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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>
29 Aug 1997 19:33:28 yearsecs  20806408
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.26  135.96  -44.38   77.71
    1.00  -57.67  150.96  -43.40   89.69
    2.00  -58.08  165.96  -42.91  101.35
    3.00  -58.49  180.96  -42.85  112.79
    4.00  -58.64  195.96  -43.11  123.99
    5.00  -59.46  210.96  -44.65  135.01
    6.00  -61.29  225.96  -47.71  145.58
    7.00  -62.78  240.96  -50.84  155.90
    8.00  -62.59  255.96  -52.76  167.02
    9.00  -61.95  270.96  -54.62  178.87
   10.00  -61.54  285.96  -57.04  191.06
   11.00  -61.35  300.96  -60.08  203.63
   12.00  -61.39  315.96  -63.74  216.97
   13.00  -61.65  330.96  -67.73  232.11
   14.00  -62.13  345.96  -71.67  250.66
   15.00  -62.84    0.96  -75.01  275.16
   16.00  -63.78   15.96  -76.71  306.91
   17.00  -64.94   30.96  -76.07  339.53
   18.00  -65.14   45.96  -72.62    3.75
   19.00  -63.80   60.96  -66.94   18.84
   20.00  -62.21   75.96  -61.14   30.94
   21.00  -61.02   90.96  -56.26   42.92
   22.00  -59.22  105.96  -51.14   54.12
   23.00  -58.12  120.96  -47.33   66.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.87  135.96  -59.48   88.73
    1.00  -72.80  150.96  -58.88   98.25
    2.00  -73.72  165.96  -58.76  107.32
    3.00  -74.27  180.96  -58.75  115.86
    4.00  -75.22  195.96  -59.61  124.08
    5.00  -76.48  210.96  -61.26  131.66
    6.00  -76.81  225.96  -62.41  139.04
    7.00  -76.05  240.96  -62.98  147.22
    8.00  -76.20  255.96  -64.81  154.71
    9.00  -76.57  270.96  -67.18  161.61
   10.00  -76.26  285.96  -69.38  169.50
   11.00  -76.13  300.96  -72.10  177.02
   12.00  -75.80  315.96  -75.06  185.23
   13.00  -75.49  330.96  -78.35  194.01
   14.00  -75.32  345.96  -81.97  203.26
   15.00  -74.97    0.96  -85.75  218.93
   16.00  -75.10   15.96  -89.25  301.87
   17.00  -74.99   30.96  -85.70   29.67
   18.00  -74.44   45.96  -81.24   38.98
   19.00  -73.73   60.96  -76.66   46.41
   20.00  -73.37   75.96  -72.45   55.19
   21.00  -72.50   90.96  -68.11   62.53
   22.00  -72.56  105.96  -64.94   71.92
   23.00  -71.64  120.96  -61.37   79.56
</PRE>


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