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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>
07 Nov 1997 13:47:08 yearsecs  26833628
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.10  217.46  -43.83  140.09
    1.00  -58.60  232.46  -45.83  151.29
    2.00  -59.11  247.46  -48.25  162.53
    3.00  -59.61  262.46  -51.03  173.90
    4.00  -59.40  277.46  -53.44  186.05
    5.00  -60.28  292.46  -57.21  197.61
    6.00  -61.87  307.46  -62.10  208.62
    7.00  -63.08  322.46  -66.95  220.93
    8.00  -63.12  337.46  -70.69  237.60
    9.00  -62.49  352.46  -73.31  260.25
   10.00  -62.06    7.46  -74.77  289.19
   11.00  -61.87   22.46  -73.91  320.75
   12.00  -61.91   37.46  -70.91  347.03
   13.00  -62.17   52.46  -67.22    6.96
   14.00  -62.65   67.46  -63.81   23.50
   15.00  -63.36   82.46  -60.93   38.61
   16.00  -64.29   97.46  -58.52   52.91
   17.00  -65.44  112.46  -56.65   66.24
   18.00  -65.56  127.46  -54.24   77.30
   19.00  -64.50  142.46  -51.26   87.04
   20.00  -62.87  157.46  -48.31   96.79
   21.00  -61.71  172.46  -46.33  107.19
   22.00  -59.99  187.46  -44.32  117.80
   23.00  -58.87  202.46  -43.58  128.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.50  217.46  -59.62  135.77
    1.00  -75.28  232.46  -61.46  143.41
    2.00  -76.12  247.46  -63.73  150.48
    3.00  -76.71  262.46  -66.08  157.23
    4.00  -77.84  277.46  -69.13  162.16
    5.00  -78.93  292.46  -72.24  165.44
    6.00  -79.22  307.46  -74.96  169.37
    7.00  -78.99  322.46  -77.68  174.07
    8.00  -78.92  337.46  -80.63  176.07
    9.00  -78.93  352.46  -83.59  172.25
   10.00  -78.48    7.46  -86.44  156.19
   11.00  -78.08   22.46  -87.07   95.15
   12.00  -77.76   37.46  -84.21   66.25
   13.00  -77.54   52.46  -80.60   63.29
   14.00  -77.38   67.46  -76.98   66.38
   15.00  -77.02   82.46  -73.41   70.65
   16.00  -77.05   97.46  -70.36   77.18
   17.00  -76.67  112.46  -67.39   83.11
   18.00  -76.33  127.46  -64.88   89.65
   19.00  -75.93  142.46  -62.76   96.54
   20.00  -75.60  157.46  -61.17  103.91
   21.00  -74.78  172.46  -59.53  111.39
   22.00  -74.88  187.46  -59.26  119.51
   23.00  -74.16  202.46  -58.66  127.66
</PRE>


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