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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>
18 Jul 1997 14:36:32 yearsecs  17159792
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.03  221.41  -47.02  142.35
    1.00  -61.65  236.41  -49.22  153.08
    2.00  -62.28  251.41  -51.80  163.82
    3.00  -62.91  266.41  -54.71  174.63
    4.00  -62.21  281.41  -56.76  186.80
    5.00  -63.35  296.41  -60.89  197.52
    6.00  -64.15  311.41  -65.14  209.02
    7.00  -64.48  326.41  -69.22  222.71
    8.00  -64.86  341.41  -73.24  239.60
    9.00  -64.42  356.41  -75.95  264.12
   10.00  -64.01   11.41  -77.03  296.36
   11.00  -63.82   26.41  -75.61  329.55
   12.00  -63.85   41.41  -72.30  355.28
   13.00  -64.11   56.41  -68.54   14.50
   14.00  -64.60   71.41  -65.11   30.54
   15.00  -65.30   86.41  -62.16   45.16
   16.00  -66.24  101.41  -59.72   58.81
   17.00  -67.39  116.41  -57.92   71.37
   18.00  -67.39  131.41  -55.55   81.65
   19.00  -66.73  146.41  -53.16   91.18
   20.00  -65.25  161.41  -50.48  100.58
   21.00  -64.14  176.41  -48.66  110.59
   22.00  -62.74  191.41  -47.08  120.86
   23.00  -61.57  206.41  -46.43  131.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.12  221.41  -56.61  139.32
    1.00  -71.96  236.41  -58.75  147.85
    2.00  -72.89  251.41  -61.33  155.95
    3.00  -73.73  266.41  -64.16  163.61
    4.00  -76.00  281.41  -68.40  167.84
    5.00  -77.08  296.41  -71.82  172.31
    6.00  -76.80  311.41  -74.60  179.64
    7.00  -76.16  326.41  -77.57  188.71
    8.00  -76.71  341.41  -81.25  191.48
    9.00  -76.82  356.41  -84.86  192.74
   10.00  -76.75   11.41  -88.40  172.21
   11.00  -76.50   26.41  -87.16   55.08
   12.00  -76.19   41.41  -83.17   50.15
   13.00  -76.09   56.41  -79.18   55.50
   14.00  -76.09   71.41  -75.41   62.30
   15.00  -75.63   86.41  -71.63   68.03
   16.00  -75.50  101.41  -68.40   75.27
   17.00  -74.21  116.41  -64.55   80.67
   18.00  -74.02  131.41  -62.17   88.54
   19.00  -74.59  146.41  -61.07   97.23
   20.00  -74.05  161.41  -59.36  104.98
   21.00  -72.34  176.41  -56.91  112.74
   22.00  -71.92  191.41  -56.25  121.44
   23.00  -70.92  206.41  -55.55  130.38
</PRE>


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