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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>
17 May 1997 17:02:18 yearsecs  11811738
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.22  176.35  -47.73  110.34
    1.00  -62.91  191.35  -47.26  120.83
    2.00  -63.79  206.35  -48.58  131.21
    3.00  -64.66  221.35  -50.47  141.35
    4.00  -64.38  236.35  -51.76  151.86
    5.00  -65.47  251.35  -54.70  161.81
    6.00  -65.65  266.35  -57.16  172.34
    7.00  -65.51  281.35  -59.70  183.42
    8.00  -66.34  296.35  -63.53  193.63
    9.00  -66.83  311.35  -67.48  204.71
   10.00  -64.71  326.35  -69.41  222.25
   11.00  -64.72  341.35  -73.11  239.78
   12.00  -64.84  356.35  -76.36  263.27
   13.00  -65.21   11.35  -78.35  295.35
   14.00  -65.80   26.35  -77.93  331.16
   15.00  -66.62   41.35  -75.54    0.16
   16.00  -67.65   56.35  -72.57   21.80
   17.00  -68.78   71.35  -69.62   39.08
   18.00  -68.69   86.35  -65.69   51.19
   19.00  -68.12  101.35  -61.65   61.54
   20.00  -66.97  116.35  -57.51   70.85
   21.00  -65.93  131.35  -54.07   80.35
   22.00  -64.90  146.35  -51.29   90.00
   23.00  -63.88  161.35  -49.09   99.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.64  176.35  -53.19  111.66
    1.00  -69.81  191.35  -54.13  121.27
    2.00  -70.87  206.35  -55.50  130.35
    3.00  -74.10  221.35  -59.48  138.07
    4.00  -76.82  236.35  -63.25  144.20
    5.00  -77.44  251.35  -65.33  150.84
    6.00  -76.61  266.35  -66.54  159.30
    7.00  -75.80  281.35  -68.25  168.20
    8.00  -76.42  296.35  -71.39  174.05
    9.00  -75.82  311.35  -74.06  182.95
   10.00  -75.69  326.35  -77.36  190.74
   11.00  -75.94  341.35  -81.03  196.61
   12.00  -76.00  356.35  -84.79  202.45
   13.00  -75.85   11.35  -88.72  209.44
   14.00  -76.00   26.35  -87.22   44.02
   15.00  -75.67   41.35  -83.05   45.38
   16.00  -75.81   56.35  -79.08   53.87
   17.00  -74.92   71.35  -74.72   57.69
   18.00  -75.07   86.35  -71.24   66.37
   19.00  -75.18  101.35  -68.14   74.52
   20.00  -74.26  116.35  -64.62   80.73
   21.00  -72.10  131.35  -60.30   86.28
   22.00  -70.54  146.35  -57.03   93.81
   23.00  -69.14  161.35  -54.43  102.29
</PRE>


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