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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>
24 Mar 1997 14:30:50 yearsecs   7137050
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.38  217.98  -47.05  139.79
    1.00  -61.98  232.98  -49.13  150.45
    2.00  -62.59  247.98  -51.60  161.12
    3.00  -63.20  262.98  -54.41  171.84
    4.00  -62.59  277.98  -56.45  183.77
    5.00  -63.77  292.98  -60.51  194.30
    6.00  -64.47  307.98  -64.59  205.60
    7.00  -64.71  322.98  -68.56  218.86
    8.00  -65.32  337.98  -72.85  234.26
    9.00  -64.74  352.98  -75.64  257.42
   10.00  -64.26    7.98  -77.18  288.34
   11.00  -64.07   22.98  -76.42  322.58
   12.00  -64.11   37.98  -73.48  350.51
   13.00  -64.37   52.98  -69.79   11.07
   14.00  -64.85   67.98  -66.30   27.73
   15.00  -65.56   82.98  -63.27   42.65
   16.00  -66.49   97.98  -60.73   56.50
   17.00  -67.64  112.98  -58.81   69.26
   18.00  -67.65  127.98  -56.30   79.59
   19.00  -66.98  142.98  -53.75   89.06
   20.00  -65.53  157.98  -50.99   98.35
   21.00  -64.43  172.98  -49.06  108.29
   22.00  -63.07  187.98  -47.40  118.48
   23.00  -61.90  202.98  -46.57  129.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.06  217.98  -57.27  136.96
    1.00  -72.96  232.98  -59.33  145.23
    2.00  -73.89  247.98  -61.79  153.03
    3.00  -74.76  262.98  -64.53  160.31
    4.00  -77.03  277.98  -68.62  164.08
    5.00  -78.07  292.98  -71.81  168.11
    6.00  -77.77  307.98  -74.40  174.86
    7.00  -77.20  322.98  -77.23  182.63
    8.00  -77.86  337.98  -80.67  183.04
    9.00  -77.81  352.98  -83.97  182.76
   10.00  -77.74    7.98  -87.09  164.73
   11.00  -77.49   22.98  -87.47   84.28
   12.00  -77.15   37.98  -84.15   59.53
   13.00  -77.02   52.98  -80.36   59.98
   14.00  -77.02   67.98  -76.71   64.90
   15.00  -76.57   82.98  -73.02   69.37
   16.00  -76.42   97.98  -69.79   75.80
   17.00  -75.10  112.98  -65.94   80.38
   18.00  -74.89  127.98  -63.45   87.84
   19.00  -75.45  142.98  -62.24   96.29
   20.00  -74.91  157.98  -60.45  103.69
   21.00  -73.23  172.98  -57.94  111.07
   22.00  -72.78  187.98  -57.13  119.53
   23.00  -71.89  202.98  -56.40  128.22
</PRE>


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