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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>
25 Apr 1997 16:26:01 yearsecs   9908761
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.38  187.42  -50.70  118.45
    1.00  -66.40  202.42  -50.95  128.35
    2.00  -67.14  217.42  -52.51  138.06
    3.00  -67.88  232.42  -54.56  147.59
    4.00  -67.42  247.42  -55.92  157.81
    5.00  -68.00  262.42  -58.60  167.50
    6.00  -67.84  277.42  -61.00  177.97
    7.00  -68.11  292.42  -64.20  188.18
    8.00  -69.13  307.42  -68.44  197.41
    9.00  -69.53  322.42  -72.45  208.47
   10.00  -69.35  337.42  -76.13  223.59
   11.00  -69.10  352.42  -79.57  245.18
   12.00  -69.10    7.42  -82.26  279.18
   13.00  -69.33   22.42  -82.47  326.05
   14.00  -69.79   37.42  -79.93    2.74
   15.00  -70.48   52.42  -76.47   25.89
   16.00  -71.14   67.42  -72.88   42.10
   17.00  -71.27   82.42  -69.08   53.87
   18.00  -71.42   97.42  -65.68   64.46
   19.00  -70.78  112.42  -62.02   73.09
   20.00  -69.96  127.42  -58.72   81.57
   21.00  -69.17  142.42  -56.04   90.31
   22.00  -68.53  157.42  -54.07   99.47
   23.00  -67.60  172.42  -52.29  108.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.62  187.42  -55.96  119.06
    1.00  -72.72  202.42  -57.21  127.81
    2.00  -73.47  217.42  -58.61  136.14
    3.00  -78.74  232.42  -64.73  140.64
    4.00  -80.55  247.42  -67.63  144.83
    5.00  -80.94  262.42  -69.45  149.74
    6.00  -80.28  277.42  -70.82  156.48
    7.00  -79.29  292.42  -72.44  164.36
    8.00  -79.35  307.42  -75.00  168.88
    9.00  -79.33  322.42  -77.74  172.39
   10.00  -79.10  337.42  -80.62  174.89
   11.00  -79.16  352.42  -83.50  170.22
   12.00  -79.42    7.42  -85.64  147.64
   13.00  -79.25   22.42  -85.98  105.70
   14.00  -79.07   37.42  -83.81   79.50
   15.00  -78.90   52.42  -80.72   72.63
   16.00  -78.73   67.42  -77.45   72.94
   17.00  -78.54   82.42  -74.26   76.13
   18.00  -79.59   97.42  -72.08   84.43
   19.00  -79.86  112.42  -69.95   90.16
   20.00  -79.10  127.42  -67.38   94.20
   21.00  -77.36  142.42  -64.15   98.16
   22.00  -74.62  157.42  -60.20  103.18
   23.00  -72.90  172.42  -57.63  110.62
</PRE>


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