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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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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
06 Aug 1997 00:25:00 yearsecs  18750300
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.58   64.29  -68.11   25.49
    1.00  -65.88   79.29  -64.53   40.01
    2.00  -66.71   94.29  -61.80   53.95
    3.00  -67.54  109.29  -59.42   66.50
    4.00  -67.15  124.29  -56.35   76.59
    5.00  -67.80  139.29  -54.99   87.23
    6.00  -67.68  154.29  -53.45   96.98
    7.00  -67.92  169.29  -52.75  106.89
    8.00  -68.75  184.29  -53.11  116.74
    9.00  -69.03  199.29  -53.46  126.20
   10.00  -68.75  214.29  -53.84  135.65
   11.00  -68.54  229.29  -54.85  145.27
   12.00  -68.55  244.29  -56.54  154.98
   13.00  -68.80  259.29  -58.83  164.67
   14.00  -69.28  274.29  -61.68  174.14
   15.00  -69.98  289.29  -65.12  183.18
   16.00  -70.72  304.29  -68.98  192.01
   17.00  -71.07  319.29  -72.83  202.00
   18.00  -71.12  334.29  -76.65  214.58
   19.00  -70.52  349.29  -80.00  234.65
   20.00  -69.64    4.29  -82.39  268.83
   21.00  -68.79   19.29  -82.17  315.98
   22.00  -68.07   34.29  -78.90  351.63
   23.00  -66.73   49.29  -73.53   11.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.58   64.29  -73.24   37.73
    1.00  -71.69   79.29  -70.24   52.70
    2.00  -72.53   94.29  -67.38   64.71
    3.00  -77.73  109.29  -68.78   83.96
    4.00  -79.74  124.29  -68.30   94.20
    5.00  -80.12  139.29  -67.04  100.60
    6.00  -79.37  154.29  -65.13  105.75
    7.00  -78.48  169.29  -63.41  111.67
    8.00  -78.57  184.29  -63.08  118.63
    9.00  -78.55  199.29  -63.05  125.56
   10.00  -78.49  214.29  -63.41  132.52
   11.00  -78.47  229.29  -64.24  139.45
   12.00  -78.71  244.29  -65.71  146.00
   13.00  -78.51  259.29  -67.17  152.93
   14.00  -78.38  274.29  -69.06  159.64
   15.00  -78.17  289.29  -71.25  166.35
   16.00  -78.12  304.29  -73.87  172.31
   17.00  -77.90  319.29  -76.72  178.29
   18.00  -78.79  334.29  -79.98  176.84
   19.00  -78.87  349.29  -82.99  174.35
   20.00  -78.01    4.29  -86.26  169.59
   21.00  -76.11   19.29  -89.08   57.71
   22.00  -73.47   34.29  -83.93   18.14
   23.00  -71.73   49.29  -78.44   27.43
</PRE>


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