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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>
26 Jan 1997 19:17:56 yearsecs   2229476
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.05  147.30  -48.26   89.05
    1.00  -63.31  162.30  -48.46  100.42
    2.00  -64.29  177.30  -48.79  111.24
    3.00  -65.01  192.30  -49.35  121.60
    4.00  -64.76  207.30  -49.57  131.75
    5.00  -65.95  222.30  -51.78  141.62
    6.00  -66.23  237.30  -53.58  151.64
    7.00  -66.10  252.30  -55.40  162.05
    8.00  -66.79  267.30  -58.32  171.99
    9.00  -66.25  282.30  -60.53  183.29
   10.00  -65.84  297.30  -63.30  195.04
   11.00  -65.65  312.30  -66.69  207.48
   12.00  -65.68  327.30  -70.51  221.46
   13.00  -65.94  342.30  -74.44  238.55
   14.00  -66.42  357.30  -78.08  261.90
   15.00  -67.13   12.30  -80.48  296.13
   16.00  -68.06   27.30  -80.33  336.62
   17.00  -67.42   42.30  -76.19    3.45
   18.00  -67.46   57.30  -72.11   22.36
   19.00  -68.06   72.30  -68.64   38.24
   20.00  -67.22   87.30  -63.97   49.19
   21.00  -64.95  102.30  -58.18   57.74
   22.00  -63.72  117.30  -53.96   68.07
   23.00  -62.49  132.30  -50.36   78.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.05  147.30  -53.40   91.98
    1.00  -68.31  162.30  -53.53  102.51
    2.00  -69.42  177.30  -53.94  112.46
    3.00  -71.81  192.30  -56.15  121.96
    4.00  -74.92  207.30  -59.56  130.16
    5.00  -75.81  222.30  -61.20  137.75
    6.00  -74.87  237.30  -61.53  146.30
    7.00  -73.92  252.30  -62.36  155.42
    8.00  -74.83  267.30  -65.22  162.54
    9.00  -74.26  282.30  -67.23  171.65
   10.00  -74.10  297.30  -69.99  180.29
   11.00  -73.99  312.30  -73.16  189.15
   12.00  -73.87  327.30  -76.64  198.82
   13.00  -73.77  342.30  -80.35  210.34
   14.00  -74.07  357.30  -84.39  224.25
   15.00  -73.72   12.30  -87.51  276.79
   16.00  -73.80   27.30  -86.00    6.54
   17.00  -72.42   42.30  -80.96   22.56
   18.00  -72.46   57.30  -76.76   38.26
   19.00  -73.06   72.30  -73.16   51.79
   20.00  -72.27   87.30  -68.77   59.61
   21.00  -69.95  102.30  -63.24   65.11
   22.00  -68.72  117.30  -59.10   73.56
   23.00  -67.49  132.30  -55.54   82.34
</PRE>


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