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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 Sep 1997 20:17:16 yearsecs  21932236
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.76  124.84  -51.71   72.95
    1.00  -63.25  139.84  -50.24   84.37
    2.00  -63.81  154.84  -49.46   95.36
    3.00  -64.36  169.84  -49.13  106.09
    4.00  -64.07  184.84  -48.42  116.42
    5.00  -65.38  199.84  -49.87  126.68
    6.00  -65.73  214.84  -50.98  136.68
    7.00  -65.61  229.84  -52.18  146.84
    8.00  -66.31  244.84  -54.59  156.75
    9.00  -65.69  259.84  -56.15  167.66
   10.00  -65.31  274.84  -58.32  178.83
   11.00  -65.08  289.84  -61.02  190.30
   12.00  -65.12  304.84  -64.41  202.06
   13.00  -65.37  319.84  -68.35  214.70
   14.00  -65.86  334.84  -72.56  229.37
   15.00  -66.56  349.84  -76.73  248.25
   16.00  -67.50    4.84  -80.31  276.11
   17.00  -68.64   19.84  -81.96  317.51
   18.00  -68.67   34.84  -79.42  354.31
   19.00  -67.98   49.84  -74.73   15.11
   20.00  -66.66   64.84  -69.17   28.25
   21.00  -65.56   79.84  -64.05   39.93
   22.00  -64.39   94.84  -59.21   50.88
   23.00  -63.21  109.84  -54.81   61.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.62  124.84  -63.64   85.82
    1.00  -75.69  139.84  -62.80   94.95
    2.00  -76.61  154.84  -62.36  103.39
    3.00  -77.65  169.84  -62.54  111.44
    4.00  -79.93  184.84  -64.47  119.22
    5.00  -80.81  199.84  -65.37  125.54
    6.00  -80.38  214.84  -65.33  131.85
    7.00  -79.95  229.84  -65.70  138.42
    8.00  -80.81  244.84  -67.63  143.46
    9.00  -80.67  259.84  -68.97  149.33
   10.00  -80.84  274.84  -70.85  154.20
   11.00  -80.83  289.84  -72.87  158.83
   12.00  -80.70  304.84  -75.07  163.02
   13.00  -80.43  319.84  -77.48  166.66
   14.00  -80.42  334.84  -80.05  166.78
   15.00  -79.98  349.84  -82.73  164.97
   16.00  -79.75    4.84  -85.07  150.27
   17.00  -78.42   19.84  -87.02  108.48
   18.00  -78.13   34.84  -84.71   72.01
   19.00  -78.60   49.84  -81.29   70.73
   20.00  -78.02   64.84  -77.81   68.79
   21.00  -76.30   79.84  -73.56   67.03
   22.00  -75.55   94.84  -69.76   72.07
   23.00  -74.81  109.84  -66.23   78.20
</PRE>


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