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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>
16 Feb 1997 13:21:05 yearsecs   4022465
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.87  232.32  -44.12  151.77
    1.00  -57.21  247.32  -46.39  163.32
    2.00  -57.52  262.32  -49.04  175.07
    3.00  -57.83  277.32  -51.96  187.13
    4.00  -58.13  292.32  -55.17  199.51
    5.00  -58.85  307.32  -59.20  211.96
    6.00  -60.74  322.32  -64.72  224.06
    7.00  -62.30  337.32  -69.88  238.73
    8.00  -61.80  352.32  -72.59  261.00
    9.00  -61.29    7.32  -73.92  289.51
   10.00  -60.98   22.32  -72.87  320.30
   11.00  -60.88   37.32  -69.64  345.81
   12.00  -60.98   52.32  -65.72    5.19
   13.00  -61.30   67.32  -62.15   21.34
   14.00  -61.83   82.32  -59.16   36.23
   15.00  -62.57   97.32  -56.67   50.51
   16.00  -63.53  112.32  -54.67   64.00
   17.00  -64.71  127.32  -53.37   76.45
   18.00  -64.97  142.32  -51.76   87.25
   19.00  -63.61  157.32  -49.07   97.01
   20.00  -61.97  172.32  -46.60  107.16
   21.00  -60.76  187.32  -45.09  117.78
   22.00  -58.91  202.32  -43.62  128.69
   23.00  -57.80  217.32  -43.53  140.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.94  232.32  -58.32  145.45
    1.00  -72.84  247.32  -60.77  153.61
    2.00  -73.70  262.32  -63.53  161.33
    3.00  -74.16  277.32  -66.28  169.07
    4.00  -74.88  292.32  -69.56  175.80
    5.00  -76.12  307.32  -73.38  180.07
    6.00  -76.44  322.32  -76.78  185.68
    7.00  -75.58  337.32  -79.92  196.81
    8.00  -75.53  352.32  -83.66  205.36
    9.00  -75.84    7.32  -87.64  208.99
   10.00  -75.34   22.32  -88.20   21.42
   11.00  -75.00   37.32  -83.93   36.35
   12.00  -74.79   52.32  -79.66   45.75
   13.00  -74.60   67.32  -75.55   54.16
   14.00  -74.60   82.32  -71.82   62.79
   15.00  -74.42   97.32  -68.33   70.66
   16.00  -74.74  112.32  -65.74   79.39
   17.00  -74.94  127.32  -63.59   87.56
   18.00  -74.54  142.32  -61.42   95.00
   19.00  -73.60  157.32  -59.18  102.42
   20.00  -73.28  172.32  -58.02  110.71
   21.00  -72.54  187.32  -56.89  119.12
   22.00  -72.65  202.32  -57.14  127.76
   23.00  -71.80  217.32  -56.98  136.65
</PRE>


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