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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>
18 Apr 1997 22:51:46 yearsecs   9327106
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.99   86.45  -57.21   38.83
    1.00  -61.62  101.45  -54.74   52.87
    2.00  -62.25  116.45  -52.55   65.96
    3.00  -62.88  131.45  -50.88   77.99
    4.00  -62.17  146.45  -48.47   88.51
    5.00  -63.31  161.45  -48.51   99.82
    6.00  -64.12  176.45  -48.63  110.62
    7.00  -64.46  191.45  -48.80  121.00
    8.00  -65.04  206.45  -49.80  131.15
    9.00  -64.40  221.45  -50.24  141.49
   10.00  -64.03  236.45  -51.45  152.09
   11.00  -63.79  251.45  -53.20  162.95
   12.00  -63.83  266.45  -55.55  173.94
   13.00  -64.09  281.45  -58.46  185.00
   14.00  -64.57  296.45  -61.99  196.06
   15.00  -65.28  311.45  -66.16  207.35
   16.00  -66.21  326.45  -70.75  219.57
   17.00  -67.36  341.45  -75.49  234.05
   18.00  -67.28  356.45  -78.75  258.18
   19.00  -66.70   11.45  -79.99  294.29
   20.00  -65.22   26.45  -77.24  330.80
   21.00  -64.11   41.45  -72.60  355.74
   22.00  -62.70   56.45  -66.80   12.24
   23.00  -61.54   71.45  -61.41   25.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.28   86.45  -66.24   52.45
    1.00  -70.14  101.45  -63.60   64.85
    2.00  -71.09  116.45  -61.60   76.07
    3.00  -71.95  131.45  -60.14   86.17
    4.00  -74.39  146.45  -60.87   97.08
    5.00  -75.54  161.45  -60.85  105.95
    6.00  -75.17  176.45  -59.79  113.69
    7.00  -74.38  191.45  -58.74  121.63
    8.00  -75.11  206.45  -59.72  129.67
    9.00  -74.88  221.45  -60.23  137.77
   10.00  -74.65  236.45  -61.24  146.01
   11.00  -74.51  251.45  -62.77  154.33
   12.00  -74.25  266.45  -64.61  162.91
   13.00  -74.23  281.45  -67.06  171.23
   14.00  -74.30  296.45  -69.96  179.37
   15.00  -73.86  311.45  -72.89  189.02
   16.00  -73.79  326.45  -76.39  198.57
   17.00  -72.42  341.45  -79.35  216.43
   18.00  -72.28  356.45  -83.06  237.19
   19.00  -72.96   11.45  -86.65  278.34
   20.00  -72.43   26.45  -85.05  351.02
   21.00  -70.65   41.45  -79.69   12.71
   22.00  -70.26   56.45  -75.13   29.36
   23.00  -69.11   71.45  -69.91   39.96
</PRE>


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