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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 Apr 1997 13:56:23 yearsecs  10245383
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.42  227.25  -51.75  145.14
    1.00  -65.57  242.25  -53.58  155.38
    2.00  -66.49  257.25  -56.47  165.21
    3.00  -67.41  272.25  -59.71  174.84
    4.00  -67.16  287.25  -62.31  185.77
    5.00  -68.00  302.25  -66.30  195.54
    6.00  -68.18  317.25  -70.07  207.10
    7.00  -68.88  332.25  -74.44  219.37
    8.00  -70.27  347.25  -79.30  232.69
    9.00  -70.07    2.25  -82.46  261.87
   10.00  -69.47   17.25  -83.04  309.82
   11.00  -68.96   32.25  -80.32  349.97
   12.00  -68.74   47.25  -76.24   13.99
   13.00  -68.81   62.25  -72.12   30.82
   14.00  -69.14   77.25  -68.42   44.88
   15.00  -69.74   92.25  -65.29   57.66
   16.00  -70.33  107.25  -62.59   69.06
   17.00  -70.39  122.25  -59.93   78.79
   18.00  -70.47  137.25  -57.94   88.18
   19.00  -69.74  152.25  -55.69   96.89
   20.00  -68.83  167.25  -53.77  105.91
   21.00  -68.07  182.25  -52.46  115.32
   22.00  -67.48  197.25  -51.87  124.93
   23.00  -66.60  212.25  -51.64  134.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.66  227.25  -59.49  141.56
    1.00  -74.81  242.25  -61.97  149.03
    2.00  -75.64  257.25  -64.49  156.10
    3.00  -80.35  272.25  -70.19  154.50
    4.00  -82.03  287.25  -73.11  154.33
    5.00  -82.48  302.25  -75.22  155.48
    6.00  -81.92  317.25  -77.22  159.27
    7.00  -81.04  332.25  -79.54  163.37
    8.00  -80.97  347.25  -81.89  159.21
    9.00  -80.86    2.25  -83.85  146.75
   10.00  -80.55   17.25  -84.87  122.00
   11.00  -80.50   32.25  -83.78   96.66
   12.00  -80.62   47.25  -81.41   85.90
   13.00  -80.38   62.25  -78.74   81.27
   14.00  -80.13   77.25  -75.90   81.31
   15.00  -79.89   92.25  -73.12   83.86
   16.00  -79.65  107.25  -70.55   87.85
   17.00  -79.41  122.25  -68.27   92.75
   18.00  -80.35  137.25  -67.44  100.18
   19.00  -80.65  152.25  -66.51  106.35
   20.00  -80.00  167.25  -65.04  111.79
   21.00  -78.47  182.25  -63.01  117.65
   22.00  -76.07  197.25  -60.49  124.73
   23.00  -74.66  212.25  -59.50  132.89
</PRE>


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