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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 Jun 1997 12:39:34 yearsecs  14387974
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.09  245.72  -51.75  159.19
    1.00  -63.44  260.72  -54.27  169.98
    2.00  -64.06  275.72  -57.36  180.68
    3.00  -64.67  290.72  -60.84  191.46
    4.00  -64.40  305.72  -63.99  203.79
    5.00  -65.66  320.72  -68.82  215.02
    6.00  -65.97  335.72  -72.87  230.16
    7.00  -65.90  350.72  -76.30  251.22
    8.00  -66.58    5.72  -79.46  279.98
    9.00  -65.99   20.72  -78.89  318.27
   10.00  -65.57   35.72  -75.76  349.05
   11.00  -65.38   50.72  -71.60   10.26
   12.00  -65.41   65.72  -67.54   26.57
   13.00  -65.66   80.72  -63.94   40.87
   14.00  -66.14   95.72  -60.88   54.18
   15.00  -66.84  110.72  -58.42   66.63
   16.00  -67.76  125.72  -56.75   78.18
   17.00  -68.88  140.72  -55.93   89.00
   18.00  -68.88  155.72  -54.55   98.57
   19.00  -68.20  170.72  -52.97  107.91
   20.00  -66.92  185.72  -51.25  117.39
   21.00  -65.83  200.72  -50.34  127.25
   22.00  -64.69  215.72  -50.05  137.49
   23.00  -63.56  230.72  -50.36  148.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.90  245.72  -60.64  152.63
    1.00  -74.01  260.72  -63.57  160.03
    2.00  -74.97  275.72  -66.66  166.82
    3.00  -76.36  290.72  -70.30  171.57
    4.00  -78.67  305.72  -74.40  170.88
    5.00  -79.31  320.72  -77.42  172.19
    6.00  -79.12  335.72  -80.28  174.85
    7.00  -78.50  350.72  -83.36  177.00
    8.00  -79.32    5.72  -85.53  152.08
    9.00  -79.02   20.72  -86.35  109.17
   10.00  -79.08   35.72  -84.14   81.08
   11.00  -78.89   50.72  -81.09   72.73
   12.00  -78.58   65.72  -77.78   71.86
   13.00  -78.39   80.72  -74.53   75.00
   14.00  -78.49   95.72  -71.68   80.53
   15.00  -78.10  110.72  -68.84   85.37
   16.00  -77.97  125.72  -66.59   91.48
   17.00  -76.64  140.72  -63.62   96.49
   18.00  -76.48  155.72  -62.18  103.72
   19.00  -77.04  170.72  -61.89  111.54
   20.00  -76.45  185.72  -60.88  118.86
   21.00  -74.62  200.72  -59.08  126.66
   22.00  -73.80  215.72  -58.83  135.07
   23.00  -73.02  230.72  -59.18  143.89
</PRE>


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