
<HTML>

<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>
13 Aug 1997 17:45:48 yearsecs  19417548
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.65  165.48  -46.58  102.11
    1.00  -62.31  180.48  -46.71  113.08
    2.00  -62.98  195.48  -47.39  123.71
    3.00  -63.66  210.48  -48.69  134.08
    4.00  -63.13  225.48  -49.41  144.68
    5.00  -64.38  240.48  -52.26  154.76
    6.00  -65.23  255.48  -55.08  164.89
    7.00  -65.66  270.48  -57.86  175.31
    8.00  -66.30  285.48  -61.20  185.57
    9.00  -65.54  300.48  -63.76  197.95
   10.00  -64.95  315.48  -66.87  211.40
   11.00  -64.63  330.48  -70.38  226.80
   12.00  -64.55  345.48  -73.89  245.88
   13.00  -64.71    0.48  -76.88  271.54
   14.00  -65.11   15.48  -78.23  305.43
   15.00  -65.73   30.48  -77.10  339.65
   16.00  -66.58   45.48  -74.40    6.02
   17.00  -67.64   60.48  -71.42   26.12
   18.00  -67.45   75.48  -67.18   39.72
   19.00  -66.94   90.48  -62.93   51.27
   20.00  -65.55  105.48  -58.15   61.04
   21.00  -64.51  120.48  -54.25   71.26
   22.00  -63.21  135.48  -50.71   81.18
   23.00  -62.11  150.48  -48.05   91.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.76  165.48  -57.83  106.57
    1.00  -73.75  180.48  -58.23  115.46
    2.00  -74.76  195.48  -59.15  123.82
    3.00  -75.71  210.48  -60.47  131.64
    4.00  -77.93  225.48  -63.47  138.06
    5.00  -79.02  240.48  -65.64  143.95
    6.00  -78.87  255.48  -67.02  150.69
    7.00  -78.45  270.48  -68.57  157.88
    8.00  -79.26  285.48  -71.32  162.00
    9.00  -79.36  300.48  -73.80  166.80
   10.00  -79.09  315.48  -76.38  172.06
   11.00  -78.61  330.48  -79.19  177.43
   12.00  -78.08  345.48  -82.31  181.78
   13.00  -77.75    0.48  -85.62  178.65
   14.00  -77.53   15.48  -88.11  129.13
   15.00  -76.89   30.48  -86.06   58.94
   16.00  -76.52   45.48  -82.17   54.30
   17.00  -74.97   60.48  -77.57   51.74
   18.00  -74.89   75.48  -73.68   59.92
   19.00  -75.45   90.48  -70.60   69.59
   20.00  -75.04  105.48  -67.24   76.37
   21.00  -73.48  120.48  -63.22   81.81
   22.00  -73.18  135.48  -60.84   89.83
   23.00  -72.45  150.48  -58.57   97.71
</PRE>


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