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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>
12 Mar 1997 16:53:59 yearsecs   6108839
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.17  180.84  -45.56  113.14
    1.00  -61.79  195.84  -46.22  123.95
    2.00  -62.41  210.84  -47.51  134.51
    3.00  -63.03  225.84  -49.35  144.96
    4.00  -62.37  240.84  -50.44  156.00
    5.00  -63.52  255.84  -53.59  166.32
    6.00  -64.28  270.84  -56.70  176.83
    7.00  -64.58  285.84  -59.75  187.83
    8.00  -65.17  300.84  -63.52  198.75
    9.00  -64.53  315.84  -66.59  212.39
   10.00  -64.17  330.84  -70.05  228.01
   11.00  -63.93  345.84  -73.38  247.56
   12.00  -63.96    0.84  -76.15  273.42
   13.00  -64.22   15.84  -77.22  306.52
   14.00  -64.70   30.84  -75.82  339.01
   15.00  -65.41   45.84  -72.97    4.09
   16.00  -66.34   60.84  -69.91   23.54
   17.00  -67.49   75.84  -67.13   40.12
   18.00  -67.49   90.84  -63.41   52.51
   19.00  -66.83  105.84  -59.40   63.01
   20.00  -65.37  120.84  -55.07   72.36
   21.00  -64.26  135.84  -51.76   82.20
   22.00  -62.87  150.84  -48.81   92.05
   23.00  -61.71  165.84  -46.62  102.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.48  180.84  -57.95  115.59
    1.00  -74.32  195.84  -58.70  124.02
    2.00  -75.22  210.84  -60.00  131.97
    3.00  -76.04  225.84  -61.67  139.45
    4.00  -78.11  240.84  -64.85  145.11
    5.00  -79.11  255.84  -67.26  150.47
    6.00  -78.93  270.84  -68.98  157.06
    7.00  -78.49  285.84  -70.89  164.14
    8.00  -79.21  300.84  -73.79  167.42
    9.00  -79.20  315.84  -76.48  171.68
   10.00  -79.19  330.84  -79.33  174.18
   11.00  -78.98  345.84  -82.29  174.60
   12.00  -78.60    0.84  -85.29  167.76
   13.00  -78.41   15.84  -87.17  125.70
   14.00  -78.32   30.84  -85.46   78.58
   15.00  -77.85   45.84  -82.22   65.17
   16.00  -77.65   60.84  -78.63   65.79
   17.00  -76.43   75.84  -74.55   65.66
   18.00  -76.18   90.84  -71.06   71.79
   19.00  -76.62  105.84  -68.48   79.92
   20.00  -76.08  120.84  -65.57   86.03
   21.00  -74.51  135.84  -62.10   91.51
   22.00  -74.08  150.84  -60.16   99.19
   23.00  -73.24  165.84  -58.29  107.01
</PRE>


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