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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>
29 May 1997 11:14:20 yearsecs  12827660
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.26  263.46  -50.87  174.92
    1.00  -60.46  278.46  -54.61  186.00
    2.00  -61.17  293.46  -58.24  197.55
    3.00  -67.74  308.46  -67.54  200.77
    4.00  -67.47  323.46  -71.06  214.10
    5.00  -68.30  338.46  -75.55  227.82
    6.00  -68.59  353.46  -79.35  248.74
    7.00  -68.46    8.46  -81.70  283.60
    8.00  -69.13   23.46  -82.12  328.72
    9.00  -69.29   38.46  -79.16    2.76
   10.00  -68.94   53.46  -74.70   22.06
   11.00  -68.62   68.46  -70.24   36.14
   12.00  -68.56   83.46  -66.27   48.65
   13.00  -68.74   98.46  -62.90   60.42
   14.00  -69.17  113.46  -60.25   71.56
   15.00  -69.85  128.46  -58.46   82.11
   16.00  -70.38  143.46  -57.16   91.91
   17.00  -70.15  158.46  -55.64  101.00
   18.00  -70.74  173.46  -55.41  110.48
   19.00  -70.11  188.46  -54.44  119.52
   20.00  -69.31  203.46  -53.86  128.78
   21.00  -67.93  218.46  -53.34  138.52
   22.00  -63.98  233.46  -51.05  150.00
   23.00  -61.36  248.46  -50.52  162.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.26  263.46  -55.44  171.39
    1.00  -65.46  278.46  -59.11  181.34
    2.00  -66.17  293.46  -62.75  191.67
    3.00  -73.49  308.46  -71.96  188.26
    4.00  -75.88  323.46  -76.78  188.53
    5.00  -75.97  338.46  -80.34  195.12
    6.00  -75.74  353.46  -84.01  203.95
    7.00  -74.61    8.46  -87.51  241.44
    8.00  -74.97   23.46  -87.73   14.52
    9.00  -75.19   38.46  -83.68   39.13
   10.00  -75.08   53.46  -79.50   48.14
   11.00  -75.33   68.46  -75.71   57.76
   12.00  -75.82   83.46  -72.42   67.16
   13.00  -75.72   98.46  -69.15   74.31
   14.00  -75.62  113.46  -66.32   81.57
   15.00  -75.50  128.46  -63.97   88.94
   16.00  -75.38  143.46  -62.13   96.47
   17.00  -75.15  158.46  -60.66  104.11
   18.00  -76.38  173.46  -61.12  112.60
   19.00  -76.60  188.46  -61.01  120.27
   20.00  -75.45  203.46  -59.98  128.02
   21.00  -72.93  218.46  -58.15  136.92
   22.00  -68.98  233.46  -55.69  147.73
   23.00  -66.36  248.46  -55.11  159.21
</PRE>


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