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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>
28 Apr 1997 15:52:06 yearsecs  10165926
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.18  197.55  -50.60  125.14
    1.00  -66.03  212.55  -51.12  135.09
    2.00  -66.84  227.55  -53.10  144.82
    3.00  -67.64  242.55  -55.50  154.40
    4.00  -67.24  257.55  -57.18  164.83
    5.00  -67.87  272.55  -60.16  174.56
    6.00  -67.75  287.55  -62.87  185.22
    7.00  -67.90  302.55  -66.28  195.93
    8.00  -68.82  317.55  -70.67  206.00
    9.00  -68.99  332.55  -74.61  219.36
   10.00  -68.80  347.55  -78.18  238.39
   11.00  -68.61    2.55  -81.11  267.69
   12.00  -68.65   17.55  -82.11  310.61
   13.00  -68.90   32.55  -80.19  350.43
   14.00  -69.39   47.55  -76.80   16.39
   15.00  -70.09   62.55  -73.27   34.71
   16.00  -70.82   77.55  -69.91   49.16
   17.00  -71.12   92.55  -66.51   60.60
   18.00  -71.20  107.55  -63.36   70.62
   19.00  -70.59  122.55  -60.09   79.22
   20.00  -69.74  137.55  -57.16   87.71
   21.00  -68.91  152.55  -54.83   96.57
   22.00  -68.21  167.55  -53.13  105.86
   23.00  -67.31  182.55  -51.69  115.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.99  197.55  -56.37  125.04
    1.00  -73.05  212.55  -57.93  133.52
    2.00  -73.84  227.55  -59.69  141.63
    3.00  -78.76  242.55  -65.59  145.17
    4.00  -80.60  257.55  -68.67  148.62
    5.00  -80.97  272.55  -70.65  153.13
    6.00  -80.34  287.55  -72.27  159.64
    7.00  -79.49  302.55  -74.22  166.97
    8.00  -79.63  317.55  -76.91  170.13
    9.00  -79.55  332.55  -79.68  172.15
   10.00  -79.44  347.55  -82.51  170.37
   11.00  -79.42    2.55  -85.04  156.86
   12.00  -79.63   17.55  -85.85  120.45
   13.00  -79.43   32.55  -84.50   87.83
   14.00  -79.28   47.55  -81.72   76.16
   15.00  -79.08   62.55  -78.57   74.01
   16.00  -78.98   77.55  -75.43   76.43
   17.00  -78.76   92.55  -72.43   80.24
   18.00  -79.63  107.55  -70.49   87.89
   19.00  -79.74  122.55  -68.51   93.54
   20.00  -78.94  137.55  -66.12   98.11
   21.00  -77.20  152.55  -63.12  102.80
   22.00  -74.70  167.55  -59.67  108.70
   23.00  -73.08  182.55  -57.51  116.47
</PRE>


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