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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>
15 Mar 1997 21:23:25 yearsecs   6384205
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.24  112.83  -55.33   65.17
    1.00  -63.94  127.83  -52.49   76.16
    2.00  -64.85  142.83  -51.58   87.52
    3.00  -65.75  157.83  -51.23   98.35
    4.00  -65.54  172.83  -50.19  108.49
    5.00  -66.60  187.83  -50.93  118.74
    6.00  -66.80  202.83  -51.36  128.58
    7.00  -66.65  217.83  -52.08  138.45
    8.00  -67.33  232.83  -54.09  148.11
    9.00  -66.89  247.83  -55.50  158.43
   10.00  -66.50  262.83  -57.34  169.11
   11.00  -66.29  277.83  -59.72  180.00
   12.00  -66.32  292.83  -62.75  190.99
   13.00  -66.58  307.83  -66.41  202.24
   14.00  -67.06  322.83  -70.56  214.34
   15.00  -67.77  337.83  -74.95  228.48
   16.00  -68.70  352.83  -79.31  247.25
   17.00  -69.72    7.83  -82.94  278.68
   18.00  -69.58   22.83  -82.69  327.72
   19.00  -68.99   37.83  -79.02    0.70
   20.00  -67.86   52.83  -73.77   18.37
   21.00  -66.82   67.83  -68.54   31.46
   22.00  -65.79   82.83  -63.56   42.93
   23.00  -64.85   97.83  -59.05   54.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.85  112.83  -64.84   78.12
    1.00  -74.86  127.83  -63.45   87.72
    2.00  -75.79  142.83  -62.59   96.57
    3.00  -78.42  157.83  -63.96  106.38
    4.00  -80.50  172.83  -65.33  114.43
    5.00  -81.04  187.83  -65.58  120.71
    6.00  -80.57  202.83  -65.18  126.81
    7.00  -80.17  217.83  -65.24  133.21
    8.00  -80.77  232.83  -66.67  138.84
    9.00  -80.61  247.83  -67.72  144.91
   10.00  -80.84  262.83  -69.42  150.08
   11.00  -80.73  277.83  -71.16  155.46
   12.00  -80.57  292.83  -73.17  160.51
   13.00  -80.28  307.83  -75.41  165.33
   14.00  -80.23  322.83  -77.96  167.96
   15.00  -79.85  337.83  -80.65  169.95
   16.00  -79.84  352.83  -83.29  164.09
   17.00  -79.12    7.83  -85.94  149.06
   18.00  -79.14   22.83  -86.05  103.88
   19.00  -79.07   37.83  -83.74   79.11
   20.00  -78.26   52.83  -80.61   68.26
   21.00  -76.53   67.83  -76.51   62.59
   22.00  -75.22   82.83  -72.15   64.94
   23.00  -74.13   97.83  -67.98   70.29
</PRE>


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