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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 02:16:21 yearsecs   5019381
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.88   41.60  -63.13  348.30
    1.00  -57.20   56.60  -59.37    5.46
    2.00  -57.52   71.60  -56.04   20.61
    3.00  -57.82   86.60  -53.20   35.01
    4.00  -58.11  101.60  -50.67   49.08
    5.00  -58.82  116.60  -48.80   62.92
    6.00  -60.71  131.60  -48.57   76.51
    7.00  -62.25  146.60  -48.53   88.66
    8.00  -61.78  161.60  -46.94   99.34
    9.00  -61.28  176.60  -45.77  110.09
   10.00  -60.98  191.60  -45.34  120.89
   11.00  -60.88  206.60  -45.76  131.67
   12.00  -60.99  221.60  -47.00  142.50
   13.00  -61.31  236.60  -48.91  153.36
   14.00  -61.84  251.60  -51.42  164.22
   15.00  -62.58  266.60  -54.45  175.03
   16.00  -63.54  281.60  -58.00  185.66
   17.00  -64.72  296.60  -62.16  195.98
   18.00  -64.98  311.60  -65.94  207.93
   19.00  -63.62  326.60  -68.49  224.34
   20.00  -61.99  341.60  -70.57  244.76
   21.00  -60.78  356.60  -72.26  269.55
   22.00  -58.92   11.60  -71.35  299.47
   23.00  -57.81   26.60  -68.23  327.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.06   41.60  -80.02   14.70
    1.00  -71.97   56.60  -76.57   35.67
    2.00  -72.84   71.60  -73.17   50.59
    3.00  -73.28   86.60  -69.78   61.67
    4.00  -74.01  101.60  -67.10   72.15
    5.00  -75.27  116.60  -65.49   82.54
    6.00  -75.38  131.60  -63.45   90.36
    7.00  -74.61  146.60  -61.06   97.35
    8.00  -74.62  161.60  -59.92  105.44
    9.00  -74.99  176.60  -59.60  113.70
   10.00  -74.50  191.60  -58.86  121.71
   11.00  -74.19  206.60  -58.80  129.93
   12.00  -74.00  221.60  -59.39  138.25
   13.00  -73.84  236.60  -60.50  146.69
   14.00  -73.87  251.60  -62.22  155.08
   15.00  -73.71  266.60  -64.17  163.75
   16.00  -74.07  281.60  -66.96  171.60
   17.00  -74.30  296.60  -69.99  179.45
   18.00  -73.91  311.60  -72.95  188.97
   19.00  -72.94  326.60  -75.91  201.77
   20.00  -72.59  341.60  -79.49  215.78
   21.00  -71.78  356.60  -82.73  240.54
   22.00  -71.87   11.60  -85.55  284.85
   23.00  -70.95   26.60  -83.56  343.20
</PRE>


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