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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>
18 Jun 1997 22:19:06 yearsecs  14595546
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.72   92.30  -61.22   50.76
    1.00  -66.08  107.30  -58.32   63.12
    2.00  -66.89  122.30  -56.40   74.95
    3.00  -67.70  137.30  -55.12   85.83
    4.00  -67.32  152.30  -53.24   95.46
    5.00  -68.00  167.30  -52.93  105.62
    6.00  -67.98  182.30  -52.37  115.33
    7.00  -68.42  197.30  -52.81  124.96
    8.00  -69.65  212.30  -54.59  134.20
    9.00  -69.97  227.30  -56.01  143.39
   10.00  -69.60  242.30  -57.25  153.01
   11.00  -69.21  257.30  -58.89  163.00
   12.00  -69.08  272.30  -61.17  173.04
   13.00  -69.22  287.30  -64.08  182.98
   14.00  -69.61  302.30  -67.64  192.76
   15.00  -70.25  317.30  -71.73  202.53
   16.00  -70.88  332.30  -75.96  213.51
   17.00  -70.97  347.30  -79.84  229.87
   18.00  -71.09    2.30  -83.40  257.28
   19.00  -70.41   17.30  -84.08  310.27
   20.00  -69.55   32.30  -80.92  351.94
   21.00  -68.74   47.30  -76.22   14.04
   22.00  -68.12   62.30  -71.41   29.11
   23.00  -67.05   77.30  -66.29   40.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.72   92.30  -66.20   59.61
    1.00  -71.89  107.30  -64.06   71.59
    2.00  -72.70  122.30  -62.18   81.75
    3.00  -78.23  137.30  -65.49   96.98
    4.00  -80.15  152.30  -66.02  105.78
    5.00  -80.58  167.30  -65.61  112.24
    6.00  -79.94  182.30  -64.51  118.13
    7.00  -78.99  197.30  -63.47  124.62
    8.00  -79.18  212.30  -64.02  131.31
    9.00  -79.07  227.30  -64.69  138.07
   10.00  -78.60  242.30  -65.43  145.24
   11.00  -78.55  257.30  -66.96  151.99
   12.00  -78.82  272.30  -69.10  157.89
   13.00  -78.64  287.30  -71.22  164.33
   14.00  -78.45  302.30  -73.68  170.46
   15.00  -78.27  317.30  -76.45  176.07
   16.00  -78.09  332.30  -79.48  180.73
   17.00  -77.89  347.30  -82.71  183.18
   18.00  -79.00    2.30  -85.30  161.34
   19.00  -79.28   17.30  -86.23  120.72
   20.00  -78.48   32.30  -85.09   78.57
   21.00  -76.66   47.30  -81.72   55.89
   22.00  -73.82   62.30  -76.36   47.76
   23.00  -72.05   77.30  -71.05   52.25
</PRE>


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