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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>
10 Jan 1997 17:25:25 yearsecs    840325
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.14  172.54  -42.71  106.37
    1.00  -58.66  187.54  -42.99  117.73
    2.00  -59.16  202.54  -43.87  128.84
    3.00  -59.67  217.54  -45.37  139.83
    4.00  -59.44  232.54  -46.65  151.06
    5.00  -60.33  247.54  -49.42  161.98
    6.00  -61.90  262.54  -53.16  172.44
    7.00  -63.10  277.54  -56.83  182.96
    8.00  -63.15  292.54  -59.86  194.66
    9.00  -62.51  307.54  -62.70  207.88
   10.00  -62.12  322.54  -66.08  222.42
   11.00  -61.90  337.54  -69.55  239.60
   12.00  -61.94  352.54  -72.77  261.17
   13.00  -62.20    7.54  -74.92  289.25
   14.00  -62.68   22.54  -74.85  321.13
   15.00  -63.39   37.54  -72.72  348.85
   16.00  -64.32   52.54  -69.85   10.46
   17.00  -65.47   67.54  -67.13   28.47
   18.00  -65.59   82.54  -63.41   42.32
   19.00  -64.54   97.54  -58.78   53.33
   20.00  -62.91  112.54  -53.97   63.51
   21.00  -61.75  127.54  -50.24   74.17
   22.00  -60.03  142.54  -46.61   84.42
   23.00  -58.92  157.54  -44.23   95.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.20  172.54  -55.91  110.07
    1.00  -71.99  187.54  -56.33  119.17
    2.00  -72.86  202.54  -57.35  127.86
    3.00  -73.42  217.54  -58.57  136.22
    4.00  -74.68  232.54  -60.90  143.87
    5.00  -75.88  247.54  -63.52  150.78
    6.00  -76.06  262.54  -65.55  158.25
    7.00  -75.27  277.54  -67.20  167.25
    8.00  -75.51  292.54  -70.05  174.48
    9.00  -75.73  307.54  -73.20  181.38
   10.00  -75.36  322.54  -76.31  190.18
   11.00  -75.02  337.54  -79.75  200.06
   12.00  -74.78  352.54  -83.47  212.29
   13.00  -74.66    7.54  -87.31  237.20
   14.00  -74.61   22.54  -87.74    2.53
   15.00  -74.29   37.54  -83.53   29.92
   16.00  -74.44   52.54  -79.42   43.94
   17.00  -74.08   67.54  -75.15   52.26
   18.00  -73.79   82.54  -71.16   60.55
   19.00  -73.43   97.54  -67.45   68.61
   20.00  -73.02  112.54  -64.12   76.58
   21.00  -71.93  127.54  -60.66   83.85
   22.00  -71.93  142.54  -58.81   92.66
   23.00  -70.94  157.54  -56.49  100.88
</PRE>


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