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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>
31 Aug 1997 22:30:28 yearsecs  20989828
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.33   92.29  -60.81   50.15
    1.00  -66.07  107.29  -58.31   63.09
    2.00  -66.88  122.29  -56.39   74.93
    3.00  -67.69  137.29  -55.11   85.82
    4.00  -67.31  152.29  -53.23   95.45
    5.00  -67.98  167.29  -52.91  105.60
    6.00  -67.93  182.29  -52.32  115.32
    7.00  -68.33  197.29  -52.72  124.95
    8.00  -69.50  212.29  -54.44  134.23
    9.00  -70.10  227.29  -56.13  143.32
   10.00  -70.11  242.29  -57.71  152.67
   11.00  -69.60  257.29  -59.24  162.63
   12.00  -69.41  272.29  -61.45  172.65
   13.00  -69.49  287.29  -64.31  182.58
   14.00  -69.83  302.29  -67.81  192.34
   15.00  -70.43  317.29  -71.86  202.09
   16.00  -71.02  332.29  -76.06  213.02
   17.00  -71.09  347.29  -79.93  229.32
   18.00  -71.19    2.29  -83.49  256.70
   19.00  -70.50   17.29  -84.18  310.26
   20.00  -69.62   32.29  -81.01  352.17
   21.00  -68.78   47.29  -76.27   14.15
   22.00  -68.10   62.29  -71.39   29.05
   23.00  -66.71   77.29  -65.94   39.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.33   92.29  -65.83   58.83
    1.00  -71.49  107.29  -63.69   70.93
    2.00  -72.28  122.29  -61.79   81.19
    3.00  -77.92  137.29  -65.20   96.54
    4.00  -79.86  152.29  -65.75  105.44
    5.00  -80.26  167.29  -65.30  112.00
    6.00  -79.55  182.29  -64.11  118.00
    7.00  -78.48  197.29  -62.95  124.64
    8.00  -78.53  212.29  -63.37  131.57
    9.00  -78.49  227.29  -64.13  138.51
   10.00  -78.22  242.29  -65.08  145.66
   11.00  -78.31  257.29  -66.76  152.36
   12.00  -78.60  272.29  -68.93  158.35
   13.00  -78.43  287.29  -71.08  164.88
   14.00  -78.25  302.29  -73.57  171.12
   15.00  -78.08  317.29  -76.38  176.88
   16.00  -77.90  332.29  -79.44  181.78
   17.00  -77.71  347.29  -82.71  184.66
   18.00  -78.85    2.29  -85.40  162.94
   19.00  -79.14   17.29  -86.38  120.57
   20.00  -78.34   32.29  -85.16   76.92
   21.00  -76.48   47.29  -81.68   54.49
   22.00  -73.56   62.29  -76.19   46.66
   23.00  -71.71   77.29  -70.77   51.31
</PRE>


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