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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>
08 Aug 1997 20:28:38 yearsecs  18995318
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.80  122.10  -55.32   73.71
    1.00  -65.45  137.10  -52.83   83.95
    2.00  -66.45  152.10  -52.37   94.83
    3.00  -67.45  167.10  -52.38  105.28
    4.00  -67.19  182.10  -51.58  115.06
    5.00  -67.96  197.10  -52.35  124.83
    6.00  -67.88  212.10  -52.87  134.44
    7.00  -67.63  227.10  -53.79  144.22
    8.00  -68.61  242.10  -56.32  153.51
    9.00  -69.16  257.10  -58.82  162.90
   10.00  -68.96  272.10  -61.03  173.04
   11.00  -68.61  287.10  -63.53  183.71
   12.00  -68.53  302.10  -66.70  194.54
   13.00  -68.69  317.10  -70.45  205.91
   14.00  -69.08  332.10  -74.56  218.66
   15.00  -69.71  347.10  -78.82  234.62
   16.00  -70.50    2.10  -82.83  259.64
   17.00  -71.18   17.10  -84.94  309.80
   18.00  -71.00   32.10  -82.43  357.40
   19.00  -70.44   47.10  -77.93   19.53
   20.00  -69.45   62.10  -72.79   32.42
   21.00  -68.47   77.10  -67.80   43.27
   22.00  -67.61   92.10  -63.23   53.70
   23.00  -66.56  107.10  -58.86   63.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.80  122.10  -60.37   79.20
    1.00  -71.87  137.10  -59.35   89.41
    2.00  -72.83  152.10  -58.81   98.92
    3.00  -77.36  167.10  -62.38  109.95
    4.00  -79.51  182.10  -64.07  117.90
    5.00  -79.87  197.10  -64.37  124.48
    6.00  -79.23  212.10  -64.07  131.20
    7.00  -78.85  227.10  -64.46  138.15
    8.00  -78.94  242.10  -65.72  144.75
    9.00  -78.69  257.10  -67.05  151.68
   10.00  -78.77  272.10  -69.03  157.91
   11.00  -78.63  287.10  -71.18  164.27
   12.00  -78.72  302.10  -73.77  169.50
   13.00  -78.45  317.10  -76.47  175.24
   14.00  -78.37  332.10  -79.49  179.06
   15.00  -78.08  347.10  -82.66  181.66
   16.00  -78.19    2.10  -85.75  170.85
   17.00  -77.90   17.10  -87.71  118.86
   18.00  -78.40   32.10  -85.17   77.89
   19.00  -78.13   47.10  -81.93   67.39
   20.00  -77.15   62.10  -78.16   63.45
   21.00  -75.23   77.10  -73.51   61.95
   22.00  -73.11   92.10  -68.37   64.63
   23.00  -71.56  107.10  -63.79   70.92
</PRE>


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