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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>
14 Aug 1997 20:53:48 yearsecs  19515228
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.34  116.00  -53.79   66.68
    1.00  -63.52  131.00  -51.61   78.14
    2.00  -64.21  146.00  -50.62   89.35
    3.00  -64.90  161.00  -50.15  100.15
    4.00  -64.64  176.00  -49.18  110.42
    5.00  -65.86  191.00  -50.18  120.78
    6.00  -66.15  206.00  -50.86  130.73
    7.00  -66.02  221.00  -51.73  140.73
    8.00  -66.71  236.00  -53.87  150.52
    9.00  -66.17  251.00  -55.28  161.09
   10.00  -65.74  266.00  -57.18  172.01
   11.00  -65.55  281.00  -59.67  183.12
   12.00  -65.59  296.00  -62.79  194.38
   13.00  -65.84  311.00  -66.54  206.05
   14.00  -66.33  326.00  -70.74  218.88
   15.00  -67.03  341.00  -75.10  234.28
   16.00  -67.97  356.00  -79.31  255.40
   17.00  -69.06   11.00  -82.53  289.93
   18.00  -69.02   26.00  -81.62  335.42
   19.00  -68.37   41.00  -77.55    4.01
   20.00  -67.13   56.00  -72.11   20.14
   21.00  -66.05   71.00  -66.86   32.86
   22.00  -64.94   86.00  -61.86   44.22
   23.00  -63.85  101.00  -57.29   55.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.42  116.00  -62.96   77.68
    1.00  -73.53  131.00  -61.74   87.72
    2.00  -74.50  146.00  -61.01   96.93
    3.00  -76.29  161.00  -61.63  106.22
    4.00  -78.74  176.00  -63.43  114.88
    5.00  -79.53  191.00  -64.01  121.82
    6.00  -78.96  206.00  -63.60  128.56
    7.00  -78.40  221.00  -63.65  135.67
    8.00  -79.21  236.00  -65.45  141.78
    9.00  -78.95  251.00  -66.60  148.63
   10.00  -79.13  266.00  -68.49  154.69
   11.00  -79.21  281.00  -70.62  160.44
   12.00  -79.01  296.00  -72.87  166.47
   13.00  -78.73  311.00  -75.41  172.31
   14.00  -78.75  326.00  -78.32  175.93
   15.00  -78.34  341.00  -81.35  180.04
   16.00  -78.22  356.00  -84.52  176.88
   17.00  -77.02   11.00  -88.13  166.89
   18.00  -76.89   26.00  -87.16   63.99
   19.00  -77.26   41.00  -83.40   60.25
   20.00  -76.56   56.00  -79.47   58.07
   21.00  -74.68   71.00  -74.66   56.61
   22.00  -73.64   86.00  -70.22   62.24
   23.00  -72.66  101.00  -66.04   69.10
</PRE>


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