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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>
09 Nov 1997 18:26:56 yearsecs  27023216
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.05  152.20  -50.93   94.14
    1.00  -64.40  167.20  -49.30  104.26
    2.00  -65.52  182.20  -49.90  114.84
    3.00  -66.63  197.20  -51.03  124.91
    4.00  -66.50  212.20  -51.54  134.77
    5.00  -67.49  227.20  -53.67  144.34
    6.00  -67.66  242.20  -55.48  154.16
    7.00  -67.57  257.20  -57.43  164.32
    8.00  -68.21  272.20  -60.39  173.96
    9.00  -67.90  287.20  -62.94  184.76
   10.00  -67.41  302.20  -65.78  196.48
   11.00  -67.15  317.20  -69.21  209.10
   12.00  -67.12  332.20  -72.99  223.66
   13.00  -67.32  347.20  -76.82  242.22
   14.00  -67.75    2.20  -80.20  269.21
   15.00  -68.40   17.20  -81.85  309.53
   16.00  -69.28   32.20  -80.66  350.84
   17.00  -70.17   47.20  -77.65   18.67
   18.00  -69.78   62.20  -73.08   33.46
   19.00  -69.34   77.20  -68.63   45.31
   20.00  -68.35   92.20  -63.95   55.08
   21.00  -67.40  107.20  -59.69   64.78
   22.00  -66.48  122.20  -56.00   74.47
   23.00  -65.70  137.20  -53.08   84.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.56  152.20  -58.53   98.78
    1.00  -73.58  167.20  -58.56  107.95
    2.00  -74.55  182.20  -59.01  116.60
    3.00  -78.20  197.20  -62.66  124.61
    4.00  -80.27  212.20  -65.12  130.80
    5.00  -80.65  227.20  -66.20  136.71
    6.00  -80.11  242.20  -66.78  143.37
    7.00  -79.65  257.20  -67.86  150.15
    8.00  -80.10  272.20  -70.00  155.06
    9.00  -79.87  287.20  -71.95  160.91
   10.00  -80.06  302.20  -74.40  164.83
   11.00  -79.64  317.20  -76.85  169.98
   12.00  -79.53  332.20  -79.62  172.30
   13.00  -79.34  347.20  -82.48  171.31
   14.00  -79.29    2.20  -85.08  158.63
   15.00  -78.94   17.20  -86.59  120.58
   16.00  -79.07   32.20  -84.78   84.84
   17.00  -78.63   47.20  -81.88   71.25
   18.00  -78.72   62.20  -78.58   71.98
   19.00  -78.53   77.20  -75.32   74.47
   20.00  -77.60   92.20  -71.76   76.51
   21.00  -75.80  107.20  -67.56   78.82
   22.00  -74.17  122.20  -63.60   83.75
   23.00  -72.96  137.20  -60.42   90.56
</PRE>


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