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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>
28 Jun 1997 16:58:07 yearsecs  15440287
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.85  180.20  -49.27  113.36
    1.00  -64.23  195.20  -48.62  123.55
    2.00  -65.28  210.20  -50.24  133.65
    3.00  -66.32  225.20  -52.39  143.44
    4.00  -66.14  240.20  -53.84  153.67
    5.00  -67.11  255.20  -56.72  163.32
    6.00  -67.24  270.20  -59.20  173.59
    7.00  -67.08  285.20  -61.83  184.40
    8.00  -67.73  300.20  -65.60  194.45
    9.00  -67.34  315.20  -68.87  207.01
   10.00  -67.07  330.20  -72.44  221.63
   11.00  -66.81  345.20  -75.90  240.58
   12.00  -66.84    0.20  -78.98  266.91
   13.00  -67.09   15.20  -80.46  304.07
   14.00  -67.57   30.20  -79.24  342.20
   15.00  -68.28   45.20  -76.32    9.90
   16.00  -69.21   60.20  -73.08   29.91
   17.00  -70.17   75.20  -69.93   45.70
   18.00  -69.96   90.20  -65.97   56.60
   19.00  -69.41  105.20  -62.11   66.27
   20.00  -68.35  120.20  -58.24   75.09
   21.00  -67.34  135.20  -55.01   84.15
   22.00  -66.37  150.20  -52.45   93.51
   23.00  -65.52  165.20  -50.54  103.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.19  180.20  -55.64  114.68
    1.00  -72.20  195.20  -56.55  123.67
    2.00  -73.15  210.20  -57.92  132.16
    3.00  -76.88  225.20  -62.43  138.62
    4.00  -79.11  240.20  -65.70  143.73
    5.00  -79.47  255.20  -67.49  149.63
    6.00  -78.76  270.20  -68.76  157.16
    7.00  -78.10  285.20  -70.53  164.87
    8.00  -78.45  300.20  -73.30  169.71
    9.00  -77.80  315.20  -75.85  177.32
   10.00  -78.58  330.20  -79.13  177.59
   11.00  -79.43  345.20  -82.08  171.31
   12.00  -79.23    0.20  -84.82  162.12
   13.00  -78.89   15.20  -86.66  127.71
   14.00  -78.82   30.20  -85.29   85.17
   15.00  -78.45   45.20  -82.34   70.26
   16.00  -78.58   60.20  -78.99   70.96
   17.00  -78.10   75.20  -75.55   72.11
   18.00  -78.31   90.20  -72.60   77.95
   19.00  -78.00  105.20  -69.67   82.87
   20.00  -77.03  120.20  -66.51   87.36
   21.00  -75.13  135.20  -62.77   91.91
   22.00  -73.31  150.20  -59.45   98.22
   23.00  -71.71  165.20  -56.78  105.89
</PRE>


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