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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>
18 Oct 1997 12:49:52 yearsecs  25102192
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.74  233.91  -49.95  150.82
    1.00  -63.24  248.91  -52.33  161.43
    2.00  -63.79  263.91  -55.10  172.08
    3.00  -64.34  278.91  -58.20  182.82
    4.00  -64.05  293.91  -60.97  194.69
    5.00  -65.36  308.91  -65.61  205.06
    6.00  -65.71  323.91  -69.68  217.99
    7.00  -65.59  338.91  -73.32  234.86
    8.00  -66.29  353.91  -77.31  255.84
    9.00  -65.67    8.91  -78.75  289.00
   10.00  -65.25   23.91  -77.67  325.30
   11.00  -65.06   38.91  -74.38  353.44
   12.00  -65.10   53.91  -70.40   13.49
   13.00  -65.36   68.91  -66.63   29.56
   14.00  -65.84   83.91  -63.35   43.94
   15.00  -66.55   98.91  -60.59   57.32
   16.00  -67.48  113.91  -58.47   69.72
   17.00  -68.63  128.91  -57.16   81.16
   18.00  -68.66  143.91  -55.37   90.87
   19.00  -67.96  158.91  -53.39  100.14
   20.00  -66.64  173.91  -51.26  109.53
   21.00  -65.54  188.91  -49.86  119.36
   22.00  -64.37  203.91  -49.03  129.49
   23.00  -63.19  218.91  -48.87  140.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.04  233.91  -58.57  146.33
    1.00  -73.20  248.91  -61.29  154.20
    2.00  -74.19  263.91  -64.18  161.58
    3.00  -75.30  278.91  -67.45  167.91
    4.00  -77.95  293.91  -71.90  168.83
    5.00  -78.92  308.91  -75.10  170.96
    6.00  -78.31  323.91  -77.79  177.71
    7.00  -77.68  338.91  -80.85  184.40
    8.00  -78.62  353.91  -83.97  174.22
    9.00  -78.32    8.91  -86.77  153.83
   10.00  -78.39   23.91  -86.60   94.06
   11.00  -78.23   38.91  -83.78   70.37
   12.00  -77.87   53.91  -80.31   65.72
   13.00  -77.69   68.91  -76.77   68.32
   14.00  -77.84   83.91  -73.58   74.07
   15.00  -77.43   98.91  -70.36   78.81
   16.00  -77.27  113.91  -67.66   84.97
   17.00  -75.74  128.91  -64.14   89.50
   18.00  -75.52  143.91  -62.21   96.84
   19.00  -76.21  158.91  -61.69  105.12
   20.00  -75.63  173.91  -60.34  112.52
   21.00  -73.68  188.91  -58.04  120.16
   22.00  -72.92  203.91  -57.45  128.63
   23.00  -72.15  218.91  -57.42  137.47
</PRE>


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