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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>
05 Sep 1997 18:09:30 yearsecs  21406170
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.84  157.40  -47.26   96.31
    1.00  -62.42  172.40  -47.06  107.34
    2.00  -63.00  187.40  -47.33  118.07
    3.00  -63.58  202.40  -48.20  128.51
    4.00  -63.08  217.40  -48.64  139.00
    5.00  -64.31  232.40  -51.24  149.12
    6.00  -64.89  247.40  -53.63  159.38
    7.00  -65.01  262.40  -55.94  170.03
    8.00  -65.65  277.40  -59.08  180.37
    9.00  -65.01  292.40  -61.50  192.35
   10.00  -64.60  307.40  -64.56  204.93
   11.00  -64.41  322.40  -68.14  218.79
   12.00  -64.44  337.40  -71.91  235.23
   13.00  -64.70  352.40  -75.49  256.50
   14.00  -65.18    7.40  -78.13  285.99
   15.00  -65.89   22.40  -78.60  322.27
   16.00  -66.83   37.40  -76.78  354.31
   17.00  -67.93   52.40  -73.96   18.05
   18.00  -67.56   67.40  -69.43   32.68
   19.00  -67.33   82.40  -65.29   45.37
   20.00  -65.98   97.40  -60.34   55.29
   21.00  -64.82  112.40  -56.01   65.49
   22.00  -63.52  127.40  -52.12   75.50
   23.00  -62.34  142.40  -49.03   85.65
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.43  157.40  -54.98   99.94
    1.00  -70.66  172.40  -55.37  109.80
    2.00  -71.81  187.40  -56.16  119.08
    3.00  -72.93  202.40  -57.42  127.77
    4.00  -75.70  217.40  -60.79  135.26
    5.00  -76.89  232.40  -62.98  142.18
    6.00  -76.47  247.40  -64.04  150.07
    7.00  -75.84  262.40  -65.35  158.49
    8.00  -76.75  277.40  -68.31  164.38
    9.00  -76.49  292.40  -70.70  172.04
   10.00  -76.42  307.40  -73.58  179.14
   11.00  -76.13  322.40  -76.66  186.99
   12.00  -75.69  337.40  -79.98  196.23
   13.00  -75.47  352.40  -83.67  205.95
   14.00  -75.47    7.40  -87.61  218.53
   15.00  -74.90   22.40  -87.96    8.91
   16.00  -74.64   37.40  -83.75   32.94
   17.00  -72.93   52.40  -78.48   36.00
   18.00  -72.56   67.40  -74.06   46.64
   19.00  -72.88   82.40  -70.46   57.97
   20.00  -72.57   97.40  -66.73   66.72
   21.00  -70.62  112.40  -61.87   72.85
   22.00  -70.10  127.40  -58.87   81.71
   23.00  -69.24  142.40  -56.12   90.36
</PRE>


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