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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>
22 Apr 1997 17:02:17 yearsecs   9651737
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.07  176.50  -49.59  110.87
    1.00  -64.32  191.50  -48.66  121.02
    2.00  -65.43  206.50  -50.19  131.14
    3.00  -66.54  221.50  -52.26  140.91
    4.00  -66.36  236.50  -53.61  151.03
    5.00  -67.29  251.50  -56.36  160.65
    6.00  -67.40  266.50  -58.72  170.85
    7.00  -67.24  281.50  -61.24  181.55
    8.00  -67.90  296.50  -64.91  191.45
    9.00  -67.57  311.50  -68.14  203.50
   10.00  -67.18  326.50  -71.59  217.63
   11.00  -66.97  341.50  -75.16  235.10
   12.00  -67.00  356.50  -78.49  258.97
   13.00  -67.26   11.50  -80.60  293.84
   14.00  -67.74   26.50  -80.11  334.13
   15.00  -68.45   41.50  -77.50    5.01
   16.00  -69.38   56.50  -74.29   26.65
   17.00  -70.33   71.50  -71.06   43.12
   18.00  -70.09   86.50  -66.99   54.15
   19.00  -69.56  101.50  -63.04   63.93
   20.00  -68.53  116.50  -59.06   72.80
   21.00  -67.53  131.50  -55.69   81.84
   22.00  -66.59  146.50  -53.00   91.15
   23.00  -65.78  161.50  -51.01  100.86
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.26  176.50  -54.82  112.19
    1.00  -71.30  191.50  -55.62  121.45
    2.00  -72.30  206.50  -56.92  130.21
    3.00  -76.53  221.50  -61.85  136.96
    4.00  -78.82  236.50  -65.12  142.40
    5.00  -79.14  251.50  -66.82  148.57
    6.00  -78.44  266.50  -68.02  156.19
    7.00  -77.84  281.50  -69.76  163.91
    8.00  -78.26  296.50  -72.54  168.92
    9.00  -77.91  311.50  -75.16  175.62
   10.00  -77.94  326.50  -78.22  180.19
   11.00  -77.77  341.50  -81.43  184.05
   12.00  -77.91  356.50  -84.72  179.97
   13.00  -77.66   11.50  -87.68  152.14
   14.00  -77.68   26.50  -86.67   77.47
   15.00  -77.38   41.50  -83.27   61.39
   16.00  -77.64   56.50  -79.65   64.73
   17.00  -77.32   71.50  -76.02   67.50
   18.00  -77.65   86.50  -72.94   74.41
   19.00  -77.24  101.50  -69.75   79.44
   20.00  -76.19  116.50  -66.33   84.12
   21.00  -74.21  131.50  -62.34   88.82
   22.00  -72.34  146.50  -58.83   95.32
   23.00  -70.86  161.50  -56.15  103.24
</PRE>


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