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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>
15 Jul 1997 21:54:40 yearsecs  16926880
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.75   99.84  -50.55   47.09
    1.00  -58.22  114.84  -48.43   60.89
    2.00  -58.68  129.84  -46.65   73.72
    3.00  -59.14  144.84  -45.45   85.68
    4.00  -59.04  159.84  -44.22   97.02
    5.00  -59.88  174.84  -44.40  108.50
    6.00  -61.53  189.84  -45.87  119.66
    7.00  -62.80  204.84  -47.54  130.25
    8.00  -62.65  219.84  -48.43  140.82
    9.00  -62.02  234.84  -49.38  151.78
   10.00  -62.32  249.84  -51.61  162.64
   11.00  -61.93  264.84  -53.56  174.18
   12.00  -61.88  279.84  -56.16  185.87
   13.00  -62.09  294.84  -59.39  197.69
   14.00  -62.55  309.84  -63.30  209.86
   15.00  -63.23  324.84  -67.69  223.12
   16.00  -64.15  339.84  -72.22  238.86
   17.00  -65.29  354.84  -76.53  259.64
   18.00  -65.43    9.84  -78.55  291.50
   19.00  -64.29   24.84  -76.42  326.65
   20.00  -62.65   39.84  -71.23  351.39
   21.00  -61.47   54.84  -65.67    8.66
   22.00  -59.67   69.84  -59.40   21.57
   23.00  -58.56   84.84  -54.52   34.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.39   99.84  -66.93   69.87
    1.00  -74.17  114.84  -64.79   79.76
    2.00  -75.00  129.84  -63.31   88.96
    3.00  -75.53  144.84  -62.14   97.33
    4.00  -76.57  159.84  -61.99  105.84
    5.00  -77.69  174.84  -62.40  113.86
    6.00  -77.94  189.84  -62.37  121.11
    7.00  -77.31  204.84  -61.89  128.39
    8.00  -77.55  219.84  -62.75  135.60
    9.00  -77.80  234.84  -64.04  142.60
   10.00  -77.33  249.84  -65.06  150.26
   11.00  -76.94  264.84  -66.59  158.03
   12.00  -76.69  279.84  -68.66  165.66
   13.00  -76.52  294.84  -71.17  173.10
   14.00  -76.44  309.84  -74.09  180.19
   15.00  -76.15  324.84  -77.21  188.03
   16.00  -76.28  339.84  -80.76  193.80
   17.00  -76.05  354.84  -84.42  201.38
   18.00  -75.72    9.84  -88.30  214.17
   19.00  -75.22   24.84  -87.47   24.16
   20.00  -74.82   39.84  -83.14   36.82
   21.00  -73.89   54.84  -78.45   42.71
   22.00  -73.95   69.84  -74.45   53.21
   23.00  -73.13   84.84  -70.08   60.19
</PRE>


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