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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>
11 Apr 1997 02:12:27 yearsecs   8647947
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.42   38.15  -64.85  344.25
    1.00  -57.86   53.15  -61.25    2.51
    2.00  -58.29   68.15  -57.94   18.22
    3.00  -58.73   83.15  -55.10   32.90
    4.00  -58.80   98.15  -52.13   46.70
    5.00  -59.63  113.15  -50.29   60.74
    6.00  -61.41  128.15  -49.79   74.38
    7.00  -62.83  143.15  -49.46   86.49
    8.00  -62.60  158.15  -47.99   97.17
    9.00  -62.05  173.15  -46.66  107.78
   10.00  -61.64  188.15  -45.97  118.46
   11.00  -61.45  203.15  -46.14  129.16
   12.00  -61.48  218.15  -47.17  139.89
   13.00  -61.74  233.15  -48.92  150.66
   14.00  -62.22  248.15  -51.28  161.44
   15.00  -62.93  263.15  -54.20  172.16
   16.00  -63.86  278.15  -57.63  182.71
   17.00  -65.02  293.15  -61.67  192.92
   18.00  -65.20  308.15  -65.28  204.67
   19.00  -63.97  323.15  -67.94  220.24
   20.00  -62.32  338.15  -70.10  239.74
   21.00  -61.14  353.15  -72.07  263.23
   22.00  -59.36    8.15  -71.83  292.47
   23.00  -58.26   23.15  -69.44  321.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.54   38.15  -76.28  354.96
    1.00  -67.45   53.15  -73.25   17.71
    2.00  -68.38   68.15  -70.08   35.28
    3.00  -68.85   83.15  -66.64   49.01
    4.00  -69.94   98.15  -64.13   62.22
    5.00  -71.35  113.15  -62.44   74.38
    6.00  -71.48  128.15  -60.13   83.69
    7.00  -70.12  143.15  -56.92   91.51
    8.00  -70.18  158.15  -55.69  100.83
    9.00  -70.77  173.15  -55.45  110.29
   10.00  -70.40  188.15  -54.73  119.36
   11.00  -70.17  203.15  -54.69  128.50
   12.00  -70.07  218.15  -55.37  137.70
   13.00  -70.05  233.15  -56.64  146.99
   14.00  -70.18  248.15  -58.50  156.31
   15.00  -70.03  263.15  -60.49  166.01
   16.00  -70.48  278.15  -63.40  175.14
   17.00  -70.53  293.15  -66.37  184.85
   18.00  -70.22  308.15  -69.48  195.75
   19.00  -69.52  323.15  -72.63  209.12
   20.00  -69.11  338.15  -76.12  225.13
   21.00  -67.86  353.15  -78.62  250.44
   22.00  -67.78    8.15  -80.95  284.04
   23.00  -66.47   23.15  -79.16  324.48
</PRE>


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