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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
30 Oct 1997 18:47:44 yearsecs  26160464
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.01  146.64  -51.37   90.27
    1.00  -64.29  161.64  -49.49  100.34
    2.00  -65.38  176.64  -49.90  111.04
    3.00  -66.47  191.64  -50.80  121.25
    4.00  -66.30  206.64  -51.04  131.14
    5.00  -67.24  221.64  -52.94  140.79
    6.00  -67.35  236.64  -54.54  150.63
    7.00  -67.20  251.64  -56.30  160.82
    8.00  -67.84  266.64  -59.13  170.53
    9.00  -67.52  281.64  -61.51  181.32
   10.00  -67.12  296.64  -64.27  192.72
   11.00  -66.89  311.64  -67.60  204.85
   12.00  -66.93  326.64  -71.41  218.31
   13.00  -67.19  341.64  -75.39  234.74
   14.00  -67.67  356.64  -79.16  257.49
   15.00  -68.38   11.64  -81.83  292.91
   16.00  -69.32   26.64  -81.83  337.83
   17.00  -70.27   41.64  -79.28   11.43
   18.00  -70.04   56.64  -74.87   28.83
   19.00  -69.51   71.64  -70.25   41.11
   20.00  -68.48   86.64  -65.40   51.00
   21.00  -67.47  101.64  -60.93   60.78
   22.00  -66.52  116.64  -56.99   70.55
   23.00  -65.71  131.64  -53.79   80.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.58  146.64  -60.04   96.45
    1.00  -74.54  161.64  -59.84  105.41
    2.00  -75.47  176.64  -60.08  113.89
    3.00  -78.98  191.64  -63.44  122.05
    4.00  -80.93  206.64  -65.63  128.26
    5.00  -81.30  221.64  -66.53  133.99
    6.00  -80.84  236.64  -67.00  140.26
    7.00  -80.49  251.64  -67.98  146.56
    8.00  -80.98  266.64  -69.96  151.11
    9.00  -81.03  281.64  -71.85  155.84
   10.00  -81.01  296.64  -73.94  160.02
   11.00  -80.52  311.64  -76.12  165.08
   12.00  -80.36  326.64  -78.64  167.50
   13.00  -80.11  341.64  -81.28  167.44
   14.00  -80.05  356.64  -83.77  159.06
   15.00  -79.73   11.64  -85.66  135.83
   16.00  -79.86   26.64  -84.99  100.57
   17.00  -79.50   41.64  -82.83   80.35
   18.00  -79.70   56.64  -79.83   77.57
   19.00  -79.32   71.64  -76.75   76.65
   20.00  -78.40   86.64  -73.34   77.00
   21.00  -76.66  101.64  -69.28   78.09
   22.00  -75.11  116.64  -65.34   82.29
   23.00  -73.95  131.64  -62.07   88.59
</PRE>


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