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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>
11 Jul 1997 19:22:10 yearsecs  16572130
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.33  137.89  -52.62   84.42
    1.00  -64.67  152.89  -50.49   94.42
    2.00  -65.73  167.89  -50.61  105.19
    3.00  -66.79  182.89  -51.17  115.52
    4.00  -66.58  197.89  -51.00  125.36
    5.00  -67.45  212.89  -52.50  135.04
    6.00  -67.50  227.89  -53.75  144.79
    7.00  -67.40  242.89  -55.33  154.78
    8.00  -68.11  257.89  -58.01  164.34
    9.00  -67.90  272.89  -60.24  174.77
   10.00  -67.57  287.89  -62.80  185.70
   11.00  -67.32  302.89  -65.87  197.14
   12.00  -67.36  317.89  -69.56  209.29
   13.00  -67.61  332.89  -73.58  223.25
   14.00  -68.10  347.89  -77.66  241.09
   15.00  -68.80    2.89  -81.35  267.96
   16.00  -69.70   17.89  -83.26  312.05
   17.00  -70.52   32.89  -81.77  356.91
   18.00  -70.33   47.89  -77.61   20.10
   19.00  -69.79   62.89  -72.90   34.14
   20.00  -68.80   77.89  -67.92   44.66
   21.00  -67.84   92.89  -63.27   54.70
   22.00  -66.94  107.89  -59.09   64.69
   23.00  -66.12  122.89  -55.52   74.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.77  137.89  -58.16   88.84
    1.00  -71.80  152.89  -57.72   98.65
    2.00  -72.75  167.89  -57.69  107.96
    3.00  -77.15  182.89  -61.64  117.60
    4.00  -79.32  197.89  -63.82  124.86
    5.00  -79.64  212.89  -64.51  131.38
    6.00  -78.96  227.89  -64.62  138.42
    7.00  -78.33  242.89  -65.24  145.82
    8.00  -78.68  257.89  -67.14  152.03
    9.00  -78.40  272.89  -68.87  159.01
   10.00  -78.40  287.89  -71.16  165.18
   11.00  -78.26  302.89  -73.69  171.30
   12.00  -78.42  317.89  -76.62  175.61
   13.00  -78.17  332.89  -79.62  180.32
   14.00  -78.15  347.89  -82.82  180.90
   15.00  -77.87    2.89  -86.06  173.90
   16.00  -78.06   17.89  -87.51  115.15
   17.00  -77.78   32.89  -85.26   69.47
   18.00  -78.22   47.89  -81.74   68.02
   19.00  -77.89   62.89  -78.22   67.63
   20.00  -76.89   77.89  -74.35   68.30
   21.00  -74.97   92.89  -69.71   69.58
   22.00  -72.97  107.89  -64.94   73.79
   23.00  -71.47  122.89  -60.89   80.51
</PRE>


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