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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 Aug 1997 23:40:32 yearsecs  19784432
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.48   75.14  -65.15   35.57
    1.00  -64.98   90.14  -60.93   47.82
    2.00  -65.95  105.14  -58.63   61.30
    3.00  -66.90  120.14  -56.78   73.45
    4.00  -66.60  135.14  -54.26   83.50
    5.00  -67.36  150.14  -53.46   94.06
    6.00  -67.32  165.14  -52.36  103.94
    7.00  -67.26  180.14  -51.69  113.79
    8.00  -67.96  195.14  -52.31  123.58
    9.00  -68.61  210.14  -53.46  133.06
   10.00  -68.23  225.14  -54.18  142.72
   11.00  -67.91  240.14  -55.45  152.65
   12.00  -67.87  255.14  -57.39  162.68
   13.00  -68.09  270.14  -59.93  172.67
   14.00  -68.55  285.14  -63.08  182.44
   15.00  -69.24  300.14  -66.84  191.89
   16.00  -70.06  315.14  -71.05  201.30
   17.00  -70.69  330.14  -75.28  212.10
   18.00  -70.59  345.14  -79.02  228.56
   19.00  -70.03    0.14  -82.02  256.97
   20.00  -69.08   15.14  -82.66  303.01
   21.00  -68.11   30.14  -79.85  343.22
   22.00  -67.26   45.14  -75.26    7.15
   23.00  -66.40   60.14  -70.17   22.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.71   75.14  -72.15   52.65
    1.00  -73.72   90.14  -69.32   64.90
    2.00  -74.58  105.14  -66.90   75.26
    3.00  -78.82  120.14  -68.05   90.73
    4.00  -80.72  135.14  -67.97  100.02
    5.00  -81.06  150.14  -67.05  106.06
    6.00  -80.50  165.14  -65.63  111.30
    7.00  -79.96  180.14  -64.58  117.22
    8.00  -79.98  195.14  -64.47  123.63
    9.00  -79.73  210.14  -64.50  130.15
   10.00  -79.81  225.14  -65.26  136.55
   11.00  -79.66  240.14  -66.20  143.06
   12.00  -79.80  255.14  -67.76  149.07
   13.00  -79.57  270.14  -69.36  155.44
   14.00  -79.49  285.14  -71.41  161.26
   15.00  -79.23  300.14  -73.68  167.13
   16.00  -79.28  315.14  -76.37  171.14
   17.00  -79.03  330.14  -79.18  175.07
   18.00  -79.56  345.14  -82.04  170.33
   19.00  -79.41    0.14  -84.69  160.52
   20.00  -78.57   15.14  -86.99  128.48
   21.00  -76.88   30.14  -86.15   59.04
   22.00  -74.86   45.14  -81.68   41.28
   23.00  -73.45   60.14  -76.70   44.66
</PRE>


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