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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>
16 Feb 1997 20:01:54 yearsecs   4046514
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.25  135.85  -50.70   81.48
    1.00  -63.47  150.85  -49.43   92.37
    2.00  -64.15  165.85  -49.11  103.23
    3.00  -64.81  180.85  -49.22  113.80
    4.00  -64.55  195.85  -48.95  124.00
    5.00  -65.78  210.85  -50.76  134.00
    6.00  -66.08  225.85  -52.22  143.96
    7.00  -65.95  240.85  -53.75  154.22
    8.00  -66.65  255.85  -56.41  164.12
    9.00  -66.08  270.85  -58.29  175.19
   10.00  -65.68  285.85  -60.73  186.58
   11.00  -65.48  300.85  -63.79  198.33
   12.00  -65.51  315.85  -67.46  210.82
   13.00  -65.77  330.85  -71.48  225.05
   14.00  -66.25  345.85  -75.55  242.86
   15.00  -66.96    0.85  -79.20  268.05
   16.00  -67.89   15.85  -81.33  305.63
   17.00  -69.00   30.85  -80.66  347.07
   18.00  -68.97   45.85  -76.85   12.83
   19.00  -68.31   60.85  -72.00   28.15
   20.00  -67.05   75.85  -66.66   39.23
   21.00  -65.97   90.85  -61.82   49.98
   22.00  -64.85  105.85  -57.34   60.44
   23.00  -63.75  120.85  -53.38   70.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.11  135.85  -57.74   86.98
    1.00  -71.29  150.85  -57.37   97.08
    2.00  -72.31  165.85  -57.35  106.57
    3.00  -74.16  180.85  -58.63  115.77
    4.00  -76.93  195.85  -61.35  124.00
    5.00  -77.81  210.85  -62.59  131.17
    6.00  -77.06  225.85  -62.65  138.82
    7.00  -76.31  240.85  -63.20  146.92
    8.00  -77.19  255.85  -65.64  153.33
    9.00  -76.78  270.85  -67.33  161.19
   10.00  -76.81  285.85  -69.76  168.21
   11.00  -76.53  300.85  -72.33  175.85
   12.00  -76.34  315.85  -75.31  183.25
   13.00  -76.20  330.85  -78.62  190.46
   14.00  -76.40  345.85  -82.25  195.11
   15.00  -76.04    0.85  -85.96  203.34
   16.00  -76.01   15.85  -89.75  140.39
   17.00  -74.66   30.85  -85.58   25.08
   18.00  -74.59   45.85  -81.35   39.91
   19.00  -75.16   60.85  -77.57   52.83
   20.00  -74.46   75.85  -73.29   58.65
   21.00  -72.38   90.85  -68.03   62.18
   22.00  -71.35  105.85  -63.84   69.78
   23.00  -70.38  120.85  -60.16   77.91
</PRE>


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