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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>
28 May 1997 14:50:39 yearsecs  12754239
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.00  215.77  -47.47  138.08
    1.00  -62.56  230.77  -49.43  148.64
    2.00  -63.14  245.77  -51.81  159.20
    3.00  -63.71  260.77  -54.52  169.82
    4.00  -63.22  275.77  -56.61  181.50
    5.00  -64.44  290.77  -60.64  191.78
    6.00  -65.02  305.77  -64.54  202.96
    7.00  -65.17  320.77  -68.40  215.93
    8.00  -65.49  335.77  -72.46  231.21
    9.00  -65.01  350.77  -75.46  253.16
   10.00  -64.65    5.77  -77.43  282.93
   11.00  -64.49   20.77  -77.17  317.86
   12.00  -64.55   35.77  -74.54  347.56
   13.00  -64.83   50.77  -70.94    9.28
   14.00  -65.33   65.77  -67.43   26.47
   15.00  -66.06   80.77  -64.36   41.62
   16.00  -67.01   95.77  -61.77   55.58
   17.00  -68.20  110.77  -59.79   68.42
   18.00  -68.20  125.77  -57.19   78.65
   19.00  -67.54  140.77  -54.56   88.00
   20.00  -66.11  155.77  -51.74   97.13
   21.00  -64.99  170.77  -49.73  106.92
   22.00  -63.69  185.77  -48.02  117.01
   23.00  -62.50  200.77  -47.07  127.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.77  215.77  -60.77  134.38
    1.00  -76.64  230.77  -62.61  141.56
    2.00  -77.48  245.77  -64.76  148.13
    3.00  -78.30  260.77  -67.18  153.92
    4.00  -80.27  275.77  -70.59  155.94
    5.00  -81.14  290.77  -73.15  158.08
    6.00  -80.93  305.77  -75.29  162.29
    7.00  -80.61  320.77  -77.66  165.85
    8.00  -81.28  335.77  -80.05  161.38
    9.00  -81.14  350.77  -82.29  155.94
   10.00  -80.97    5.77  -84.06  141.29
   11.00  -80.68   20.77  -84.64  115.44
   12.00  -80.29   35.77  -83.44   91.29
   13.00  -80.08   50.77  -80.93   80.95
   14.00  -80.03   65.77  -78.05   79.42
   15.00  -79.60   80.77  -75.06   79.80
   16.00  -79.41   95.77  -72.24   83.33
   17.00  -78.35  110.77  -69.04   85.98
   18.00  -78.04  125.77  -66.64   91.62
   19.00  -78.52  140.77  -65.41   98.89
   20.00  -78.05  155.77  -63.73  105.11
   21.00  -76.64  170.77  -61.48  111.36
   22.00  -76.24  185.77  -60.67  118.84
   23.00  -75.63  200.77  -60.10  126.59
</PRE>


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