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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 Aug 1997 05:48:12 yearsecs  20843292
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.61  344.80  -67.88  253.50
    1.00  -59.68  359.80  -71.55  276.37
    2.00  -60.76   14.80  -73.33  305.21
    3.00  -61.78   29.80  -72.52  334.47
    4.00  -62.86   44.80  -70.18  358.53
    5.00  -64.07   59.80  -67.57   18.08
    6.00  -64.62   74.80  -64.27   33.74
    7.00  -64.88   89.80  -60.90   47.36
    8.00  -65.50  104.80  -58.24   60.45
    9.00  -64.86  119.80  -54.73   71.10
   10.00  -64.45  134.80  -52.08   81.59
   11.00  -64.26  149.80  -50.32   92.04
   12.00  -64.29  164.80  -49.31  102.55
   13.00  -64.55  179.80  -48.98  113.02
   14.00  -65.03  194.80  -49.40  123.29
   15.00  -65.74  209.80  -50.66  133.30
   16.00  -66.54  224.80  -52.55  143.10
   17.00  -64.69  239.80  -52.46  154.13
   18.00  -64.23  254.80  -54.08  165.09
   19.00  -64.89  269.80  -57.06  175.52
   20.00  -63.94  284.80  -58.98  187.72
   21.00  -61.27  299.80  -59.74  202.73
   22.00  -60.29  314.80  -62.41  217.24
   23.00  -58.76  329.80  -64.63  234.53
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.61  344.80  -72.84  246.61
    1.00  -64.68  359.80  -76.75  270.22
    2.00  -65.76   14.80  -78.97  303.53
    3.00  -66.78   29.80  -78.43  339.87
    4.00  -70.06   44.80  -78.22   15.11
    5.00  -71.00   59.80  -74.86   35.04
    6.00  -71.32   74.80  -71.08   48.41
    7.00  -70.68   89.80  -66.75   57.79
    8.00  -72.13  104.80  -64.78   70.45
    9.00  -72.10  119.80  -62.01   79.47
   10.00  -72.25  134.80  -60.01   88.45
   11.00  -72.13  149.80  -58.31   97.07
   12.00  -71.83  164.80  -56.93  105.71
   13.00  -71.82  179.80  -56.30  114.59
   14.00  -72.04  194.80  -56.39  123.43
   15.00  -71.59  209.80  -56.36  132.27
   16.00  -71.54  224.80  -57.27  141.18
   17.00  -69.69  239.80  -57.03  151.37
   18.00  -69.23  254.80  -58.55  161.34
   19.00  -69.89  269.80  -61.44  170.46
   20.00  -68.94  284.80  -63.35  181.66
   21.00  -66.27  299.80  -64.24  196.37
   22.00  -65.29  314.80  -67.00  210.24
   23.00  -63.76  329.80  -69.42  227.55
</PRE>


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