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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>
14 Jul 1997 13:44:00 yearsecs  16811040
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.14  233.15  -53.03  148.86
    1.00  -66.44  248.15  -55.14  158.94
    2.00  -67.18  263.15  -57.99  168.73
    3.00  -67.91  278.15  -61.19  178.40
    4.00  -67.45  293.15  -63.79  189.67
    5.00  -68.02  308.15  -67.70  200.02
    6.00  -67.85  323.15  -71.30  212.98
    7.00  -68.30  338.15  -75.46  227.46
    8.00  -69.09  353.15  -79.72  246.51
    9.00  -69.43    8.15  -82.67  280.46
   10.00  -69.22   23.15  -82.25  327.98
   11.00  -69.02   38.15  -78.96    1.34
   12.00  -69.04   53.15  -74.90   22.02
   13.00  -69.30   68.15  -70.98   37.55
   14.00  -69.77   83.15  -67.52   50.96
   15.00  -70.48   98.15  -64.64   63.19
   16.00  -71.15  113.15  -62.24   74.08
   17.00  -71.29  128.15  -59.93   83.47
   18.00  -71.44  143.15  -58.25   92.60
   19.00  -70.81  158.15  -56.32  101.18
   20.00  -70.00  173.15  -54.67  110.04
   21.00  -69.22  188.15  -53.54  119.23
   22.00  -68.58  203.15  -53.13  128.65
   23.00  -67.48  218.15  -52.90  138.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.14  233.15  -57.66  146.39
    1.00  -72.25  248.15  -60.34  154.62
    2.00  -72.99  263.15  -63.05  162.68
    3.00  -78.39  278.15  -69.63  161.24
    4.00  -80.25  293.15  -73.06  161.64
    5.00  -80.62  308.15  -75.57  164.01
    6.00  -79.92  323.15  -77.98  169.56
    7.00  -79.07  338.15  -80.76  175.08
    8.00  -79.01  353.15  -83.69  171.08
    9.00  -79.05    8.15  -86.04  148.86
   10.00  -78.85   23.15  -86.29  100.74
   11.00  -78.93   38.15  -83.73   77.63
   12.00  -79.21   53.15  -80.56   74.64
   13.00  -79.04   68.15  -77.38   74.64
   14.00  -78.87   83.15  -74.28   77.60
   15.00  -78.71   98.15  -71.39   82.04
   16.00  -78.54  113.15  -68.82   87.35
   17.00  -78.36  128.15  -66.63   93.20
   18.00  -79.43  143.15  -66.05  101.14
   19.00  -79.70  158.15  -65.21  107.71
   20.00  -78.91  173.15  -63.69  113.67
   21.00  -77.10  188.15  -61.52  120.18
   22.00  -74.26  203.15  -58.77  128.03
   23.00  -72.48  218.15  -57.70  136.90
</PRE>


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