76.47  194.57  -60.88  123.35
    4.00  -78.93  209.57  -63.67  130.19
    5.00  -79.80  224.57  -65.22  136.32
    6.00  -79.27  239.57  -65.80  143.27
    7.00  -78.74  254.57  -66.81  150.50
    8.00  -79.61  269.57  -69.31  155.14
    9.00  -79.39  284.57  -71.26  161.32
   10.00  -79.52  299.57  -73.73  165.97
   11.00  -79.37  314.57  -76.30  170.62
   12.00  -79.05  329.57  -79.07  174.88
   13.00  -78.83  344.57  -82.06  176.04
   14.00  -78.90  359.58  -84.91  166.19
   15.00  -78.49   14.57  -87.07  131.03
   16.00  -78.34   29.57  -85.70   80.69
   17.00  -77.00   44.57  -82.48   58.02
   18.00  -76.79   59.57  -78.65   60.67
   19.00  -77.30   74.57  -75.31   68.58
   20.00  -76.68   89.57  -71.68   72.66
   21.00  -74.83  104.57  -67.22   75.46
   22.00  -73.97  119.57  -63.82   82.03
   23.00  -73.17  134.57  -60.94   89.31
</PRE>


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