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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>
26 Sep 1997 12:11:00 yearsecs  23199060
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.22  246.80  -52.02  159.90
    1.00  -63.46  261.80  -54.46  170.77
    2.00  -64.13  276.80  -57.62  181.43
    3.00  -64.79  291.80  -61.17  192.15
    4.00  -64.53  306.80  -64.35  204.52
    5.00  -65.76  321.80  -69.18  215.87
    6.00  -66.06  336.80  -73.22  231.26
    7.00  -66.14  351.80  -76.75  252.49
    8.00  -66.63    6.80  -79.61  282.53
    9.00  -66.06   21.80  -78.86  320.92
   10.00  -65.64   36.80  -75.58  351.01
   11.00  -65.45   51.80  -71.39   11.71
   12.00  -65.49   66.80  -67.34   27.78
   13.00  -65.75   81.80  -63.77   41.96
   14.00  -66.23   96.80  -60.73   55.18
   15.00  -66.94  111.80  -58.32   67.54
   16.00  -67.87  126.80  -56.70   79.01
   17.00  -68.98  141.80  -55.91   89.76
   18.00  -68.95  156.80  -54.54   99.30
   19.00  -68.29  171.80  -53.01  108.63
   20.00  -67.03  186.80  -51.36  118.11
   21.00  -65.95  201.80  -50.49  127.96
   22.00  -64.82  216.80  -50.25  138.20
   23.00  -63.72  231.80  -50.63  148.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.32  246.80  -57.55  156.09
    1.00  -70.50  261.80  -60.69  164.66
    2.00  -71.52  276.80  -64.02  172.84
    3.00  -73.36  291.80  -68.33  178.74
    4.00  -76.23  306.80  -73.34  179.48
    5.00  -76.94  321.80  -76.87  183.32
    6.00  -76.48  336.80  -80.10  191.39
    7.00  -75.87  351.80  -83.61  201.90
    8.00  -76.95    6.80  -87.30  182.52
    9.00  -76.70   21.80  -88.21   70.59
   10.00  -76.90   36.80  -84.46   56.86
   11.00  -76.75   51.80  -80.59   57.82
   12.00  -76.51   66.80  -76.75   62.06
   13.00  -76.35   81.80  -73.14   68.08
   14.00  -76.53   96.80  -70.10   75.52
   15.00  -76.14  111.80  -67.05   81.75
   16.00  -76.10  126.80  -64.75   88.97
   17.00  -74.72  141.80  -61.65   94.91
   18.00  -74.54  156.80  -60.16  102.79
   19.00  -75.01  171.80  -59.79  111.13
   20.00  -74.20  186.80  -58.57  119.05
   21.00  -71.95  201.80  -56.42  127.52
   22.00  -70.76  216.80  -55.94  136.67
   23.00  -69.64  231.80  -56.13  146.34
</PRE>


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