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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>
26 Mar 1997 17:26:19 yearsecs   7320379
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.70  171.24  -47.39  106.58
    1.00  -63.22  186.24  -47.55  117.28
    2.00  -63.77  201.24  -48.33  127.69
    3.00  -64.30  216.24  -49.71  137.93
    4.00  -64.01  231.24  -50.84  148.42
    5.00  -65.33  246.24  -53.88  158.30
    6.00  -65.69  261.24  -56.37  168.65
    7.00  -65.57  276.24  -58.79  179.60
    8.00  -66.27  291.24  -62.36  189.86
    9.00  -65.64  306.24  -65.20  202.42
   10.00  -65.24  321.24  -68.58  216.25
   11.00  -65.03  336.24  -72.17  232.68
   12.00  -65.07  351.24  -75.61  253.83
   13.00  -65.33    6.24  -78.19  283.11
   14.00  -65.81   21.24  -78.63  319.44
   15.00  -66.52   36.24  -76.72  351.67
   16.00  -67.45   51.24  -73.78   15.45
   17.00  -68.60   66.24  -70.82   34.06
   18.00  -68.64   81.24  -66.90   47.02
   19.00  -67.94   96.24  -62.60   57.43
   20.00  -66.61  111.24  -58.09   66.73
   21.00  -65.51  126.24  -54.36   76.39
   22.00  -64.33  141.24  -51.22   86.07
   23.00  -63.15  156.24  -48.68   96.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.93  171.24  -56.70  109.56
    1.00  -73.10  186.24  -57.47  118.58
    2.00  -74.09  201.24  -58.55  127.00
    3.00  -75.16  216.24  -60.20  134.86
    4.00  -77.83  231.24  -63.77  140.87
    5.00  -78.81  246.24  -65.99  146.74
    6.00  -78.20  261.24  -67.15  154.30
    7.00  -77.56  276.24  -68.74  162.20
    8.00  -78.53  291.24  -71.79  166.15
    9.00  -78.23  306.24  -74.29  172.62
   10.00  -78.30  321.24  -77.25  177.06
   11.00  -78.11  336.24  -80.32  181.23
   12.00  -77.77  351.24  -83.59  183.65
   13.00  -77.60    6.24  -86.86  171.67
   14.00  -77.75   21.24  -87.53   95.63
   15.00  -77.34   36.24  -84.57   62.03
   16.00  -77.17   51.24  -80.83   60.55
   17.00  -75.62   66.24  -76.44   57.83
   18.00  -75.39   81.24  -72.64   64.65
   19.00  -76.11   96.24  -69.90   74.17
   20.00  -75.52  111.24  -66.61   80.27
   21.00  -73.56  126.24  -62.43   85.12
   22.00  -72.80  141.24  -59.81   92.70
   23.00  -72.04  156.24  -57.69  100.78
</PRE>


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