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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>
04 Oct 1997 13:58:56 yearsecs  23896736
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.41  219.87  -48.20  140.90
    1.00  -62.95  234.87  -50.26  151.43
    2.00  -63.51  249.87  -52.71  161.97
    3.00  -64.05  264.87  -55.49  172.59
    4.00  -63.70  279.87  -57.80  184.19
    5.00  -64.99  294.87  -62.01  194.29
    6.00  -65.42  309.87  -65.89  205.78
    7.00  -65.37  324.87  -69.63  219.56
    8.00  -66.06  339.87  -73.97  235.09
    9.00  -65.48  354.87  -76.72  259.32
   10.00  -65.01    9.87  -78.08  291.98
   11.00  -64.82   24.87  -77.02  327.08
   12.00  -64.85   39.87  -73.89  354.57
   13.00  -65.11   54.87  -70.15   14.60
   14.00  -65.59   69.87  -66.64   30.92
   15.00  -66.30   84.87  -63.60   45.55
   16.00  -67.23   99.87  -61.07   59.08
   17.00  -68.09  114.87  -58.91   71.14
   18.00  -67.90  129.87  -56.29   81.09
   19.00  -67.72  144.87  -54.32   90.83
   20.00  -66.37  159.87  -51.72  100.02
   21.00  -65.27  174.87  -49.84  109.81
   22.00  -64.05  189.87  -48.38  119.88
   23.00  -62.86  204.87  -47.61  130.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.87  219.87  -54.35  139.14
    1.00  -70.07  234.87  -56.84  148.05
    2.00  -71.11  249.87  -59.55  156.63
    3.00  -72.19  264.87  -62.62  164.67
    4.00  -75.17  279.87  -67.51  168.65
    5.00  -76.28  294.87  -71.02  173.74
    6.00  -75.51  309.87  -73.57  183.21
    7.00  -74.62  324.87  -76.47  194.39
    8.00  -75.61  339.87  -80.56  197.96
    9.00  -75.43  354.87  -84.29  207.95
   10.00  -75.60    9.87  -88.30  218.41
   11.00  -75.49   24.87  -87.55   30.93
   12.00  -75.16   39.87  -83.28   39.89
   13.00  -75.07   54.87  -79.11   48.91
   14.00  -75.30   69.87  -75.33   58.36
   15.00  -74.89   84.87  -71.44   65.05
   16.00  -74.77   99.87  -68.10   72.84
   17.00  -73.09  114.87  -63.78   78.04
   18.00  -72.90  129.87  -61.28   86.34
   19.00  -73.78  144.87  -60.41   95.65
   20.00  -73.18  159.87  -58.59  103.59
   21.00  -70.92  174.87  -55.54  111.39
   22.00  -70.04  189.87  -54.36  120.38
   23.00  -69.02  204.87  -53.63  129.68
</PRE>


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