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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>
30 Oct 1997 18:48:16 yearsecs  26160496
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.79  146.52  -50.13   89.46
    1.00  -63.90  161.52  -49.10  100.10
    2.00  -64.68  176.52  -49.20  110.79
    3.00  -65.46  191.52  -49.79  121.10
    4.00  -65.28  206.52  -50.04  131.17
    5.00  -66.51  221.52  -52.24  140.93
    6.00  -66.87  236.52  -54.07  150.79
    7.00  -66.86  251.52  -55.98  160.97
    8.00  -67.68  266.52  -58.97  170.60
    9.00  -67.03  281.52  -61.06  181.82
   10.00  -66.48  296.52  -63.69  193.55
   11.00  -66.19  311.52  -66.97  205.93
   12.00  -66.14  326.52  -70.71  219.77
   13.00  -66.33  341.52  -74.60  236.63
   14.00  -66.75  356.52  -78.25  259.62
   15.00  -67.40   11.52  -80.75  293.73
   16.00  -68.27   26.52  -80.70  335.14
   17.00  -69.30   41.52  -78.36    7.68
   18.00  -69.17   56.52  -74.07   26.05
   19.00  -68.33   71.52  -69.13   38.18
   20.00  -67.35   86.52  -64.30   48.79
   21.00  -66.34  101.52  -59.80   59.03
   22.00  -65.29  116.52  -55.74   69.10
   23.00  -64.28  131.52  -52.33   79.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.63  146.52  -61.10   97.33
    1.00  -75.58  161.52  -60.90  106.01
    2.00  -76.44  176.52  -61.07  114.18
    3.00  -78.24  191.52  -62.68  121.93
    4.00  -80.36  206.52  -65.04  128.39
    5.00  -81.04  221.52  -66.28  134.13
    6.00  -80.60  236.52  -66.77  140.49
    7.00  -80.20  251.52  -67.72  146.98
    8.00  -80.94  266.52  -69.91  151.16
    9.00  -80.96  281.52  -71.79  156.02
   10.00  -80.87  296.52  -73.86  160.45
   11.00  -80.52  311.52  -76.10  165.06
   12.00  -80.22  326.52  -78.61  168.26
   13.00  -80.02  341.52  -81.28  168.11
   14.00  -80.08  356.52  -83.73  158.99
   15.00  -79.76   11.52  -85.61  136.00
   16.00  -79.75   26.52  -85.09  100.06
   17.00  -78.88   41.52  -83.06   75.18
   18.00  -78.95   56.52  -79.84   72.87
   19.00  -79.05   71.52  -76.69   75.35
   20.00  -78.36   86.52  -73.35   76.84
   21.00  -76.67  101.52  -69.31   78.04
   22.00  -75.68  116.52  -65.87   83.21
   23.00  -74.84  131.52  -62.94   89.62
</PRE>


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