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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>
09 Apr 1997 14:36:50 yearsecs   8519810
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.51  217.13  -48.06  138.94
    1.00  -63.75  232.13  -50.69  149.16
    2.00  -64.57  247.13  -53.30  159.38
    3.00  -67.55  262.13  -58.15  167.71
    4.00  -67.23  277.13  -60.42  178.46
    5.00  -67.99  292.13  -64.04  188.15
    6.00  -68.06  307.13  -67.50  199.15
    7.00  -68.62  322.13  -71.66  210.36
    8.00  -69.88  337.13  -76.46  221.61
    9.00  -70.23  352.13  -80.45  240.36
   10.00  -69.66    7.13  -82.80  276.79
   11.00  -69.18   22.13  -82.34  324.94
   12.00  -68.99   37.13  -79.19  359.50
   13.00  -69.08   52.13  -75.21   20.97
   14.00  -69.42   67.13  -71.38   36.99
   15.00  -70.03   82.13  -68.02   50.76
   16.00  -70.63   97.13  -65.01   62.77
   17.00  -70.70  112.13  -61.99   72.78
   18.00  -70.79  127.13  -59.59   82.30
   19.00  -70.08  142.13  -56.99   90.85
   20.00  -69.18  157.13  -54.75   99.64
   21.00  -68.38  172.13  -53.09  108.88
   22.00  -66.34  187.13  -50.67  118.26
   23.00  -64.17  202.13  -48.76  128.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.51  217.13  -52.84  137.77
    1.00  -68.75  232.13  -55.34  146.99
    2.00  -69.57  247.13  -57.82  156.12
    3.00  -76.01  262.13  -65.45  158.12
    4.00  -78.19  277.13  -69.33  161.26
    5.00  -78.60  292.13  -71.98  166.30
    6.00  -77.68  307.13  -74.20  174.85
    7.00  -76.33  322.13  -76.68  186.06
    8.00  -76.27  337.13  -80.12  192.75
    9.00  -76.39  352.13  -83.79  197.07
   10.00  -76.22    7.13  -87.58  199.02
   11.00  -76.41   22.13  -88.27   60.03
   12.00  -76.82   37.13  -84.37   55.89
   13.00  -76.68   52.13  -80.49   57.45
   14.00  -76.54   67.13  -76.68   62.35
   15.00  -76.39   82.13  -73.10   68.38
   16.00  -76.24   97.13  -69.82   74.94
   17.00  -76.08  112.13  -66.94   81.78
   18.00  -77.40  127.13  -65.90   91.16
   19.00  -77.77  142.13  -64.57   98.53
   20.00  -76.90  157.13  -62.50  104.77
   21.00  -74.74  172.13  -59.50  111.20
   22.00  -71.34  187.13  -55.68  118.86
   23.00  -69.17  202.13  -53.68  127.96
</PRE>


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