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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>
12 May 1997 00:59:03 yearsecs  11321943
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.58   53.85  -69.80   12.45
    1.00  -64.85   68.85  -66.07   28.56
    2.00  -65.92   83.85  -63.45   44.02
    3.00  -67.01   98.85  -61.08   57.96
    4.00  -66.93  113.85  -57.92   69.01
    5.00  -67.99  128.85  -56.53   80.50
    6.00  -68.43  143.85  -55.14   90.66
    7.00  -69.45  158.85  -54.90  100.86
    8.00  -71.33  173.85  -55.99  110.90
    9.00  -71.36  188.85  -55.69  119.88
   10.00  -70.27  203.85  -54.82  128.91
   11.00  -69.40  218.85  -54.78  138.33
   12.00  -68.89  233.85  -55.64  148.02
   13.00  -68.72  248.85  -57.28  157.85
   14.00  -68.87  263.85  -59.59  167.63
   15.00  -69.33  278.85  -62.54  177.12
   16.00  -69.81  293.85  -65.93  186.52
   17.00  -69.77  308.85  -69.29  197.19
   18.00  -69.77  323.85  -73.00  209.09
   19.00  -68.93  338.85  -76.16  226.47
   20.00  -67.90  353.85  -78.81  251.55
   21.00  -67.08    8.85  -80.26  287.01
   22.00  -66.53   23.85  -79.14  326.20
   23.00  -65.70   38.85  -75.14  354.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.24   53.85  -76.74   30.19
    1.00  -72.49   68.85  -73.63   47.49
    2.00  -73.39   83.85  -70.52   60.24
    3.00  -78.78   98.85  -71.32   82.51
    4.00  -80.68  113.85  -70.36   92.68
    5.00  -81.15  128.85  -68.97   98.66
    6.00  -80.63  143.85  -67.11  103.10
    7.00  -79.87  158.85  -65.33  108.16
    8.00  -79.78  173.85  -64.56  114.44
    9.00  -79.67  188.85  -64.15  120.89
   10.00  -79.34  203.85  -63.94  127.50
   11.00  -79.30  218.85  -64.43  134.16
   12.00  -79.46  233.85  -65.51  140.60
   13.00  -79.19  248.85  -66.59  147.37
   14.00  -78.93  263.85  -68.06  154.16
   15.00  -78.67  278.85  -69.93  160.89
   16.00  -78.42  293.85  -72.17  167.46
   17.00  -78.16  308.85  -74.75  173.79
   18.00  -79.18  323.85  -77.98  173.41
   19.00  -79.40  338.85  -80.88  172.84
   20.00  -78.64  353.85  -83.95  174.08
   21.00  -76.87    8.85  -87.79  179.24
   22.00  -74.10   23.85  -87.06  359.08
   23.00  -72.43   38.85  -81.93   17.86
</PRE>


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