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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>
21 Mar 1997 01:23:08 yearsecs   6830588
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.65   52.90  -70.15   11.48
    1.00  -64.90   67.90  -66.38   27.75
    2.00  -65.96   82.90  -63.73   43.29
    3.00  -67.05   97.90  -61.32   57.29
    4.00  -66.96  112.90  -58.13   68.36
    5.00  -68.02  127.90  -56.69   79.89
    6.00  -68.46  142.90  -55.28   90.08
    7.00  -69.51  157.90  -55.03  100.30
    8.00  -71.00  172.90  -55.69  110.22
    9.00  -70.42  187.90  -54.75  119.21
   10.00  -69.55  202.90  -54.07  128.41
   11.00  -68.83  217.90  -54.16  137.91
   12.00  -68.44  232.90  -55.13  147.64
   13.00  -68.36  247.90  -56.84  157.48
   14.00  -68.59  262.90  -59.20  167.26
   15.00  -69.12  277.90  -62.19  176.75
   16.00  -69.66  292.90  -65.60  186.14
   17.00  -69.65  307.90  -68.97  196.74
   18.00  -69.69  322.90  -72.69  208.50
   19.00  -68.87  337.90  -75.87  225.55
   20.00  -67.91  352.90  -78.62  249.84
   21.00  -67.17    7.90  -80.29  284.42
   22.00  -66.61   22.90  -79.36  324.00
   23.00  -65.77   37.90  -75.46  353.05
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.08   52.90  -76.87   28.60
    1.00  -72.34   67.90  -73.75   46.26
    2.00  -73.23   82.90  -70.63   59.23
    3.00  -78.67   97.90  -71.41   81.85
    4.00  -80.59  112.90  -70.41   92.14
    5.00  -80.84  127.90  -68.81   97.70
    6.00  -80.40  142.90  -66.98  102.40
    7.00  -79.35  157.90  -64.87  107.26
    8.00  -79.33  172.90  -64.14  113.79
    9.00  -79.26  187.90  -63.74  120.41
   10.00  -78.95  202.90  -63.52  127.15
   11.00  -78.94  217.90  -64.03  133.94
   12.00  -79.13  232.90  -65.13  140.50
   13.00  -78.88  247.90  -66.22  147.38
   14.00  -78.64  262.90  -67.71  154.28
   15.00  -78.40  277.90  -69.59  161.13
   16.00  -78.15  292.90  -71.85  167.84
   17.00  -77.90  307.90  -74.45  174.35
   18.00  -79.01  322.90  -77.77  174.05
   19.00  -79.32  337.90  -80.70  173.42
   20.00  -78.56  352.90  -83.79  175.39
   21.00  -76.78    7.90  -87.62  184.09
   22.00  -73.98   22.90  -87.17  353.13
   23.00  -72.29   37.90  -82.07   15.53
</PRE>


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