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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 Feb 1997 02:16:54 yearsecs   5019414
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.88   41.46  -63.17  348.12
    1.00  -57.20   56.46  -59.41    5.31
    2.00  -57.51   71.46  -56.07   20.47
    3.00  -57.82   86.46  -53.23   34.88
    4.00  -58.11  101.46  -50.69   48.95
    5.00  -58.82  116.46  -48.83   62.80
    6.00  -60.71  131.46  -48.60   76.40
    7.00  -62.25  146.46  -48.55   88.55
    8.00  -61.79  161.46  -46.95   99.24
    9.00  -61.29  176.46  -45.78  109.99
   10.00  -60.98  191.46  -45.34  120.78
   11.00  -60.88  206.46  -45.76  131.57
   12.00  -60.99  221.46  -46.98  142.40
   13.00  -61.30  236.46  -48.89  153.26
   14.00  -61.84  251.46  -51.40  164.12
   15.00  -62.58  266.46  -54.42  174.92
   16.00  -63.54  281.46  -57.97  185.55
   17.00  -64.72  296.46  -62.13  195.87
   18.00  -64.98  311.46  -65.90  207.81
   19.00  -63.62  326.46  -68.46  224.19
   20.00  -61.99  341.46  -70.53  244.57
   21.00  -60.77  356.46  -72.23  269.30
   22.00  -58.92   11.46  -71.35  299.18
   23.00  -57.81   26.46  -68.25  326.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.06   41.46  -80.06   14.50
    1.00  -71.98   56.46  -76.61   35.55
    2.00  -72.84   71.46  -73.21   50.49
    3.00  -73.29   86.46  -69.82   61.59
    4.00  -74.01  101.46  -67.13   72.07
    5.00  -75.27  116.46  -65.52   82.47
    6.00  -75.38  131.46  -63.47   90.30
    7.00  -74.61  146.46  -61.08   97.28
    8.00  -74.62  161.46  -59.93  105.36
    9.00  -74.99  176.46  -59.60  113.62
   10.00  -74.51  191.46  -58.87  121.64
   11.00  -74.19  206.46  -58.80  129.85
   12.00  -74.00  221.46  -59.38  138.17
   13.00  -73.84  236.46  -60.49  146.61
   14.00  -73.87  251.46  -62.20  155.00
   15.00  -73.71  266.46  -64.15  163.66
   16.00  -74.07  281.46  -66.93  171.52
   17.00  -74.30  296.46  -69.96  179.37
   18.00  -73.91  311.46  -72.92  188.89
   19.00  -72.94  326.46  -75.87  201.66
   20.00  -72.59  341.46  -79.45  215.63
   21.00  -71.79  356.46  -82.69  240.26
   22.00  -71.88   11.46  -85.54  284.22
   23.00  -70.95   26.46  -83.59  342.78
</PRE>


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