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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>
28 Jan 1997 15:28:41 yearsecs   2388521
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.49  199.90  -42.10  126.94
    1.00  -57.72  214.90  -43.25  138.22
    2.00  -57.93  229.90  -44.89  149.56
    3.00  -58.13  244.90  -46.94  161.01
    4.00  -58.29  259.90  -49.37  172.68
    5.00  -58.85  274.90  -52.47  184.39
    6.00  -60.57  289.90  -56.95  195.21
    7.00  -61.94  304.90  -61.54  206.31
    8.00  -61.23  319.90  -64.58  220.99
    9.00  -60.05  334.90  -67.13  238.89
   10.00  -59.80  349.90  -70.12  259.65
   11.00  -60.08    4.90  -72.46  285.62
   12.00  -60.49   19.90  -72.59  315.52
   13.00  -61.04   34.90  -70.44  342.31
   14.00  -61.75   49.90  -67.39    3.40
   15.00  -62.65   64.90  -64.48   20.97
   16.00  -63.73   79.90  -61.97   36.89
   17.00  -64.99   94.90  -59.85   51.80
   18.00  -65.33  109.90  -57.03   64.17
   19.00  -64.06  124.90  -53.07   74.12
   20.00  -62.52  139.90  -49.49   83.94
   21.00  -61.44  154.90  -47.02   94.31
   22.00  -59.63  169.90  -44.32  104.76
   23.00  -58.47  184.90  -42.80  115.74
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.09  199.90  -54.52  126.52
    1.00  -70.98  214.90  -56.04  135.46
    2.00  -71.82  229.90  -57.98  144.07
    3.00  -72.22  244.90  -59.92  152.71
    4.00  -72.91  259.90  -62.50  160.88
    5.00  -74.18  274.90  -65.89  167.69
    6.00  -74.42  289.90  -68.75  175.51
    7.00  -73.26  304.90  -71.01  186.71
    8.00  -73.13  319.90  -74.39  196.49
    9.00  -73.20  334.90  -78.15  207.06
   10.00  -72.90  349.90  -81.82  223.27
   11.00  -72.68    4.90  -85.29  254.11
   12.00  -72.58   19.90  -86.28  325.57
   13.00  -72.51   34.90  -83.06   11.89
   14.00  -72.64   49.90  -78.98   32.26
   15.00  -72.56   64.90  -74.74   44.75
   16.00  -73.03   79.90  -71.20   56.74
   17.00  -73.34   94.90  -67.94   66.84
   18.00  -73.00  109.90  -64.59   75.01
   19.00  -72.05  124.90  -61.16   82.44
   20.00  -71.76  139.90  -58.92   90.95
   21.00  -71.00  154.90  -56.75   99.32
   22.00  -71.07  169.90  -55.90  108.43
   23.00  -70.05  184.90  -54.40  117.32
</PRE>


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