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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>
30 Jul 1997 22:14:46 yearsecs  18224086
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.14   95.72  -58.75   51.26
    1.00  -65.32  110.72  -56.85   64.78
    2.00  -66.09  125.72  -55.04   76.56
    3.00  -67.83  140.72  -54.86   88.18
    4.00  -67.39  155.72  -53.04   97.75
    5.00  -67.99  170.72  -52.75  107.84
    6.00  -67.86  185.72  -52.20  117.52
    7.00  -68.16  200.72  -52.63  127.13
    8.00  -69.21  215.72  -54.37  136.43
    9.00  -69.46  230.72  -55.86  145.75
   10.00  -69.31  245.72  -57.41  155.39
   11.00  -69.06  260.72  -59.27  165.37
   12.00  -69.05  275.72  -61.74  175.37
   13.00  -69.27  290.72  -64.82  185.25
   14.00  -69.72  305.72  -68.52  195.00
   15.00  -70.41  320.72  -72.69  204.86
   16.00  -71.06  335.72  -76.97  216.16
   17.00  -71.19  350.72  -80.85  233.78
   18.00  -71.33    5.72  -84.24  265.69
   19.00  -70.68   20.72  -84.15  323.11
   20.00  -69.86   35.72  -80.43  359.89
   21.00  -69.07   50.72  -75.60   19.27
   22.00  -67.67   65.72  -70.01   31.34
   23.00  -65.67   80.72  -63.95   40.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.14   95.72  -63.91   59.09
    1.00  -70.32  110.72  -61.89   71.32
    2.00  -71.09  125.72  -60.10   81.77
    3.00  -77.06  140.72  -64.03   97.00
    4.00  -79.10  155.72  -64.76  106.08
    5.00  -79.49  170.72  -64.37  112.92
    6.00  -78.66  185.72  -63.15  119.30
    7.00  -77.44  200.72  -61.93  126.36
    8.00  -77.42  215.72  -62.41  133.66
    9.00  -77.33  230.72  -63.26  141.01
   10.00  -77.24  245.72  -64.54  148.38
   11.00  -77.39  260.72  -66.42  155.34
   12.00  -77.76  275.72  -68.80  161.56
   13.00  -77.62  290.72  -71.14  168.39
   14.00  -77.48  305.72  -73.82  174.98
   15.00  -77.34  320.72  -76.80  181.20
   16.00  -77.19  335.72  -80.04  186.78
   17.00  -77.03  350.72  -83.49  190.72
   18.00  -78.25    5.72  -86.35  163.29
   19.00  -78.60   20.72  -86.77  106.46
   20.00  -77.78   35.72  -84.61   67.41
   21.00  -75.82   50.72  -80.57   51.22
   22.00  -72.67   65.72  -74.61   45.78
   23.00  -70.67   80.72  -68.97   51.18
</PRE>


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