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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>
11 Aug 1997 11:25:56 yearsecs  19221956
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.67  262.32  -52.91  172.43
    1.00  -62.27  277.32  -56.04  183.54
    2.00  -62.87  292.32  -59.56  194.79
    3.00  -63.45  307.32  -63.51  206.45
    4.00  -62.86  322.32  -66.71  221.13
    5.00  -63.99  337.32  -71.47  235.95
    6.00  -64.45  352.32  -75.23  256.81
    7.00  -65.07    7.32  -78.00  285.93
    8.00  -65.61   22.32  -78.29  321.89
    9.00  -64.97   37.32  -74.67  350.74
   10.00  -64.55   52.32  -70.19   10.63
   11.00  -64.36   67.32  -65.90   26.20
   12.00  -64.38   82.32  -62.13   40.11
   13.00  -64.63   97.32  -58.92   53.28
   14.00  -65.10  112.32  -56.33   65.75
   15.00  -65.80  127.32  -54.50   77.41
   16.00  -66.72  142.32  -53.56   88.43
   17.00  -67.86  157.32  -53.40   99.05
   18.00  -67.86  172.32  -52.56  108.84
   19.00  -67.19  187.32  -51.51  118.47
   20.00  -65.76  202.32  -50.33  128.32
   21.00  -64.67  217.32  -50.15  138.58
   22.00  -63.34  232.32  -50.33  149.45
   23.00  -62.18  247.32  -51.12  160.85
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.63  262.32  -60.01  165.87
    1.00  -70.73  277.32  -63.45  174.27
    2.00  -71.87  292.32  -67.28  181.93
    3.00  -73.02  307.32  -71.38  188.76
    4.00  -75.87  322.32  -76.52  188.01
    5.00  -77.02  337.32  -80.36  188.27
    6.00  -76.46  352.32  -83.84  196.42
    7.00  -75.60    7.32  -87.61  215.04
    8.00  -76.38   22.32  -88.23   58.38
    9.00  -76.15   37.32  -84.26   48.44
   10.00  -76.06   52.32  -80.24   53.52
   11.00  -75.79   67.32  -76.25   59.09
   12.00  -75.41   82.32  -72.40   65.26
   13.00  -75.27   97.32  -69.02   72.63
   14.00  -75.30  112.32  -66.23   80.40
   15.00  -74.81  127.32  -63.47   87.38
   16.00  -74.66  142.32  -61.53   95.12
   17.00  -73.15  157.32  -58.74  102.12
   18.00  -72.91  172.32  -57.64  110.56
   19.00  -73.56  187.32  -57.93  119.25
   20.00  -72.94  202.32  -57.43  127.72
   21.00  -70.99  217.32  -56.20  136.91
   22.00  -70.44  232.32  -56.92  146.26
   23.00  -69.45  247.32  -57.73  156.32
</PRE>


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