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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>
13 Jul 1997 18:58:10 yearsecs  16743490
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.52  144.51  -47.97   86.72
    1.00  -63.33  159.51  -48.64   98.44
    2.00  -64.72  174.51  -49.30  109.42
    3.00  -68.53  189.51  -52.85  120.02
    4.00  -68.33  204.51  -52.93  129.53
    5.00  -69.14  219.51  -54.58  138.83
    6.00  -69.27  234.51  -56.07  148.25
    7.00  -69.67  249.51  -58.21  157.57
    8.00  -70.82  264.51  -61.38  166.03
    9.00  -71.42  279.51  -64.43  174.67
   10.00  -71.69  294.51  -67.59  183.65
   11.00  -70.77  309.51  -70.23  195.55
   12.00  -70.32  324.51  -73.58  208.22
   13.00  -70.21  339.51  -77.31  223.17
   14.00  -70.39  354.51  -81.13  243.82
   15.00  -70.83    9.51  -84.27  280.60
   16.00  -70.49   24.51  -83.44  335.20
   17.00  -69.72   39.51  -79.32    5.99
   18.00  -70.28   54.51  -75.70   27.42
   19.00  -69.50   69.51  -70.82   39.27
   20.00  -68.88   84.51  -66.33   50.14
   21.00  -66.92   99.51  -60.83   58.33
   22.00  -64.05  114.51  -54.81   66.26
   23.00  -62.39  129.51  -50.63   76.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.52  144.51  -53.13   89.77
    1.00  -68.33  159.51  -53.72  100.71
    2.00  -69.72  174.51  -54.34  110.80
    3.00  -75.98  189.51  -60.37  120.73
    4.00  -78.47  204.51  -63.07  127.99
    5.00  -79.07  219.51  -64.24  134.59
    6.00  -78.49  234.51  -64.65  141.82
    7.00  -77.69  249.51  -65.34  149.65
    8.00  -77.94  264.51  -67.36  156.20
    9.00  -77.89  279.51  -69.48  162.93
   10.00  -77.87  294.51  -71.96  169.29
   11.00  -77.81  309.51  -74.72  175.27
   12.00  -77.67  324.51  -77.72  180.94
   13.00  -77.12  339.51  -80.89  188.20
   14.00  -76.63  354.51  -84.39  194.99
   15.00  -75.99    9.51  -88.22  204.46
   16.00  -75.49   24.51  -87.65   30.36
   17.00  -74.72   39.51  -83.19   35.65
   18.00  -75.28   54.51  -79.32   49.90
   19.00  -74.50   69.51  -74.92   55.07
   20.00  -73.88   84.51  -70.76   62.00
   21.00  -71.92   99.51  -65.68   66.75
   22.00  -69.05  114.51  -59.94   72.10
   23.00  -67.39  129.51  -55.82   80.37
</PRE>


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