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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>
03 Nov 1997 12:54:08 yearsecs  26484848
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.58  230.73  -52.25  147.45
    1.00  -66.41  245.73  -54.79  157.30
    2.00  -67.22  260.73  -57.65  167.03
    3.00  -68.03  275.73  -60.86  176.58
    4.00  -67.66  290.73  -63.46  187.61
    5.00  -68.33  305.73  -67.39  197.60
    6.00  -68.29  320.73  -71.04  209.86
    7.00  -68.76  335.73  -75.23  223.40
    8.00  -69.78  350.73  -79.75  239.86
    9.00  -69.93    5.73  -82.89  271.79
   10.00  -69.59   20.73  -82.94  321.24
   11.00  -69.28   35.73  -79.84  357.86
   12.00  -69.20   50.73  -75.73   19.71
   13.00  -69.37   65.73  -71.71   35.57
   14.00  -69.77   80.73  -68.13   49.10
   15.00  -70.42   95.73  -65.13   61.41
   16.00  -71.04  110.73  -62.59   72.39
   17.00  -71.13  125.73  -60.13   81.82
   18.00  -71.25  140.73  -58.32   90.98
   19.00  -70.57  155.73  -56.26   99.56
   20.00  -69.73  170.73  -54.51  108.44
   21.00  -68.98  185.73  -53.33  117.68
   22.00  -68.38  200.73  -52.86  127.13
   23.00  -66.94  215.73  -52.20  136.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.58  230.73  -56.90  145.21
    1.00  -71.74  245.73  -59.60  153.59
    2.00  -72.53  260.73  -62.30  161.80
    3.00  -78.10  275.73  -69.06  160.85
    4.00  -80.02  290.73  -72.57  161.62
    5.00  -80.42  305.73  -75.12  164.32
    6.00  -79.70  320.73  -77.50  170.34
    7.00  -79.09  335.73  -80.28  174.99
    8.00  -79.06  350.73  -83.22  172.03
    9.00  -79.01    5.73  -85.78  154.83
   10.00  -78.75   20.73  -86.62  107.48
   11.00  -78.78   35.73  -84.27   78.15
   12.00  -79.02   50.73  -81.08   73.65
   13.00  -78.82   65.73  -77.84   73.12
   14.00  -78.63   80.73  -74.64   75.93
   15.00  -78.43   95.73  -71.64   80.36
   16.00  -78.24  110.73  -68.95   85.70
   17.00  -78.04  125.73  -66.65   91.61
   18.00  -79.12  140.73  -65.98   99.70
   19.00  -79.34  155.73  -65.01  106.33
   20.00  -78.53  170.73  -63.40  112.36
   21.00  -76.67  185.73  -61.10  118.90
   22.00  -73.76  200.73  -58.21  126.75
   23.00  -71.94  215.73  -57.02  135.67
</PRE>


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