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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>
09 Apr 1997 04:18:57 yearsecs   8482737
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.47    6.98  -69.70  291.30
    1.00  -58.70   21.98  -70.18  319.35
    2.00  -59.79   36.98  -68.33  344.38
    3.00  -63.47   51.98  -68.97    8.38
    4.00  -65.27   66.98  -67.04   27.53
    5.00  -66.38   81.98  -64.40   43.24
    6.00  -66.60   96.98  -61.07   55.88
    7.00  -66.42  111.98  -57.75   67.04
    8.00  -67.14  126.98  -55.93   78.42
    9.00  -66.67  141.98  -53.54   88.17
   10.00  -66.25  156.98  -51.80   98.02
   11.00  -66.06  171.98  -50.76  108.06
   12.00  -66.10  186.98  -50.43  118.12
   13.00  -66.36  201.98  -50.90  128.06
   14.00  -66.84  216.98  -52.19  137.84
   15.00  -67.55  231.98  -54.21  147.45
   16.00  -68.12  246.98  -56.50  157.04
   17.00  -67.03  261.98  -57.67  168.05
   18.00  -66.90  276.98  -60.10  178.72
   19.00  -66.87  291.98  -63.04  189.61
   20.00  -65.51  306.98  -65.27  203.22
   21.00  -62.50  321.98  -66.29  221.31
   22.00  -60.30  336.98  -67.86  241.12
   23.00  -58.34  351.98  -68.99  264.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.47    6.98  -75.18  287.84
    1.00  -63.70   21.98  -76.12  320.28
    2.00  -64.79   36.98  -74.54  349.91
    3.00  -68.47   51.98  -74.64   19.01
    4.00  -71.91   66.98  -73.65   44.15
    5.00  -72.57   81.98  -70.31   56.86
    6.00  -71.96   96.98  -66.28   65.23
    7.00  -71.42  111.98  -62.72   73.75
    8.00  -72.82  126.98  -61.61   84.59
    9.00  -72.68  141.98  -59.61   93.01
   10.00  -73.19  156.98  -58.79  101.95
   11.00  -73.07  171.98  -57.82  110.43
   12.00  -73.09  186.98  -57.45  118.99
   13.00  -72.97  201.98  -57.45  127.53
   14.00  -73.24  216.98  -58.36  135.97
   15.00  -72.91  231.98  -59.20  144.68
   16.00  -73.12  246.98  -60.99  153.16
   17.00  -72.03  261.98  -62.04  163.12
   18.00  -71.90  276.98  -64.37  172.40
   19.00  -71.87  291.98  -67.21  181.71
   20.00  -70.51  306.98  -69.44  194.30
   21.00  -67.50  321.98  -70.71  212.66
   22.00  -65.30  336.98  -72.59  233.05
   23.00  -63.34  351.98  -74.07  258.15
</PRE>


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