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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>
22 Sep 1997 23:06:36 yearsecs  22892796
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.89   82.98  -62.54   41.53
    1.00  -65.13   97.98  -59.31   54.52
    2.00  -66.15  112.98  -57.28   67.46
    3.00  -67.19  127.98  -55.83   79.15
    4.00  -67.04  142.98  -53.82   89.11
    5.00  -68.01  157.98  -53.51   99.56
    6.00  -68.32  172.98  -52.99  109.41
    7.00  -69.15  187.98  -53.47  119.12
    8.00  -70.81  202.98  -55.32  128.34
    9.00  -72.08  217.98  -57.29  136.95
   10.00  -71.91  232.98  -58.35  145.86
   11.00  -70.78  247.98  -59.01  155.73
   12.00  -70.09  262.98  -60.51  165.84
   13.00  -69.77  277.98  -62.76  175.98
   14.00  -69.80  292.98  -65.74  185.97
   15.00  -70.15  307.98  -69.39  195.78
   16.00  -70.55  322.98  -73.37  206.32
   17.00  -70.46  337.98  -77.11  220.62
   18.00  -70.42  352.98  -80.80  240.98
   19.00  -69.57    7.98  -82.81  279.58
   20.00  -68.54   22.98  -81.52  326.39
   21.00  -67.55   37.98  -77.44  356.94
   22.00  -66.85   52.98  -72.65   16.10
   23.00  -66.01   67.98  -67.61   29.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.60   82.98  -68.34   52.69
    1.00  -71.85   97.98  -65.95   65.64
    2.00  -72.72  112.98  -63.77   76.36
    3.00  -78.29  127.98  -66.59   93.02
    4.00  -80.24  142.98  -66.82  102.20
    5.00  -80.69  157.98  -66.19  108.64
    6.00  -80.09  172.98  -64.90  114.25
    7.00  -79.16  187.98  -63.64  120.43
    8.00  -79.31  202.98  -63.89  127.13
    9.00  -79.34  217.98  -64.42  133.76
   10.00  -79.16  232.98  -65.16  140.51
   11.00  -79.13  247.98  -66.44  147.09
   12.00  -79.30  262.98  -68.25  153.13
   13.00  -79.04  277.98  -70.06  159.69
   14.00  -78.79  292.98  -72.24  166.06
   15.00  -78.54  307.98  -74.76  172.10
   16.00  -78.29  322.98  -77.60  177.57
   17.00  -78.03  337.98  -80.69  181.93
   18.00  -79.07  352.98  -83.64  170.62
   19.00  -79.30    7.98  -85.79  147.21
   20.00  -78.46   22.98  -86.67   97.58
   21.00  -76.55   37.98  -84.14   53.00
   22.00  -73.63   52.98  -78.80   39.98
   23.00  -71.88   67.98  -73.36   44.84
</PRE>


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