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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>
19 Jan 1997 17:17:33 yearsecs   1617453
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.79  174.92  -47.34  109.23
    1.00  -63.26  189.92  -47.59  119.85
    2.00  -63.82  204.92  -48.55  130.22
    3.00  -64.38  219.92  -50.09  140.44
    4.00  -64.10  234.92  -51.33  150.98
    5.00  -65.40  249.92  -54.44  160.85
    6.00  -65.75  264.92  -57.01  171.23
    7.00  -65.63  279.92  -59.53  182.24
    8.00  -66.33  294.92  -63.21  192.55
    9.00  -65.70  309.92  -66.16  205.37
   10.00  -65.31  324.92  -69.58  219.72
   11.00  -65.10  339.92  -73.12  237.16
   12.00  -65.13  354.92  -76.39  260.09
   13.00  -65.39    9.92  -78.51  291.73
   14.00  -65.88   24.92  -78.24  328.07
   15.00  -66.58   39.92  -75.88  357.89
   16.00  -67.51   54.92  -72.82   19.88
   17.00  -67.76   69.92  -68.97   35.45
   18.00  -67.62   84.92  -64.96   47.98
   19.00  -67.99   99.92  -61.83   60.29
   20.00  -66.68  114.92  -57.46   69.49
   21.00  -65.58  129.92  -53.90   79.05
   22.00  -64.41  144.92  -50.92   88.71
   23.00  -63.24  159.92  -48.53   98.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.64  174.92  -53.24  110.75
    1.00  -69.90  189.92  -54.22  120.39
    2.00  -70.97  204.92  -55.54  129.48
    3.00  -72.25  219.92  -57.59  138.02
    4.00  -75.33  234.92  -61.73  144.67
    5.00  -76.40  249.92  -64.25  151.42
    6.00  -75.54  264.92  -65.45  160.24
    7.00  -74.62  279.92  -67.09  169.69
    8.00  -75.66  294.92  -70.61  175.31
    9.00  -75.14  309.92  -73.35  184.39
   10.00  -75.00  324.92  -76.69  192.89
   11.00  -74.94  339.92  -80.31  201.96
   12.00  -74.66  354.92  -84.04  215.62
   13.00  -74.60    9.92  -87.84  248.04
   14.00  -74.91   24.92  -87.32   17.58
   15.00  -74.54   39.92  -82.99   34.50
   16.00  -74.47   54.92  -78.78   45.73
   17.00  -72.76   69.92  -73.55   49.16
   18.00  -72.62   84.92  -69.63   58.91
   19.00  -73.53   99.92  -67.04   70.21
   20.00  -72.92  114.92  -63.61   77.80
   21.00  -70.70  129.92  -59.11   83.91
   22.00  -69.87  144.92  -56.49   92.42
   23.00  -68.89  159.92  -54.27  101.26
</PRE>


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