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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>
03 Jan 1997 12:06:29 yearsecs    216389
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.06  245.64  -50.79  159.68
    1.00  -63.18  260.64  -54.02  170.11
    2.00  -64.00  275.64  -57.30  180.68
    3.00  -67.43  290.64  -63.24  187.87
    4.00  -67.06  305.64  -66.29  199.71
    5.00  -67.74  320.64  -70.57  210.96
    6.00  -67.65  335.64  -74.30  226.24
    7.00  -67.91  350.64  -78.13  245.99
    8.00  -68.62    5.64  -81.55  275.52
    9.00  -68.75   20.64  -82.02  319.98
   10.00  -68.49   35.64  -79.03  355.29
   11.00  -68.30   50.64  -74.84   16.97
   12.00  -68.34   65.64  -70.72   32.86
   13.00  -68.60   80.64  -67.02   46.47
   14.00  -69.08   95.64  -63.87   58.94
   15.00  -69.79  110.64  -61.40   70.52
   16.00  -70.56  125.64  -59.58   81.11
   17.00  -70.97  140.64  -58.05   90.69
   18.00  -70.99  155.64  -56.69   99.77
   19.00  -70.40  170.64  -55.19  108.63
   20.00  -69.52  185.64  -53.87  117.70
   21.00  -68.66  200.64  -53.13  127.06
   22.00  -65.68  215.64  -50.98  137.23
   23.00  -63.53  230.64  -50.32  148.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.06  245.64  -55.37  156.84
    1.00  -68.18  260.64  -58.48  166.13
    2.00  -69.00  275.64  -61.68  175.38
    3.00  -74.99  290.64  -69.32  174.68
    4.00  -77.31  305.64  -73.71  175.51
    5.00  -77.39  320.64  -76.81  180.95
    6.00  -77.13  335.64  -80.01  187.14
    7.00  -76.27  350.64  -83.40  197.80
    8.00  -76.67    5.64  -87.13  190.37
    9.00  -76.69   20.64  -88.46   76.03
   10.00  -76.74   35.64  -84.75   55.11
   11.00  -76.77   50.64  -80.89   57.60
   12.00  -77.09   65.64  -77.29   64.39
   13.00  -76.93   80.64  -73.76   69.58
   14.00  -76.86   95.64  -70.57   75.87
   15.00  -76.67  110.64  -67.69   82.26
   16.00  -76.69  125.64  -65.45   89.34
   17.00  -76.42  140.64  -63.42   96.20
   18.00  -77.26  155.64  -62.95  104.34
   19.00  -77.19  170.64  -62.05  111.59
   20.00  -76.07  185.64  -60.50  118.75
   21.00  -73.78  200.64  -58.22  126.70
   22.00  -70.68  215.64  -55.79  135.99
   23.00  -68.53  230.64  -54.98  146.14
</PRE>


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