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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>
21 Jul 1997 12:19:00 yearsecs  17410740
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.57  251.02  -51.08  163.95
    1.00  -62.86  266.02  -54.60  174.38
    2.00  -63.70  281.02  -58.02  185.07
    3.00  -67.46  296.02  -64.42  191.76
    4.00  -67.30  311.02  -67.80  203.60
    5.00  -68.27  326.02  -72.37  214.73
    6.00  -68.63  341.02  -76.46  230.01
    7.00  -69.19  356.02  -80.43  251.49
    8.00  -69.32   11.02  -82.80  289.55
    9.00  -69.29   26.02  -81.91  336.13
   10.00  -68.79   41.02  -77.98    5.31
   11.00  -68.35   56.02  -73.40   23.25
   12.00  -68.19   71.02  -69.11   37.41
   13.00  -68.29   86.02  -65.37   50.16
   14.00  -68.66  101.02  -62.26   62.15
   15.00  -69.30  116.02  -59.91   73.43
   16.00  -69.92  131.02  -58.17   83.79
   17.00  -69.99  146.02  -56.50   93.19
   18.00  -70.09  161.02  -55.40  102.55
   19.00  -69.40  176.02  -53.97  111.66
   20.00  -68.61  191.02  -52.93  120.98
   21.00  -67.87  206.02  -52.54  130.55
   22.00  -65.57  221.02  -51.31  140.87
   23.00  -63.31  236.02  -50.73  152.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.57  251.02  -55.65  160.84
    1.00  -67.86  266.02  -59.05  170.08
    2.00  -68.70  281.02  -62.41  179.41
    3.00  -75.40  296.02  -70.65  176.51
    4.00  -77.67  311.02  -74.95  176.35
    5.00  -77.76  326.02  -78.07  180.95
    6.00  -77.27  341.02  -81.26  187.52
    7.00  -76.12  356.02  -84.73  200.93
    8.00  -76.32   11.02  -88.54  189.09
    9.00  -76.41   26.02  -87.28   53.56
   10.00  -76.21   41.02  -83.28   50.24
   11.00  -76.36   56.02  -79.38   56.86
   12.00  -76.73   71.02  -75.85   64.82
   13.00  -76.57   86.02  -72.35   70.71
   14.00  -76.40  101.02  -69.19   77.16
   15.00  -76.22  116.02  -66.43   83.94
   16.00  -76.05  131.02  -64.16   90.98
   17.00  -75.86  146.02  -62.35   98.27
   18.00  -77.12  161.02  -62.47  106.84
   19.00  -77.40  176.02  -62.06  114.31
   20.00  -76.39  191.02  -60.78  121.54
   21.00  -74.12  206.02  -58.72  129.63
   22.00  -70.57  221.02  -56.06  139.29
   23.00  -68.31  236.02  -55.35  149.73
</PRE>


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