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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>
03 May 1997 18:10:34 yearsecs  10606234
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.81  155.97  -46.29   94.82
    1.00  -61.43  170.97  -46.11  106.04
    2.00  -62.06  185.97  -46.40  116.95
    3.00  -62.69  200.97  -47.27  127.55
    4.00  -61.97  215.97  -47.45  138.22
    5.00  -63.10  230.97  -49.96  148.58
    6.00  -63.92  245.97  -52.55  158.92
    7.00  -64.28  260.97  -55.07  169.55
    8.00  -64.88  275.97  -58.13  180.09
    9.00  -64.40  290.97  -60.65  191.97
   10.00  -63.81  305.97  -63.52  204.82
   11.00  -63.53  320.97  -66.99  218.77
   12.00  -63.58  335.97  -70.77  235.00
   13.00  -63.85  350.97  -74.38  255.65
   14.00  -64.35    5.97  -77.13  283.75
   15.00  -65.07   20.97  -77.82  318.51
   16.00  -66.02   35.97  -76.21  350.27
   17.00  -67.19   50.97  -73.57   14.50
   18.00  -67.19   65.97  -69.44   30.50
   19.00  -66.54   80.97  -64.82   42.68
   20.00  -65.05   95.97  -59.67   52.77
   21.00  -63.95  110.97  -55.37   63.40
   22.00  -62.53  125.97  -51.29   73.61
   23.00  -61.36  140.97  -48.16   84.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.39  155.97  -56.06   99.60
    1.00  -71.22  170.97  -56.00  109.13
    2.00  -72.15  185.97  -56.51  118.28
    3.00  -72.97  200.97  -57.43  126.95
    4.00  -75.28  215.97  -60.30  134.67
    5.00  -76.37  230.97  -62.37  141.86
    6.00  -76.03  245.97  -63.49  149.81
    7.00  -75.27  260.97  -64.67  158.54
    8.00  -75.89  275.97  -67.42  165.33
    9.00  -75.52  290.97  -69.76  173.65
   10.00  -74.84  305.97  -72.31  183.17
   11.00  -75.28  320.97  -75.91  189.69
   12.00  -75.25  335.97  -79.46  197.93
   13.00  -75.26  350.97  -83.23  206.92
   14.00  -75.31    5.97  -87.18  220.08
   15.00  -74.88   20.97  -88.29    0.99
   16.00  -74.78   35.97  -84.21   32.89
   17.00  -73.47   50.97  -79.26   37.47
   18.00  -73.31   65.97  -75.01   48.27
   19.00  -73.92   80.97  -71.63   59.98
   20.00  -73.39   95.97  -67.75   67.58
   21.00  -71.68  110.97  -63.16   73.53
   22.00  -71.32  125.97  -60.29   82.19
   23.00  -70.20  140.97  -57.24   90.23
</PRE>


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