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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>
08 Apr 1997 23:12:06 yearsecs   8464326
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.75   82.72  -61.32   39.45
    1.00  -63.84   97.72  -57.99   52.52
    2.00  -64.71  112.72  -55.83   65.60
    3.00  -65.56  127.72  -54.20   77.48
    4.00  -65.34  142.72  -52.10   87.77
    5.00  -66.44  157.72  -51.93   98.60
    6.00  -66.65  172.72  -51.32  108.73
    7.00  -66.51  187.72  -50.83  118.66
    8.00  -67.19  202.72  -51.75  128.48
    9.00  -66.74  217.72  -52.16  138.35
   10.00  -66.32  232.72  -53.14  148.49
   11.00  -66.13  247.72  -54.79  158.84
   12.00  -66.16  262.72  -57.02  169.31
   13.00  -66.42  277.72  -59.81  179.78
   14.00  -66.90  292.72  -63.22  190.12
   15.00  -67.61  307.72  -67.25  200.41
   16.00  -68.54  322.72  -71.75  211.07
   17.00  -69.58  337.72  -76.38  223.22
   18.00  -69.45  352.72  -79.94  244.42
   19.00  -68.85    7.72  -82.03  280.63
   20.00  -67.70   22.72  -80.61  324.58
   21.00  -66.65   37.72  -76.51  354.46
   22.00  -65.61   52.72  -71.32   13.09
   23.00  -64.24   67.72  -65.66   26.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.75   82.72  -66.64   48.44
    1.00  -69.90   97.72  -64.19   61.85
    2.00  -70.94  112.72  -62.12   73.50
    3.00  -74.02  127.72  -62.66   86.53
    4.00  -76.74  142.72  -63.52   97.58
    5.00  -77.39  157.72  -62.94  105.45
    6.00  -76.56  172.72  -61.32  112.30
    7.00  -75.76  187.72  -60.15  119.77
    8.00  -76.45  202.72  -60.97  127.49
    9.00  -76.09  217.72  -61.20  135.25
   10.00  -76.19  232.72  -62.34  142.88
   11.00  -76.03  247.72  -63.67  150.71
   12.00  -76.00  262.72  -65.53  158.42
   13.00  -75.84  277.72  -67.67  166.30
   14.00  -76.00  292.72  -70.42  173.39
   15.00  -75.67  307.72  -73.20  181.64
   16.00  -75.81  322.72  -76.57  188.48
   17.00  -74.87  337.72  -79.72  200.98
   18.00  -75.02  352.72  -83.60  210.36
   19.00  -75.19    7.72  -87.61  226.05
   20.00  -74.31   22.72  -87.48  357.60
   21.00  -72.17   37.72  -82.03   14.52
   22.00  -70.62   52.72  -76.51   26.70
   23.00  -69.24   67.72  -71.05   37.03
</PRE>


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