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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>
17 Mar 1997 00:31:30 yearsecs   6481890
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.09   66.38  -64.63   23.14
    1.00  -64.31   81.38  -62.28   39.15
    2.00  -65.11   96.38  -59.64   53.18
    3.00  -67.71  111.38  -59.18   68.21
    4.00  -67.32  126.38  -56.21   78.19
    5.00  -67.99  141.38  -54.96   88.74
    6.00  -67.94  156.38  -53.55   98.48
    7.00  -68.34  171.38  -53.08  108.38
    8.00  -69.51  186.38  -53.85  118.16
    9.00  -69.74  201.38  -54.22  127.45
   10.00  -69.47  216.38  -54.68  136.77
   11.00  -69.13  231.38  -55.61  146.33
   12.00  -69.04  246.38  -57.25  156.01
   13.00  -69.20  261.38  -59.49  165.67
   14.00  -69.61  276.38  -62.33  175.12
   15.00  -70.26  291.38  -65.78  184.13
   16.00  -70.89  306.38  -69.59  193.09
   17.00  -70.98  321.38  -73.28  203.86
   18.00  -71.11  336.38  -77.17  216.65
   19.00  -70.43  351.38  -80.43  238.25
   20.00  -69.57    6.38  -82.61  274.85
   21.00  -68.77   21.38  -81.97  322.15
   22.00  -66.82   36.38  -77.03  352.54
   23.00  -64.71   51.38  -70.64    9.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.09   66.38  -70.26   32.95
    1.00  -69.31   81.38  -67.52   48.57
    2.00  -70.11   96.38  -64.69   61.29
    3.00  -76.38  111.38  -67.32   82.01
    4.00  -78.51  126.38  -66.98   92.71
    5.00  -78.90  141.38  -65.72   99.68
    6.00  -78.02  156.38  -63.66  105.36
    7.00  -76.71  171.38  -61.53  111.71
    8.00  -76.67  186.38  -61.10  119.23
    9.00  -76.78  201.38  -61.27  126.77
   10.00  -76.61  216.38  -61.64  134.34
   11.00  -76.78  231.38  -62.79  141.75
   12.00  -77.17  246.38  -64.55  148.77
   13.00  -77.04  261.38  -66.21  156.21
   14.00  -76.90  276.38  -68.26  163.61
   15.00  -76.75  291.38  -70.69  170.91
   16.00  -76.60  306.38  -73.47  178.11
   17.00  -76.44  321.38  -76.57  185.27
   18.00  -77.73  336.38  -80.29  183.64
   19.00  -78.09  351.38  -83.58  180.58
   20.00  -77.24    6.38  -87.08  177.60
   21.00  -75.13   21.38  -88.35   11.14
   22.00  -71.82   36.38  -82.10   10.23
   23.00  -69.71   51.38  -76.05   22.08
</PRE>


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