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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>
06 Aug 1997 00:25:04 yearsecs  18750304
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.58   64.28  -68.12   25.48
    1.00  -65.88   79.28  -64.54   40.00
    2.00  -66.71   94.28  -61.80   53.93
    3.00  -67.54  109.28  -59.42   66.48
    4.00  -67.15  124.28  -56.35   76.58
    5.00  -67.80  139.28  -54.99   87.22
    6.00  -67.68  154.28  -53.45   96.97
    7.00  -67.92  169.28  -52.75  106.88
    8.00  -68.75  184.28  -53.11  116.73
    9.00  -69.03  199.28  -53.46  126.19
   10.00  -68.75  214.28  -53.84  135.64
   11.00  -68.54  229.28  -54.85  145.26
   12.00  -68.55  244.28  -56.54  154.97
   13.00  -68.80  259.28  -58.82  164.66
   14.00  -69.28  274.28  -61.68  174.13
   15.00  -69.98  289.28  -65.12  183.17
   16.00  -70.72  304.28  -68.97  192.00
   17.00  -71.07  319.28  -72.83  201.99
   18.00  -71.12  334.28  -76.64  214.56
   19.00  -70.52  349.28  -79.99  234.63
   20.00  -69.64    4.28  -82.39  268.78
   21.00  -68.79   19.28  -82.18  315.93
   22.00  -68.07   34.28  -78.90  351.60
   23.00  -66.73   49.28  -73.54   11.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.58   64.28  -73.24   37.72
    1.00  -71.69   79.28  -70.24   52.69
    2.00  -72.53   94.28  -67.38   64.70
    3.00  -77.73  109.28  -68.79   83.95
    4.00  -79.74  124.28  -68.30   94.19
    5.00  -80.12  139.28  -67.04  100.59
    6.00  -79.37  154.28  -65.13  105.74
    7.00  -78.48  169.28  -63.41  111.66
    8.00  -78.58  184.28  -63.08  118.62
    9.00  -78.55  199.28  -63.05  125.55
   10.00  -78.49  214.28  -63.41  132.51
   11.00  -78.47  229.28  -64.24  139.44
   12.00  -78.71  244.28  -65.71  146.00
   13.00  -78.51  259.28  -67.16  152.92
   14.00  -78.38  274.28  -69.05  159.63
   15.00  -78.17  289.28  -71.25  166.34
   16.00  -78.12  304.28  -73.87  172.30
   17.00  -77.90  319.28  -76.71  178.28
   18.00  -78.79  334.28  -79.98  176.83
   19.00  -78.87  349.28  -82.99  174.35
   20.00  -78.01    4.28  -86.26  169.62
   21.00  -76.11   19.28  -89.08   57.82
   22.00  -73.47   34.28  -83.94   18.11
   23.00  -71.73   49.28  -78.44   27.41
</PRE>


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