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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>
20 Feb 1997 12:31:09 yearsecs   4365069
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.03  245.10  -49.75  159.79
    1.00  -62.32  260.10  -53.15  170.30
    2.00  -63.15  275.10  -56.44  181.04
    3.00  -67.43  290.10  -63.13  187.47
    4.00  -67.25  305.10  -66.32  198.97
    5.00  -68.17  320.10  -70.79  209.56
    6.00  -68.48  335.10  -74.84  223.48
    7.00  -69.40  350.10  -79.29  240.28
    8.00  -69.71    5.10  -82.57  270.80
    9.00  -69.60   20.10  -83.00  319.24
   10.00  -69.05   35.10  -79.76  355.95
   11.00  -68.58   50.10  -75.28   17.10
   12.00  -68.39   65.10  -70.92   32.48
   13.00  -68.48   80.10  -67.04   45.77
   14.00  -68.83   95.10  -63.75   58.09
   15.00  -69.45  110.10  -61.17   69.66
   16.00  -70.06  125.10  -59.16   80.21
   17.00  -70.12  140.10  -57.25   89.62
   18.00  -70.21  155.10  -55.95   98.96
   19.00  -69.47  170.10  -54.28  107.95
   20.00  -68.67  185.10  -53.02  117.24
   21.00  -67.92  200.10  -52.38  126.75
   22.00  -65.18  215.10  -50.47  136.96
   23.00  -62.84  230.10  -49.62  148.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.03  245.10  -54.36  157.09
    1.00  -67.32  260.10  -57.64  166.51
    2.00  -68.15  275.10  -60.85  176.00
    3.00  -75.00  290.10  -69.22  174.37
    4.00  -77.31  305.10  -73.61  175.29
    5.00  -77.30  320.10  -76.66  181.12
    6.00  -76.85  335.10  -79.81  188.57
    7.00  -75.70  350.10  -83.14  202.64
    8.00  -75.93    5.10  -87.06  206.22
    9.00  -76.05   20.10  -88.89   50.98
   10.00  -75.86   35.10  -84.81   44.36
   11.00  -76.03   50.10  -80.81   52.36
   12.00  -76.44   65.10  -77.14   61.02
   13.00  -76.28   80.10  -73.49   67.07
   14.00  -76.12   95.10  -70.14   73.66
   15.00  -75.96  110.10  -67.19   80.56
   16.00  -75.80  125.10  -64.70   87.68
   17.00  -75.62  140.10  -62.70   94.99
   18.00  -76.91  155.10  -62.65  103.78
   19.00  -77.18  170.10  -62.05  111.31
   20.00  -76.14  185.10  -60.57  118.48
   21.00  -73.81  200.10  -58.25  126.39
   22.00  -70.18  215.10  -55.27  135.79
   23.00  -67.84  230.10  -54.29  146.09
</PRE>


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