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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>
30 Apr 1997 23:48:46 yearsecs  10367326
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.38   71.28  -58.66   22.58
    1.00  -60.02   86.28  -56.06   37.40
    2.00  -60.66  101.28  -53.68   51.59
    3.00  -61.29  116.28  -51.55   64.91
    4.00  -60.54  131.28  -48.44   76.15
    5.00  -61.52  146.28  -47.80   88.03
    6.00  -62.76  161.28  -47.95   99.48
    7.00  -63.56  176.28  -48.08  110.37
    8.00  -63.93  191.28  -48.26  120.84
    9.00  -63.34  206.28  -48.15  131.21
   10.00  -62.87  221.28  -48.77  141.78
   11.00  -62.68  236.28  -50.17  152.55
   12.00  -62.72  251.28  -52.18  163.47
   13.00  -62.97  266.28  -54.75  174.49
   14.00  -63.46  281.28  -57.86  185.50
   15.00  -64.16  296.28  -61.59  196.43
   16.00  -65.10  311.28  -65.96  207.48
   17.00  -66.25  326.28  -70.75  219.31
   18.00  -66.26  341.28  -74.49  236.47
   19.00  -65.51  356.28  -77.00  261.88
   20.00  -63.91   11.28  -76.93  296.14
   21.00  -62.79   26.28  -74.41  328.64
   22.00  -61.18   41.28  -68.99  351.73
   23.00  -60.04   56.28  -63.40    8.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.85   71.28  -71.58   44.36
    1.00  -71.51   86.28  -68.34   57.15
    2.00  -72.39  101.28  -65.74   68.76
    3.00  -73.04  116.28  -63.49   78.77
    4.00  -74.78  131.28  -62.92   89.43
    5.00  -75.94  146.28  -62.41   98.48
    6.00  -75.98  161.28  -61.31  106.16
    7.00  -75.30  176.28  -59.92  113.64
    8.00  -75.74  191.28  -60.12  121.63
    9.00  -75.78  206.28  -60.39  129.44
   10.00  -75.56  221.28  -60.89  137.34
   11.00  -75.25  236.28  -61.78  145.46
   12.00  -74.99  251.28  -63.17  153.71
   13.00  -74.93  266.28  -65.15  161.85
   14.00  -74.83  281.28  -67.49  170.04
   15.00  -74.40  296.28  -70.00  179.03
   16.00  -74.38  311.28  -73.19  187.40
   17.00  -73.51  326.28  -76.18  199.50
   18.00  -73.31  341.28  -79.84  211.90
   19.00  -73.52  356.28  -83.83  227.63
   20.00  -73.05   11.28  -86.72  276.81
   21.00  -71.70   26.28  -84.37  345.85
   22.00  -71.58   41.28  -80.56   16.70
   23.00  -70.47   56.28  -75.37   29.88
</PRE>


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