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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>
28 Apr 1997 00:27:23 yearsecs  10110443
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.49   62.21  -67.42   21.34
    1.00  -64.05   77.21  -63.01   34.99
    2.00  -65.02   92.21  -60.50   49.62
    3.00  -65.99  107.21  -58.25   62.94
    4.00  -65.79  122.21  -55.28   73.78
    5.00  -66.81  137.21  -54.22   85.07
    6.00  -66.98  152.21  -52.90   95.21
    7.00  -66.83  167.21  -51.75  105.13
    8.00  -67.50  182.21  -51.89  115.19
    9.00  -67.10  197.21  -51.50  124.91
   10.00  -66.68  212.21  -51.72  134.74
   11.00  -66.49  227.21  -52.74  144.73
   12.00  -66.53  242.21  -54.45  154.83
   13.00  -66.79  257.21  -56.73  164.95
   14.00  -67.27  272.21  -59.57  174.96
   15.00  -67.98  287.21  -63.01  184.67
   16.00  -68.91  302.21  -67.04  193.96
   17.00  -69.91  317.21  -71.44  203.28
   18.00  -69.73  332.21  -75.09  216.95
   19.00  -69.16  347.21  -78.40  236.70
   20.00  -68.06    2.21  -80.51  268.42
   21.00  -67.04   17.21  -80.33  309.52
   22.00  -66.03   32.21  -77.08  343.47
   23.00  -65.13   47.21  -72.28    5.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.76   62.21  -73.05   33.41
    1.00  -70.85   77.21  -70.03   48.98
    2.00  -71.87   92.21  -67.26   61.94
    3.00  -75.42  107.21  -67.24   78.04
    4.00  -77.91  122.21  -67.00   89.86
    5.00  -78.41  137.21  -65.67   97.20
    6.00  -77.66  152.21  -63.60  103.09
    7.00  -76.98  167.21  -61.99  109.78
    8.00  -77.30  182.21  -61.81  117.30
    9.00  -77.25  197.21  -61.70  124.66
   10.00  -77.56  212.21  -62.39  131.91
   11.00  -77.32  227.21  -62.99  139.31
   12.00  -77.34  242.21  -64.27  146.58
   13.00  -77.12  257.21  -65.74  154.09
   14.00  -77.18  272.21  -67.85  161.10
   15.00  -76.85  287.21  -70.02  168.75
   16.00  -77.02  302.21  -72.88  174.99
   17.00  -76.36  317.21  -75.62  183.75
   18.00  -76.57  332.21  -79.06  189.11
   19.00  -76.46  347.21  -82.59  195.06
   20.00  -75.51    2.21  -86.24  212.19
   21.00  -73.42   17.21  -87.39  313.08
   22.00  -71.69   32.21  -83.05    1.31
   23.00  -70.28   47.21  -77.76   19.09
</PRE>


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