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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>
09 Apr 1997 14:39:00 yearsecs   8519940
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.58  216.60  -48.09  138.55
    1.00  -63.83  231.60  -50.71  148.75
    2.00  -64.65  246.60  -53.30  158.96
    3.00  -67.55  261.60  -58.08  167.34
    4.00  -67.23  276.60  -60.33  178.09
    5.00  -67.99  291.60  -63.92  187.78
    6.00  -68.05  306.60  -67.36  198.78
    7.00  -68.58  321.60  -71.50  209.98
    8.00  -69.81  336.60  -76.28  221.26
    9.00  -70.17  351.60  -80.27  239.74
   10.00  -69.63    6.60  -82.70  275.34
   11.00  -69.17   21.60  -82.38  323.35
   12.00  -68.99   36.60  -79.32  358.55
   13.00  -69.08   51.60  -75.37   20.36
   14.00  -69.43   66.60  -71.54   36.54
   15.00  -70.04   81.60  -68.17   50.38
   16.00  -70.64   96.60  -65.14   62.44
   17.00  -70.71  111.60  -62.11   72.46
   18.00  -70.81  126.60  -59.68   81.99
   19.00  -70.10  141.60  -57.06   90.54
   20.00  -69.20  156.60  -54.81   99.31
   21.00  -68.40  171.60  -53.13  108.55
   22.00  -66.39  186.60  -50.71  117.91
   23.00  -64.23  201.60  -48.80  127.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.58  216.60  -52.87  137.41
    1.00  -68.83  231.60  -55.35  146.62
    2.00  -69.65  246.60  -57.82  155.72
    3.00  -76.07  261.60  -65.43  157.76
    4.00  -78.25  276.60  -69.30  160.91
    5.00  -78.66  291.60  -71.93  165.92
    6.00  -77.76  306.60  -74.13  174.38
    7.00  -76.43  321.60  -76.61  185.42
    8.00  -76.38  336.60  -80.03  191.86
    9.00  -76.49  351.60  -83.67  195.95
   10.00  -76.32    6.60  -87.43  197.18
   11.00  -76.49   21.60  -88.36   64.54
   12.00  -76.88   36.60  -84.51   56.71
   13.00  -76.74   51.60  -80.64   57.70
   14.00  -76.59   66.60  -76.84   62.38
   15.00  -76.44   81.60  -73.24   68.30
   16.00  -76.29   96.60  -69.96   74.80
   17.00  -76.11  111.60  -67.06   81.60
   18.00  -77.43  126.60  -65.99   90.97
   19.00  -77.80  141.60  -64.65   98.32
   20.00  -76.93  156.60  -62.56  104.53
   21.00  -74.77  171.60  -59.56  110.93
   22.00  -71.39  186.60  -55.73  118.55
   23.00  -69.23  201.60  -53.72  127.63
</PRE>


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