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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>
16 Aug 1997 15:28:40 yearsecs  19668520
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.77  206.13  -49.53  130.96
    1.00  -64.18  221.13  -50.00  141.33
    2.00  -65.22  236.13  -52.51  151.32
    3.00  -66.25  251.13  -55.38  161.13
    4.00  -66.07  266.13  -57.49  171.82
    5.00  -67.04  281.13  -61.00  181.52
    6.00  -67.18  296.13  -64.21  192.25
    7.00  -67.21  311.13  -67.74  203.86
    8.00  -67.70  326.13  -71.93  216.14
    9.00  -67.33  341.13  -75.38  233.72
   10.00  -66.91  356.13  -78.34  258.48
   11.00  -66.72   11.13  -80.00  293.43
   12.00  -66.76   26.13  -79.06  331.80
   13.00  -67.01   41.13  -76.05    0.72
   14.00  -67.50   56.13  -72.47   21.18
   15.00  -68.20   71.13  -69.10   37.54
   16.00  -69.13   86.13  -66.17   51.91
   17.00  -70.11  101.13  -63.64   64.58
   18.00  -69.90  116.13  -60.49   74.27
   19.00  -69.35  131.13  -57.59   83.30
   20.00  -68.29  146.13  -54.77   92.04
   21.00  -67.27  161.13  -52.55  101.27
   22.00  -66.30  176.13  -50.84  110.92
   23.00  -65.44  191.13  -49.77  120.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.12  206.13  -58.72  129.69
    1.00  -75.10  221.13  -60.43  137.49
    2.00  -76.03  236.13  -62.49  144.76
    3.00  -79.17  251.13  -66.80  148.38
    4.00  -81.12  266.13  -70.00  150.64
    5.00  -81.54  281.13  -72.08  154.24
    6.00  -81.11  296.13  -73.91  159.53
    7.00  -80.78  311.13  -76.10  163.90
    8.00  -81.29  326.13  -78.55  162.49
    9.00  -81.19  341.13  -80.89  160.42
   10.00  -81.20  356.13  -82.93  151.28
   11.00  -80.87   11.13  -84.46  133.11
   12.00  -80.79   26.13  -84.18  106.82
   13.00  -80.49   41.13  -82.49   88.30
   14.00  -80.40   56.13  -79.88   81.96
   15.00  -80.05   71.13  -77.03   80.02
   16.00  -80.11   86.13  -74.29   83.06
   17.00  -79.62  101.13  -71.49   85.72
   18.00  -79.74  116.13  -69.35   91.20
   19.00  -79.46  131.13  -67.27   96.31
   20.00  -78.57  146.13  -64.98  101.31
   21.00  -76.88  161.13  -62.22  106.71
   22.00  -75.50  176.13  -60.12  113.63
   23.00  -74.44  191.13  -58.80  121.45
</PRE>


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