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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 Mar 1997 23:47:22 yearsecs   7516042
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.75   75.57  -54.07   23.49
    1.00  -57.12   90.57  -51.52   37.90
    2.00  -57.49  105.57  -49.21   52.02
    3.00  -57.85  120.57  -47.10   65.47
    4.00  -58.20  135.57  -45.42   77.97
    5.00  -58.98  150.57  -44.80   89.97
    6.00  -60.94  165.57  -45.86  101.95
    7.00  -62.58  180.57  -46.98  113.19
    8.00  -62.27  195.57  -46.69  123.76
    9.00  -61.66  210.57  -46.77  134.43
   10.00  -61.22  225.57  -47.60  145.32
   11.00  -61.03  240.57  -49.14  156.42
   12.00  -61.06  255.57  -51.29  167.68
   13.00  -61.32  270.57  -53.98  179.06
   14.00  -61.80  285.57  -57.20  190.50
   15.00  -62.51  300.57  -61.06  201.95
   16.00  -63.44  315.57  -65.54  213.79
   17.00  -64.60  330.57  -70.37  226.95
   18.00  -64.83  345.57  -74.17  245.47
   19.00  -63.45    0.57  -75.59  273.61
   20.00  -61.78   15.57  -74.46  306.55
   21.00  -60.58   30.57  -70.87  335.02
   22.00  -58.74   45.57  -64.59  354.75
   23.00  -57.65   60.57  -58.95    9.99
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.96   75.57  -68.68   43.10
    1.00  -69.92   90.57  -65.86   56.80
    2.00  -70.83  105.57  -63.40   68.75
    3.00  -71.28  120.57  -61.08   78.85
    4.00  -72.04  135.57  -59.70   88.68
    5.00  -73.40  150.57  -59.51   98.50
    6.00  -73.67  165.57  -58.74  107.08
    7.00  -72.50  180.57  -56.96  115.20
    8.00  -72.41  195.57  -56.76  123.88
    9.00  -72.70  210.57  -57.49  132.48
   10.00  -72.24  225.57  -58.01  141.31
   11.00  -71.96  240.57  -59.20  150.33
   12.00  -71.83  255.57  -60.95  159.46
   13.00  -71.72  270.57  -63.13  168.72
   14.00  -71.82  285.57  -65.89  177.82
   15.00  -71.70  300.57  -68.90  187.51
   16.00  -72.16  315.57  -72.70  196.39
   17.00  -72.45  330.57  -76.60  206.54
   18.00  -72.07  345.57  -80.18  222.56
   19.00  -71.07    0.57  -83.03  253.10
   20.00  -70.74   15.57  -84.48  303.69
   21.00  -69.91   30.57  -81.68  349.35
   22.00  -69.96   45.57  -77.91   15.79
   23.00  -68.89   60.57  -72.67   29.40
</PRE>


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