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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>
20 May 1997 16:26:02 yearsecs  12068762
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.77  187.89  -48.09  118.49
    1.00  -65.02  202.89  -49.62  128.75
    2.00  -65.87  217.89  -51.33  138.69
    3.00  -68.18  232.89  -54.89  147.76
    4.00  -67.92  247.89  -56.44  157.79
    5.00  -68.70  262.89  -59.28  167.16
    6.00  -68.79  277.89  -61.91  177.16
    7.00  -69.32  292.89  -65.32  186.67
    8.00  -70.51  307.89  -69.65  194.96
    9.00  -71.58  322.89  -74.08  203.36
   10.00  -70.74  337.89  -77.30  219.53
   11.00  -70.12  352.89  -80.54  242.11
   12.00  -69.83    7.89  -83.07  278.55
   13.00  -69.83   22.89  -82.96  328.46
   14.00  -70.10   37.89  -80.12    4.75
   15.00  -70.64   52.89  -76.48   26.95
   16.00  -71.17   67.89  -72.78   42.56
   17.00  -71.19   82.89  -68.89   54.01
   18.00  -71.25   97.89  -65.42   64.44
   19.00  -70.52  112.89  -61.68   73.01
   20.00  -69.61  127.89  -58.30   81.50
   21.00  -68.80  142.89  -55.61   90.33
   22.00  -67.27  157.89  -52.77   99.13
   23.00  -65.27  172.89  -49.92  108.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.77  187.89  -53.09  119.02
    1.00  -70.02  202.89  -54.54  128.36
    2.00  -70.87  217.89  -56.12  137.29
    3.00  -76.95  232.89  -63.08  142.38
    4.00  -79.05  247.89  -66.36  147.16
    5.00  -79.48  262.89  -68.38  152.75
    6.00  -78.72  277.89  -69.82  160.40
    7.00  -77.59  292.89  -71.50  169.40
    8.00  -77.72  307.89  -74.36  175.01
    9.00  -77.26  322.89  -77.24  182.29
   10.00  -76.95  337.89  -80.48  188.89
   11.00  -77.20  352.89  -84.01  188.93
   12.00  -77.58    7.89  -87.19  167.60
   13.00  -77.42   22.89  -87.53   83.36
   14.00  -77.25   37.89  -84.17   60.64
   15.00  -77.08   52.89  -80.40   60.33
   16.00  -76.90   67.89  -76.67   64.32
   17.00  -76.71   82.89  -73.13   69.79
   18.00  -77.95   97.89  -70.92   79.79
   19.00  -78.27  112.89  -68.65   86.66
   20.00  -77.42  127.89  -65.81   91.54
   21.00  -75.42  142.89  -62.23   96.22
   22.00  -72.27  157.89  -57.81  101.90
   23.00  -70.27  172.89  -54.96  109.97
</PRE>


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