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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 Oct 1997 13:10:16 yearsecs  24239416
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.16  230.69  -49.98  148.36
    1.00  -63.47  245.69  -52.10  158.97
    2.00  -64.14  260.69  -54.90  169.45
    3.00  -64.81  275.69  -58.02  179.95
    4.00  -64.55  290.69  -60.72  191.59
    5.00  -65.78  305.69  -65.19  201.77
    6.00  -66.08  320.69  -69.18  214.24
    7.00  -65.95  335.69  -72.85  230.18
    8.00  -66.57  350.69  -76.91  249.64
    9.00  -66.08    5.69  -78.93  280.75
   10.00  -65.66   20.69  -78.52  318.08
   11.00  -65.47   35.69  -75.65  348.85
   12.00  -65.51   50.69  -71.76   10.48
   13.00  -65.76   65.69  -67.95   27.24
   14.00  -66.25   80.69  -64.58   41.90
   15.00  -66.95   95.69  -61.73   55.43
   16.00  -67.88  110.69  -59.49   67.95
   17.00  -68.63  125.69  -57.64   79.05
   18.00  -68.57  140.69  -55.62   88.74
   19.00  -68.30  155.69  -53.97   98.23
   20.00  -67.04  170.69  -51.80  107.51
   21.00  -65.97  185.69  -50.30  117.25
   22.00  -64.72  200.69  -49.25  127.28
   23.00  -63.53  215.69  -48.93  137.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.16  230.69  -54.65  146.34
    1.00  -69.40  245.69  -57.48  155.32
    2.00  -70.46  260.69  -60.49  164.00
    3.00  -72.43  275.69  -64.59  170.85
    4.00  -75.45  290.69  -69.66  173.68
    5.00  -76.37  305.69  -73.20  178.52
    6.00  -75.48  320.69  -75.95  188.77
    7.00  -74.98  335.69  -79.27  199.18
    8.00  -75.68  350.69  -83.28  203.08
    9.00  -75.45    5.69  -87.15  216.68
   10.00  -75.72   20.69  -88.74   32.87
   11.00  -75.59   35.69  -84.58   41.50
   12.00  -75.37   50.69  -80.39   48.30
   13.00  -75.24   65.69  -76.36   55.87
   14.00  -75.47   80.69  -72.82   64.62
   15.00  -75.09   95.69  -69.21   71.35
   16.00  -75.07  110.69  -66.31   79.14
   17.00  -73.63  125.69  -62.57   84.91
   18.00  -73.57  140.69  -60.63   93.14
   19.00  -74.20  155.69  -59.90  101.94
   20.00  -73.38  170.69  -58.19  109.83
   21.00  -71.00  185.69  -55.35  117.95
   22.00  -69.72  200.69  -54.18  127.03
   23.00  -68.53  215.69  -53.72  136.59
</PRE>


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