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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>
18 Jun 1997 13:56:17 yearsecs  14565377
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.08  229.73  -49.80  147.71
    1.00  -64.36  244.73  -52.79  157.79
    2.00  -65.23  259.73  -55.73  167.93
    3.00  -68.04  274.73  -60.69  175.88
    4.00  -67.76  289.73  -63.33  186.76
    5.00  -68.52  304.73  -67.31  196.52
    6.00  -68.60  319.73  -71.04  208.33
    7.00  -69.15  334.73  -75.29  221.22
    8.00  -70.01  349.73  -79.70  237.39
    9.00  -70.18    4.73  -82.98  268.06
   10.00  -69.75   19.73  -83.20  318.23
   11.00  -69.35   34.73  -80.16  356.23
   12.00  -69.21   49.73  -76.02   18.55
   13.00  -69.32   64.73  -71.94   34.54
   14.00  -69.68   79.73  -68.30   48.10
   15.00  -70.28   94.73  -65.23   60.47
   16.00  -70.87  109.73  -62.62   71.51
   17.00  -70.94  124.73  -60.09   80.99
   18.00  -71.03  139.73  -58.21   90.19
   19.00  -70.32  154.73  -56.08   98.80
   20.00  -69.47  169.73  -54.29  107.72
   21.00  -68.73  184.73  -53.09  117.02
   22.00  -66.72  199.73  -51.18  126.57
   23.00  -64.65  214.73  -49.93  136.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.08  229.73  -54.47  145.75
    1.00  -69.36  244.73  -57.33  154.73
    2.00  -70.23  259.73  -60.15  163.61
    3.00  -76.52  274.73  -67.72  163.54
    4.00  -78.69  289.73  -71.64  165.13
    5.00  -79.15  304.73  -74.45  168.84
    6.00  -78.39  319.73  -76.97  176.23
    7.00  -77.55  334.73  -79.90  184.37
    8.00  -77.33  349.73  -83.27  187.90
    9.00  -77.30    4.73  -86.70  179.69
   10.00  -77.03   19.73  -88.37   91.34
   11.00  -77.11   34.73  -84.97   59.88
   12.00  -77.42   49.73  -81.25   62.08
   13.00  -77.23   64.73  -77.56   64.73
   14.00  -77.04   79.73  -74.02   69.58
   15.00  -76.85   94.73  -70.74   75.43
   16.00  -76.66  109.73  -67.83   81.81
   17.00  -76.45  124.73  -65.35   88.52
   18.00  -77.71  139.73  -64.75   97.36
   19.00  -78.04  154.73  -63.79  104.62
   20.00  -77.13  169.73  -62.02  111.11
   21.00  -75.02  184.73  -59.43  118.07
   22.00  -71.72  199.73  -56.14  126.33
   23.00  -69.65  214.73  -54.73  135.71
</PRE>


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