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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>
13 Mar 1997 23:27:19 yearsecs   6218839
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.34   82.63  -64.20   43.73
    1.00  -66.28   97.63  -60.60   55.92
    2.00  -67.05  112.63  -58.27   68.28
    3.00  -67.80  127.63  -56.51   79.50
    4.00  -67.36  142.63  -54.17   89.10
    5.00  -67.95  157.63  -53.47   99.30
    6.00  -67.79  172.63  -52.47  109.02
    7.00  -68.00  187.63  -52.32  118.77
    8.00  -68.95  202.63  -53.47  128.29
    9.00  -69.21  217.63  -54.50  137.63
   10.00  -69.04  232.63  -55.65  147.17
   11.00  -68.85  247.63  -57.23  156.97
   12.00  -68.88  262.63  -59.41  166.81
   13.00  -69.14  277.63  -62.16  176.55
   14.00  -69.62  292.63  -65.52  186.01
   15.00  -70.33  307.63  -69.45  195.16
   16.00  -71.02  322.63  -73.62  204.74
   17.00  -71.23  337.63  -77.58  217.47
   18.00  -71.36  352.63  -81.45  235.94
   19.00  -70.74    7.63  -83.95  274.60
   20.00  -69.91   22.63  -83.08  327.82
   21.00  -69.11   37.63  -79.19    0.75
   22.00  -68.45   52.63  -74.44   19.72
   23.00  -67.53   67.63  -69.34   32.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.15   82.63  -69.80   56.21
    1.00  -73.23   97.63  -67.25   68.22
    2.00  -73.98  112.63  -65.00   78.24
    3.00  -79.00  127.63  -67.26   94.10
    4.00  -80.79  142.63  -67.37  102.90
    5.00  -81.17  157.63  -66.68  109.01
    6.00  -80.55  172.63  -65.38  114.38
    7.00  -79.65  187.63  -64.15  120.36
    8.00  -79.75  202.63  -64.33  126.89
    9.00  -79.72  217.63  -64.78  133.39
   10.00  -79.55  232.63  -65.51  139.99
   11.00  -79.57  247.63  -66.80  146.33
   12.00  -79.79  262.63  -68.59  152.08
   13.00  -79.60  277.63  -70.39  158.23
   14.00  -79.43  292.63  -72.54  164.02
   15.00  -79.24  307.63  -75.00  169.36
   16.00  -79.09  322.63  -77.73  173.61
   17.00  -78.89  337.63  -80.66  176.28
   18.00  -79.83  352.63  -83.26  164.31
   19.00  -80.03    7.63  -85.09  143.15
   20.00  -79.26   22.63  -85.95  105.25
   21.00  -77.55   37.63  -84.20   63.88
   22.00  -74.96   52.63  -79.66   46.92
   23.00  -73.32   67.63  -74.58   49.49
</PRE>


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