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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>
16 Apr 1997 01:10:52 yearsecs   9076252
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.25   52.81  -69.69   10.66
    1.00  -64.55   67.81  -66.00   27.03
    2.00  -65.68   82.81  -63.44   42.72
    3.00  -66.84   97.81  -61.13   56.90
    4.00  -66.82  112.81  -58.01   68.14
    5.00  -67.98  127.81  -56.66   79.80
    6.00  -68.54  142.81  -55.36   90.08
    7.00  -69.73  157.81  -55.26  100.36
    8.00  -71.88  172.81  -56.58  110.47
    9.00  -71.06  187.81  -55.40  119.23
   10.00  -69.95  202.81  -54.47  128.31
   11.00  -69.05  217.81  -54.37  137.79
   12.00  -68.52  232.81  -55.20  147.54
   13.00  -68.34  247.81  -56.80  157.44
   14.00  -68.48  262.81  -59.08  167.31
   15.00  -68.94  277.81  -62.02  176.91
   16.00  -69.43  292.81  -65.40  186.44
   17.00  -69.38  307.81  -68.73  197.21
   18.00  -69.38  322.81  -72.43  209.19
   19.00  -68.51  337.81  -75.56  226.47
   20.00  -67.46  352.81  -78.18  250.96
   21.00  -66.72    7.81  -79.79  284.91
   22.00  -66.18   22.81  -78.87  323.43
   23.00  -65.35   37.81  -74.99  352.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.63   52.81  -76.49   26.84
    1.00  -71.92   67.81  -73.44   44.84
    2.00  -72.84   82.81  -70.33   58.12
    3.00  -78.41   97.81  -71.25   81.08
    4.00  -80.37  112.81  -70.27   91.57
    5.00  -80.86  127.81  -68.84   97.71
    6.00  -80.32  142.81  -66.91  102.25
    7.00  -79.64  157.81  -65.17  107.51
    8.00  -79.33  172.81  -64.14  113.75
    9.00  -79.23  187.81  -63.71  120.36
   10.00  -78.90  202.81  -63.46  127.12
   11.00  -78.87  217.81  -63.95  133.94
   12.00  -79.04  232.81  -65.04  140.55
   13.00  -78.77  247.81  -66.11  147.49
   14.00  -78.51  262.81  -67.60  154.47
   15.00  -78.24  277.81  -69.47  161.43
   16.00  -77.99  292.81  -71.73  168.27
   17.00  -77.72  307.81  -74.35  174.97
   18.00  -78.78  322.81  -77.69  175.15
   19.00  -79.05  337.81  -80.70  175.20
   20.00  -78.28  352.81  -83.84  178.18
   21.00  -76.45    7.81  -87.71  192.47
   22.00  -73.59   22.81  -86.84  347.68
   23.00  -71.86   37.81  -81.75   12.90
</PRE>


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