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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
11 Apr 1997 02:13:01 yearsecs   8647981
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.42   38.01  -64.89  344.07
    1.00  -57.86   53.01  -61.29    2.36
    2.00  -58.29   68.01  -57.98   18.08
    3.00  -58.73   83.01  -55.13   32.77
    4.00  -58.80   98.01  -52.16   46.58
    5.00  -59.63  113.01  -50.32   60.62
    6.00  -61.41  128.01  -49.81   74.27
    7.00  -62.83  143.01  -49.48   86.39
    8.00  -62.60  158.01  -48.00   97.07
    9.00  -62.05  173.01  -46.66  107.68
   10.00  -61.64  188.01  -45.97  118.36
   11.00  -61.45  203.01  -46.14  129.06
   12.00  -61.48  218.01  -47.16  139.79
   13.00  -61.74  233.01  -48.90  150.56
   14.00  -62.22  248.01  -51.27  161.34
   15.00  -62.93  263.01  -54.17  172.06
   16.00  -63.86  278.01  -57.61  182.60
   17.00  -65.02  293.01  -61.64  192.81
   18.00  -65.20  308.01  -65.24  204.56
   19.00  -63.97  323.01  -67.90  220.10
   20.00  -62.32  338.01  -70.07  239.56
   21.00  -61.14  353.01  -72.05  263.00
   22.00  -59.36    8.01  -71.83  292.19
   23.00  -58.26   23.01  -69.47  321.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.57   38.01  -76.35  354.79
    1.00  -67.48   53.01  -73.32   17.63
    2.00  -68.42   68.01  -70.15   35.24
    3.00  -68.89   83.01  -66.71   48.97
    4.00  -69.98   98.01  -64.20   62.20
    5.00  -71.39  113.01  -62.50   74.35
    6.00  -71.53  128.01  -60.19   83.66
    7.00  -70.17  143.01  -56.99   91.47
    8.00  -70.24  158.01  -55.76  100.77
    9.00  -70.82  173.01  -55.50  110.23
   10.00  -70.45  188.01  -54.78  119.28
   11.00  -70.21  203.01  -54.73  128.41
   12.00  -70.10  218.01  -55.39  137.60
   13.00  -70.08  233.01  -56.66  146.88
   14.00  -70.21  248.01  -58.50  156.20
   15.00  -70.05  263.01  -60.49  165.89
   16.00  -70.50  278.01  -63.39  175.01
   17.00  -70.55  293.01  -66.36  184.72
   18.00  -70.24  308.01  -69.47  195.61
   19.00  -69.54  323.01  -72.61  208.96
   20.00  -69.13  338.01  -76.10  224.92
   21.00  -67.87  353.01  -78.61  250.14
   22.00  -67.80    8.01  -80.96  283.62
   23.00  -66.49   23.01  -79.21  324.16
</PRE>


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