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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>
27 Aug 1997 13:15:08 yearsecs  20610908
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.10  236.51  -50.59  152.54
    1.00  -64.27  251.51  -53.63  162.69
    2.00  -65.20  266.51  -56.78  172.84
    3.00  -67.35  281.51  -61.34  181.42
    4.00  -67.03  296.51  -64.16  192.76
    5.00  -67.76  311.51  -68.30  203.17
    6.00  -67.71  326.51  -72.03  216.48
    7.00  -67.85  341.51  -75.92  232.84
    8.00  -68.24  356.51  -79.67  255.58
    9.00  -68.54   11.51  -81.99  292.29
   10.00  -68.27   26.51  -80.70  335.11
   11.00  -68.09   41.51  -77.12    4.01
   12.00  -68.13   56.51  -73.03   23.18
   13.00  -68.39   71.51  -69.19   38.31
   14.00  -68.88   86.51  -65.83   51.68
   15.00  -69.58  101.51  -63.06   63.97
   16.00  -70.38  116.51  -60.89   75.14
   17.00  -70.90  131.51  -59.09   85.08
   18.00  -70.86  146.51  -57.34   94.15
   19.00  -70.29  161.51  -55.57  102.95
   20.00  -69.39  176.51  -53.94  111.96
   21.00  -68.51  191.51  -52.83  121.29
   22.00  -66.20  206.51  -50.93  131.06
   23.00  -64.27  221.51  -50.12  141.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.10  236.51  -55.20  150.16
    1.00  -69.27  251.51  -58.12  159.17
    2.00  -70.20  266.51  -61.17  167.98
    3.00  -75.75  281.51  -68.23  168.39
    4.00  -78.06  296.51  -72.43  169.53
    5.00  -78.42  311.51  -75.38  173.66
    6.00  -77.57  326.51  -78.12  182.03
    7.00  -76.97  341.51  -81.32  189.75
    8.00  -77.04  356.51  -84.87  190.14
    9.00  -76.97   11.51  -88.26  165.47
   10.00  -77.04   26.51  -86.98   66.21
   11.00  -76.97   41.51  -83.26   57.47
   12.00  -77.22   56.51  -79.55   62.18
   13.00  -77.01   71.51  -75.87   66.18
   14.00  -76.93   86.51  -72.49   72.07
   15.00  -76.69  101.51  -69.32   78.08
   16.00  -76.74  116.51  -66.81   85.13
   17.00  -76.50  131.51  -64.52   91.85
   18.00  -77.33  146.51  -63.75  100.06
   19.00  -77.25  161.51  -62.56  107.17
   20.00  -76.16  176.51  -60.79  114.07
   21.00  -73.97  191.51  -58.32  121.63
   22.00  -71.20  206.51  -55.83  130.39
   23.00  -69.27  221.51  -54.86  140.04
</PRE>


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