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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>
18 Mar 1997 22:23:14 yearsecs   6646994
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.39   97.71  -60.70   56.15
    1.00  -66.41  112.71  -57.61   67.57
    2.00  -67.15  127.71  -55.83   78.94
    3.00  -67.88  142.71  -54.71   89.53
    4.00  -67.43  157.71  -52.93   99.09
    5.00  -68.00  172.71  -52.68  109.13
    6.00  -67.84  187.71  -52.16  118.80
    7.00  -68.10  202.71  -52.64  128.41
    8.00  -69.10  217.71  -54.41  137.71
    9.00  -69.50  232.71  -56.09  146.99
   10.00  -69.32  247.71  -57.66  156.68
   11.00  -69.08  262.71  -59.60  166.67
   12.00  -69.09  277.71  -62.13  176.66
   13.00  -69.33  292.71  -65.29  186.53
   14.00  -69.79  307.71  -69.04  196.31
   15.00  -70.49  322.71  -73.25  206.27
   16.00  -71.15  337.71  -77.54  217.85
   17.00  -71.28  352.71  -81.41  236.45
   18.00  -71.43    7.71  -84.65  271.73
   19.00  -70.80   22.71  -84.03  330.36
   20.00  -69.98   37.71  -80.04    3.94
   21.00  -69.19   52.71  -75.17   21.97
   22.00  -68.55   67.71  -70.37   35.28
   23.00  -67.62   82.71  -65.51   46.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.44   97.71  -66.54   66.64
    1.00  -73.52  112.71  -64.55   77.49
    2.00  -74.26  127.71  -62.89   86.85
    3.00  -79.30  142.71  -65.97  100.77
    4.00  -81.04  157.71  -66.55  108.90
    5.00  -81.42  172.71  -66.27  114.97
    6.00  -80.82  187.71  -65.36  120.62
    7.00  -79.92  202.71  -64.51  126.89
    8.00  -80.01  217.71  -65.07  133.26
    9.00  -80.02  232.71  -65.96  139.56
   10.00  -79.83  247.71  -67.03  146.00
   11.00  -79.85  262.71  -68.65  151.98
   12.00  -80.06  277.71  -70.71  157.12
   13.00  -79.87  292.71  -72.80  162.69
   14.00  -79.68  307.71  -75.18  167.67
   15.00  -79.50  322.71  -77.83  171.63
   16.00  -79.31  337.71  -80.67  173.54
   17.00  -79.11  352.71  -83.57  170.45
   18.00  -80.09    7.71  -85.04  142.65
   19.00  -80.33   22.71  -84.89  110.62
   20.00  -79.59   37.71  -83.52   83.84
   21.00  -77.90   52.71  -80.60   65.80
   22.00  -75.26   67.71  -75.86   57.06
   23.00  -73.64   82.71  -71.00   60.24
</PRE>


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