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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>
08 Oct 1997 19:53:38 yearsecs  24263618
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.76  130.18  -53.02   78.55
    1.00  -64.18  145.18  -50.66   88.75
    2.00  -65.21  160.18  -50.52   99.72
    3.00  -66.24  175.18  -50.82  110.27
    4.00  -66.06  190.18  -50.38  120.25
    5.00  -67.04  205.18  -51.69  130.10
    6.00  -67.18  220.18  -52.76  139.85
    7.00  -67.02  235.18  -54.07  149.82
    8.00  -67.69  250.18  -56.53  159.48
    9.00  -67.32  265.18  -58.44  170.01
   10.00  -66.96  280.18  -60.75  180.94
   11.00  -66.71  295.18  -63.60  192.21
   12.00  -66.75  310.18  -67.12  203.87
   13.00  -67.01  325.18  -71.11  216.70
   14.00  -67.49  340.18  -75.29  232.09
   15.00  -68.20  355.18  -79.36  253.15
   16.00  -69.13   10.18  -82.54  287.30
   17.00  -70.10   25.18  -82.92  336.00
   18.00  -69.90   40.18  -79.32    7.72
   19.00  -69.35   55.18  -74.63   25.16
   20.00  -68.28   70.18  -69.43   36.87
   21.00  -67.27   85.18  -64.54   47.55
   22.00  -66.29  100.18  -60.04   57.93
   23.00  -65.43  115.18  -56.13   68.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.11  130.18  -63.38   89.29
    1.00  -75.88  145.18  -62.45   97.86
    2.00  -76.77  160.18  -62.16  106.16
    3.00  -79.74  175.18  -64.48  115.00
    4.00  -81.59  190.18  -66.14  121.73
    5.00  -82.00  205.18  -66.68  127.37
    6.00  -81.60  220.18  -66.76  133.20
    7.00  -81.28  235.18  -67.31  139.18
    8.00  -81.76  250.18  -68.91  143.91
    9.00  -81.66  265.18  -70.28  149.12
   10.00  -81.93  280.18  -72.18  152.85
   11.00  -81.83  295.18  -74.07  156.77
   12.00  -81.96  310.18  -76.20  158.60
   13.00  -81.90  325.18  -78.37  159.29
   14.00  -81.73  340.18  -80.56  157.41
   15.00  -81.35  355.18  -82.71  151.20
   16.00  -81.34   10.18  -83.94  133.36
   17.00  -80.85   25.18  -84.20  108.55
   18.00  -80.89   40.18  -82.41   91.84
   19.00  -80.59   55.18  -80.03   83.28
   20.00  -79.75   70.18  -77.15   78.44
   21.00  -78.15   85.18  -73.50   75.64
   22.00  -76.74  100.18  -69.61   77.60
   23.00  -75.59  115.18  -66.01   82.38
</PRE>


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