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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>
25 Mar 1997 14:16:30 yearsecs   7222590
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.57  221.45  -45.62  142.75
    1.00  -60.23  236.45  -47.87  153.69
    2.00  -60.89  251.45  -50.51  164.65
    3.00  -61.54  266.45  -53.47  175.70
    4.00  -60.71  281.45  -55.40  188.20
    5.00  -61.71  296.45  -59.39  199.45
    6.00  -62.89  311.45  -64.01  210.83
    7.00  -63.63  326.45  -68.47  224.16
    8.00  -63.75  341.45  -72.23  241.70
    9.00  -63.41  356.45  -74.93  265.85
   10.00  -62.99   11.45  -75.91  297.12
   11.00  -62.80   26.45  -74.40  328.98
   12.00  -62.84   41.45  -71.04  353.94
   13.00  -63.10   56.45  -67.29   12.85
   14.00  -63.58   71.45  -63.91   28.85
   15.00  -64.28   86.45  -61.03   43.58
   16.00  -65.22  101.45  -58.65   57.43
   17.00  -66.37  116.45  -56.87   70.25
   18.00  -66.36  131.45  -54.49   80.78
   19.00  -65.66  146.45  -52.06   90.54
   20.00  -64.07  161.45  -49.28  100.12
   21.00  -62.95  176.45  -47.45  110.35
   22.00  -61.36  191.45  -45.71  120.80
   23.00  -60.21  206.45  -45.11  131.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.44  221.45  -54.06  140.28
    1.00  -69.07  236.45  -56.09  149.60
    2.00  -69.97  251.45  -58.75  158.57
    3.00  -70.64  266.45  -61.53  167.46
    4.00  -72.62  281.45  -65.77  174.00
    5.00  -73.85  296.45  -69.63  180.39
    6.00  -73.76  311.45  -72.82  189.30
    7.00  -72.88  326.45  -75.84  201.86
    8.00  -73.27  341.45  -79.86  212.27
    9.00  -73.54  356.45  -83.88  227.76
   10.00  -73.39   11.45  -87.08  274.84
   11.00  -73.13   26.45  -85.68  356.86
   12.00  -72.93   41.45  -81.57   24.50
   13.00  -72.95   56.45  -77.36   39.62
   14.00  -72.91   71.45  -73.26   50.72
   15.00  -72.48   86.45  -69.15   59.56
   16.00  -72.50  101.45  -65.80   69.07
   17.00  -71.49  116.45  -61.98   76.62
   18.00  -71.36  131.45  -59.55   85.54
   19.00  -71.75  146.45  -58.23   94.81
   20.00  -71.27  161.45  -56.57  103.43
   21.00  -69.64  176.45  -54.19  111.99
   22.00  -69.41  191.45  -53.73  121.31
   23.00  -68.08  206.45  -52.76  130.80
</PRE>


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