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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>
23 Feb 1997 01:35:20 yearsecs   4584920
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.35   52.80  -64.75    4.93
    1.00  -61.01   67.80  -61.66   21.40
    2.00  -61.68   82.80  -58.86   36.45
    3.00  -62.34   97.80  -56.31   50.62
    4.00  -61.48  112.80  -52.38   62.25
    5.00  -62.55  127.80  -51.04   75.00
    6.00  -63.52  142.80  -50.21   86.66
    7.00  -64.04  157.80  -49.49   97.55
    8.00  -64.51  172.80  -49.15  108.18
    9.00  -63.93  187.80  -48.26  118.45
   10.00  -63.52  202.80  -48.15  128.79
   11.00  -63.33  217.80  -48.91  139.23
   12.00  -63.36  232.80  -50.40  149.78
   13.00  -63.62  247.80  -52.52  160.41
   14.00  -64.10  262.80  -55.20  171.03
   15.00  -64.81  277.80  -58.41  181.52
   16.00  -65.74  292.80  -62.23  191.73
   17.00  -66.90  307.80  -66.67  201.69
   18.00  -66.88  322.80  -70.39  214.69
   19.00  -66.23  337.80  -73.62  232.10
   20.00  -64.69  352.80  -75.56  257.20
   21.00  -63.59    7.80  -76.44  288.60
   22.00  -62.09   22.80  -74.12  321.50
   23.00  -60.93   37.80  -69.58  346.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.77   52.80  -75.70   23.88
    1.00  -70.47   67.80  -72.18   40.42
    2.00  -71.38   82.80  -69.08   54.40
    3.00  -72.13   97.80  -66.25   66.08
    4.00  -74.30  112.80  -65.26   78.88
    5.00  -75.45  127.80  -64.01   88.53
    6.00  -75.27  142.80  -62.09   96.01
    7.00  -74.69  157.80  -60.24  103.43
    8.00  -75.30  172.80  -60.04  111.79
    9.00  -75.37  187.80  -59.75  119.76
   10.00  -75.25  202.80  -59.76  127.70
   11.00  -74.99  217.80  -60.12  135.76
   12.00  -74.71  232.80  -60.96  143.98
   13.00  -74.68  247.80  -62.48  152.16
   14.00  -74.63  262.80  -64.38  160.39
   15.00  -74.15  277.80  -66.36  169.35
   16.00  -74.06  292.80  -69.06  177.86
   17.00  -72.85  307.80  -71.37  189.50
   18.00  -72.70  322.80  -74.82  199.85
   19.00  -73.25  337.80  -78.91  209.21
   20.00  -72.66  352.80  -82.41  228.72
   21.00  -70.96    7.80  -84.19  274.25
   22.00  -70.64   22.80  -83.85  330.20
   23.00  -69.45   37.80  -79.49    2.16
</PRE>


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