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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>
16 Apr 1997 13:12:02 yearsecs   9119522
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.31  236.69  -49.88  153.01
    1.00  -63.45  251.69  -52.92  163.34
    2.00  -64.31  266.69  -56.02  173.73
    3.00  -67.39  281.69  -61.41  181.50
    4.00  -67.03  296.69  -64.21  192.89
    5.00  -67.73  311.69  -68.32  203.37
    6.00  -67.65  326.69  -72.04  216.79
    7.00  -67.74  341.69  -75.87  233.38
    8.00  -68.42  356.69  -79.87  255.40
    9.00  -68.70   11.69  -82.17  292.63
   10.00  -68.43   26.69  -80.84  335.89
   11.00  -68.24   41.69  -77.22    4.70
   12.00  -68.27   56.69  -73.12   23.76
   13.00  -68.53   71.69  -69.28   38.80
   14.00  -69.02   86.69  -65.92   52.10
   15.00  -69.73  101.69  -63.15   64.33
   16.00  -70.50  116.69  -60.98   75.42
   17.00  -70.94  131.69  -59.11   85.25
   18.00  -70.95  146.69  -57.41   94.33
   19.00  -70.36  161.69  -55.63  103.11
   20.00  -69.47  176.69  -54.01  112.10
   21.00  -68.61  191.69  -52.93  121.41
   22.00  -65.79  206.69  -50.54  131.23
   23.00  -63.70  221.69  -49.60  141.85
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.31  236.69  -54.51  150.69
    1.00  -68.45  251.69  -57.43  159.93
    2.00  -69.31  266.69  -60.43  169.06
    3.00  -75.19  281.69  -67.84  169.58
    4.00  -77.51  296.69  -72.14  171.20
    5.00  -77.84  311.69  -75.16  175.97
    6.00  -76.85  326.69  -77.91  185.58
    7.00  -75.83  341.69  -81.08  197.47
    8.00  -76.15  356.69  -84.90  200.72
    9.00  -76.20   11.69  -88.75  191.80
   10.00  -76.30   26.69  -87.11   50.52
   11.00  -76.33   41.69  -83.12   51.59
   12.00  -76.69   56.69  -79.33   59.04
   13.00  -76.53   71.69  -75.59   64.25
   14.00  -76.49   86.69  -72.16   70.76
   15.00  -76.30  101.69  -68.98   77.25
   16.00  -76.36  116.69  -66.45   84.51
   17.00  -76.16  131.69  -64.18   91.47
   18.00  -77.14  146.69  -63.54   99.94
   19.00  -77.18  161.69  -62.49  107.21
   20.00  -76.07  176.69  -60.69  114.13
   21.00  -73.80  191.69  -58.15  121.72
   22.00  -70.79  206.69  -55.43  130.57
   23.00  -68.70  221.69  -54.33  140.35
</PRE>


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