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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>
18 Jan 1997 14:07:42 yearsecs   1519662
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.11  217.33  -51.52  138.25
    1.00  -66.16  232.33  -52.96  148.30
    2.00  -66.96  247.33  -55.49  158.05
    3.00  -67.74  262.33  -58.36  167.67
    4.00  -67.34  277.33  -60.55  178.48
    5.00  -68.00  292.33  -64.08  188.29
    6.00  -67.93  307.33  -67.43  199.55
    7.00  -68.31  322.33  -71.46  211.24
    8.00  -69.46  337.33  -76.19  223.15
    9.00  -69.73  352.33  -80.09  242.70
   10.00  -69.47    7.33  -82.63  277.93
   11.00  -69.14   22.33  -82.26  325.45
   12.00  -69.06   37.33  -79.21    0.06
   13.00  -69.23   52.33  -75.31   21.66
   14.00  -69.65   67.33  -71.54   37.76
   15.00  -70.31   82.33  -68.23   51.53
   16.00  -70.94   97.33  -65.26   63.49
   17.00  -71.04  112.33  -62.29   73.42
   18.00  -71.17  127.33  -59.94   82.85
   19.00  -70.51  142.33  -57.40   91.32
   20.00  -69.65  157.33  -55.21  100.02
   21.00  -68.85  172.33  -53.56  109.16
   22.00  -68.23  187.33  -52.56  118.60
   23.00  -67.32  202.33  -51.86  128.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.61  217.33  -59.72  135.66
    1.00  -75.68  232.33  -61.83  143.06
    2.00  -76.45  247.33  -64.00  150.06
    3.00  -80.88  262.33  -69.40  149.82
    4.00  -82.45  277.33  -72.14  150.59
    5.00  -82.87  292.33  -74.10  152.47
    6.00  -82.48  307.33  -75.90  156.07
    7.00  -81.95  322.33  -77.95  159.12
    8.00  -81.71  337.33  -80.17  158.42
    9.00  -81.59  352.33  -82.22  151.98
   10.00  -81.29    7.33  -83.85  137.65
   11.00  -81.23   22.33  -83.99  114.34
   12.00  -81.34   37.33  -82.52   96.97
   13.00  -81.10   52.33  -80.40   87.17
   14.00  -80.87   67.33  -77.84   83.88
   15.00  -80.64   82.33  -75.16   84.36
   16.00  -80.41   97.33  -72.58   86.99
   17.00  -80.18  112.33  -70.20   90.93
   18.00  -81.02  127.33  -69.02   97.87
   19.00  -81.22  142.33  -67.78  103.45
   20.00  -80.61  157.33  -66.15  108.29
   21.00  -79.17  172.33  -63.99  113.44
   22.00  -76.90  187.33  -61.33  119.75
   23.00  -75.56  202.33  -60.06  127.41
</PRE>


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