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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 Jul 1997 23:25:36 yearsecs  17018736
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.01   77.82  -65.05   38.95
    1.00  -66.11   92.82  -61.51   51.79
    2.00  -66.94  107.82  -59.10   64.63
    3.00  -67.78  122.82  -57.23   76.23
    4.00  -67.45  137.82  -54.80   85.97
    5.00  -68.19  152.82  -54.08   96.30
    6.00  -68.26  167.82  -53.16  106.05
    7.00  -68.88  182.82  -53.27  115.82
    8.00  -70.27  197.82  -54.66  125.24
    9.00  -69.21  212.82  -54.20  134.62
   10.00  -68.72  227.82  -54.89  144.24
   11.00  -68.61  242.82  -56.41  153.98
   12.00  -68.64  257.82  -58.47  163.83
   13.00  -68.88  272.82  -61.08  173.62
   14.00  -69.34  287.82  -64.29  183.16
   15.00  -70.02  302.82  -68.09  192.35
   16.00  -70.68  317.82  -72.17  201.88
   17.00  -70.79  332.82  -76.03  214.27
   18.00  -70.92  347.82  -79.94  230.78
   19.00  -70.24    2.82  -82.72  262.61
   20.00  -69.39   17.82  -82.93  311.66
   21.00  -68.68   32.82  -79.89  350.33
   22.00  -68.09   47.82  -75.41   12.86
   23.00  -67.20   62.82  -70.30   27.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.64   77.82  -71.41   54.25
    1.00  -73.76   92.82  -68.75   66.57
    2.00  -74.55  107.82  -66.37   76.63
    3.00  -79.54  122.82  -68.31   93.23
    4.00  -81.29  137.82  -68.23  101.97
    5.00  -81.72  152.82  -67.50  107.90
    6.00  -81.21  167.82  -66.24  112.94
    7.00  -80.49  182.82  -65.07  118.53
    8.00  -80.16  197.82  -64.68  124.77
    9.00  -79.89  212.82  -64.76  131.23
   10.00  -79.65  227.82  -65.27  137.83
   11.00  -79.70  242.82  -66.47  144.14
   12.00  -79.92  257.82  -68.15  149.93
   13.00  -79.74  272.82  -69.83  156.10
   14.00  -79.55  287.82  -71.86  162.03
   15.00  -79.36  302.82  -74.20  167.51
   16.00  -79.17  317.82  -76.84  172.27
   17.00  -78.96  332.82  -79.70  175.67
   18.00  -79.95  347.82  -82.40  166.30
   19.00  -80.21    2.82  -84.46  150.18
   20.00  -79.53   17.82  -85.95  119.58
   21.00  -77.92   32.82  -85.22   71.36
   22.00  -75.36   47.82  -81.17   46.54
   23.00  -73.78   62.82  -76.20   47.95
</PRE>


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