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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>
05 Mar 1997 19:58:11 yearsecs   5515091
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.53  135.03  -49.01   79.69
    1.00  -62.13  150.03  -48.10   91.08
    2.00  -62.73  165.03  -47.71  102.15
    3.00  -63.32  180.03  -47.74  112.95
    4.00  -62.75  195.03  -47.15  123.39
    5.00  -63.95  210.03  -48.94  133.72
    6.00  -64.61  225.03  -50.77  143.89
    7.00  -64.81  240.03  -52.60  154.24
    8.00  -65.43  255.03  -55.19  164.44
    9.00  -64.79  270.03  -57.01  175.78
   10.00  -64.37  285.03  -59.41  187.43
   11.00  -64.18  300.03  -62.45  199.42
   12.00  -64.22  315.03  -66.11  212.14
   13.00  -64.48  330.03  -70.13  226.58
   14.00  -64.96  345.03  -74.17  244.43
   15.00  -65.66    0.03  -77.78  268.96
   16.00  -66.60   15.03  -79.91  303.79
   17.00  -67.75   30.03  -79.48  342.20
   18.00  -67.76   45.03  -75.82    8.25
   19.00  -67.09   60.03  -70.95   24.36
   20.00  -65.66   75.03  -65.37   35.80
   21.00  -64.55   90.03  -60.49   47.06
   22.00  -63.21  105.03  -55.76   57.77
   23.00  -62.04  120.03  -51.72   68.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.21  135.03  -60.92   89.60
    1.00  -74.12  150.03  -60.28   98.78
    2.00  -75.03  165.03  -60.14  107.53
    3.00  -75.90  180.03  -60.43  115.80
    4.00  -78.09  195.03  -62.54  123.59
    5.00  -79.09  210.03  -63.85  130.33
    6.00  -78.82  225.03  -64.30  137.24
    7.00  -78.33  240.03  -64.98  144.50
    8.00  -79.10  255.03  -67.16  150.14
    9.00  -79.03  270.03  -68.94  156.53
   10.00  -79.06  285.03  -71.13  162.35
   11.00  -78.93  300.03  -73.52  168.10
   12.00  -78.61  315.03  -76.13  173.97
   13.00  -78.41  330.03  -79.07  178.47
   14.00  -78.36  345.03  -82.20  179.61
   15.00  -77.90    0.03  -85.47  177.19
   16.00  -77.70   15.03  -87.92  131.54
   17.00  -76.41   30.03  -86.23   51.34
   18.00  -76.16   45.03  -82.20   51.20
   19.00  -76.65   60.03  -78.48   60.05
   20.00  -76.10   75.03  -74.55   64.04
   21.00  -74.45   90.03  -69.94   66.69
   22.00  -73.95  105.03  -66.37   73.95
   23.00  -73.07  120.03  -62.90   80.97
</PRE>


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