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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>
27 May 1997 13:20:46 yearsecs  12662446
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.54  236.10  -47.16  153.70
    1.00  -60.21  251.10  -49.82  164.76
    2.00  -60.88  266.10  -52.81  175.90
    3.00  -61.55  281.10  -56.10  187.17
    4.00  -60.61  296.10  -58.31  200.33
    5.00  -61.63  311.10  -62.77  212.16
    6.00  -62.79  326.10  -67.60  225.12
    7.00  -63.63  341.10  -72.03  241.46
    8.00  -63.82  356.10  -75.29  264.57
    9.00  -63.20   11.10  -76.13  296.22
   10.00  -62.79   26.10  -74.44  328.30
   11.00  -62.62   41.10  -70.86  353.16
   12.00  -62.67   56.10  -66.86   11.81
   13.00  -62.95   71.10  -63.24   27.50
   14.00  -63.45   86.10  -60.18   42.00
   15.00  -64.18  101.10  -57.62   55.77
   16.00  -65.13  116.10  -55.66   68.64
   17.00  -66.31  131.10  -54.49   80.50
   18.00  -66.30  146.10  -52.75   90.70
   19.00  -65.64  161.10  -50.90  100.54
   20.00  -64.06  176.10  -48.59  110.36
   21.00  -62.93  191.10  -47.27  120.66
   22.00  -61.34  206.10  -46.18  131.27
   23.00  -60.17  221.10  -46.17  142.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.22  236.10  -58.95  147.51
    1.00  -72.85  251.10  -61.26  155.81
    2.00  -73.73  266.10  -64.12  163.44
    3.00  -74.43  281.10  -67.15  170.69
    4.00  -76.25  296.10  -71.23  174.39
    5.00  -77.39  311.10  -74.84  177.39
    6.00  -77.54  326.10  -78.02  182.06
    7.00  -77.35  341.10  -81.29  186.97
    8.00  -77.45  356.10  -84.73  185.37
    9.00  -77.40   11.10  -87.85  158.35
   10.00  -77.12   26.10  -87.04   68.47
   11.00  -76.76   41.10  -83.34   55.47
   12.00  -76.45   56.10  -79.40   57.42
   13.00  -76.35   71.10  -75.63   63.23
   14.00  -76.18   86.10  -72.08   69.55
   15.00  -75.70  101.10  -68.61   75.56
   16.00  -75.58  116.10  -65.85   82.83
   17.00  -74.56  131.10  -62.73   89.05
   18.00  -74.37  146.10  -60.88   96.87
   19.00  -74.71  161.10  -60.04  105.22
   20.00  -74.24  176.10  -58.85  113.18
   21.00  -72.90  191.10  -57.23  121.33
   22.00  -72.79  206.10  -57.39  129.90
   23.00  -71.78  221.10  -57.22  138.89
</PRE>


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