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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>
10 May 1997 21:50:39 yearsecs  11224239
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.38   99.40  -58.20   54.64
    1.00  -64.00  114.40  -54.78   66.13
    2.00  -64.94  129.40  -53.32   78.14
    3.00  -65.88  144.40  -52.49   89.28
    4.00  -65.68  159.40  -51.04   99.39
    5.00  -66.72  174.40  -51.32  109.87
    6.00  -66.90  189.40  -51.22  119.80
    7.00  -66.75  204.40  -51.38  129.61
    8.00  -67.43  219.40  -52.94  139.26
    9.00  -67.01  234.40  -53.97  149.30
   10.00  -66.60  249.40  -55.45  159.70
   11.00  -66.40  264.40  -57.51  170.29
   12.00  -66.44  279.40  -60.14  180.97
   13.00  -66.69  294.40  -63.41  191.65
   14.00  -67.18  309.40  -67.30  202.50
   15.00  -67.88  324.40  -71.64  214.08
   16.00  -68.81  339.40  -76.20  227.49
   17.00  -69.82  354.40  -80.63  246.00
   18.00  -69.66    9.40  -83.04  283.69
   19.00  -69.08   24.40  -81.93  331.24
   20.00  -67.97   39.40  -77.54    0.36
   21.00  -66.94   54.40  -72.34   17.91
   22.00  -65.92   69.40  -67.14   31.11
   23.00  -65.00   84.40  -62.32   42.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.16   99.40  -65.01   65.28
    1.00  -72.23  114.40  -63.05   76.44
    2.00  -73.21  129.40  -61.65   86.45
    3.00  -76.39  144.40  -63.02   98.01
    4.00  -78.75  159.40  -64.18  107.38
    5.00  -79.27  174.40  -64.02  114.41
    6.00  -78.60  189.40  -63.05  120.99
    7.00  -77.98  204.40  -62.56  128.04
    8.00  -78.52  219.40  -63.69  134.86
    9.00  -78.26  234.40  -64.43  141.98
   10.00  -78.51  249.40  -66.05  148.53
   11.00  -78.36  264.40  -67.68  155.42
   12.00  -78.30  279.40  -69.76  161.96
   13.00  -78.07  294.40  -72.06  168.66
   14.00  -78.11  309.40  -74.84  174.13
   15.00  -77.77  324.40  -77.73  180.43
   16.00  -77.88  339.40  -80.98  183.13
   17.00  -77.17  354.40  -84.36  189.05
   18.00  -77.31    9.40  -87.64  167.58
   19.00  -77.24   24.40  -87.36   74.82
   20.00  -76.35   39.40  -83.74   51.09
   21.00  -74.39   54.40  -78.88   44.98
   22.00  -72.85   69.40  -73.76   49.08
   23.00  -71.59   84.40  -68.88   56.03
</PRE>


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