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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>
09 Feb 1997 19:50:28 yearsecs   3441028
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.73  139.10  -43.47   79.93
    1.00  -57.10  154.10  -42.58   91.88
    2.00  -57.46  169.10  -42.13  103.58
    3.00  -57.82  184.10  -42.15  115.06
    4.00  -58.18  199.10  -42.76  126.33
    5.00  -58.96  214.10  -44.40  137.42
    6.00  -60.93  229.10  -47.69  148.00
    7.00  -62.57  244.10  -51.05  158.29
    8.00  -62.25  259.10  -52.94  169.59
    9.00  -61.61  274.10  -54.87  181.59
   10.00  -61.23  289.10  -57.39  193.91
   11.00  -61.01  304.10  -60.49  206.72
   12.00  -61.05  319.10  -64.20  220.45
   13.00  -61.31  334.10  -68.16  236.26
   14.00  -61.79  349.10  -71.97  255.89
   15.00  -62.50    4.10  -74.99  281.86
   16.00  -63.43   19.10  -76.10  313.98
   17.00  -64.58   34.10  -74.97  344.78
   18.00  -64.82   49.10  -71.39    7.22
   19.00  -63.43   64.10  -65.65   21.43
   20.00  -61.76   79.10  -59.83   33.19
   21.00  -60.56   94.10  -55.05   45.15
   22.00  -58.72  109.10  -50.00   56.37
   23.00  -57.63  124.10  -46.33   68.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.26  139.10  -55.49   87.47
    1.00  -69.24  154.10  -55.04   97.75
    2.00  -70.17  169.10  -55.02  107.60
    3.00  -70.61  184.10  -54.99  116.92
    4.00  -71.38  199.10  -55.79  125.98
    5.00  -72.78  214.10  -57.74  134.48
    6.00  -73.05  229.10  -59.07  142.95
    7.00  -71.80  244.10  -59.46  152.56
    8.00  -71.69  259.10  -61.33  161.74
    9.00  -72.00  274.10  -63.96  170.51
   10.00  -71.28  289.10  -66.15  180.94
   11.00  -70.96  304.10  -69.12  191.38
   12.00  -70.85  319.10  -72.62  202.44
   13.00  -70.77  334.10  -76.35  215.57
   14.00  -70.91  349.10  -80.25  232.67
   15.00  -70.82    4.10  -83.48  263.52
   16.00  -71.33   19.10  -85.00  318.25
   17.00  -71.68   34.10  -82.56    5.17
   18.00  -71.30   49.10  -78.13   25.36
   19.00  -70.27   64.10  -73.01   36.63
   20.00  -69.95   79.10  -68.71   48.23
   21.00  -69.11   94.10  -64.25   57.86
   22.00  -69.30  109.10  -61.21   68.77
   23.00  -68.21  124.10  -57.46   77.55
</PRE>


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