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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>
15 Jul 1997 21:57:48 yearsecs  16927068
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.75   99.08  -50.70   46.40
    1.00  -58.22  114.08  -48.57   60.23
    2.00  -58.69  129.08  -46.76   73.11
    3.00  -59.15  144.08  -45.53   85.11
    4.00  -59.05  159.08  -44.28   96.45
    5.00  -59.89  174.08  -44.43  107.93
    6.00  -61.55  189.08  -45.88  119.12
    7.00  -62.82  204.08  -47.52  129.72
    8.00  -62.70  219.08  -48.41  140.27
    9.00  -62.08  234.08  -49.34  151.21
   10.00  -62.22  249.08  -51.41  162.13
   11.00  -61.89  264.08  -53.40  173.62
   12.00  -61.86  279.08  -56.00  185.28
   13.00  -62.08  294.08  -59.22  197.08
   14.00  -62.54  309.08  -63.11  209.19
   15.00  -63.23  324.08  -67.50  222.34
   16.00  -64.15  339.08  -72.04  237.88
   17.00  -65.29  354.08  -76.39  258.27
   18.00  -65.43    9.08  -78.51  289.66
   19.00  -64.29   24.08  -76.53  325.04
   20.00  -62.65   39.08  -71.43  350.27
   21.00  -61.47   54.08  -65.88    7.82
   22.00  -59.68   69.08  -59.59   20.84
   23.00  -58.56   84.08  -54.69   33.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.33   99.08  -67.04   69.30
    1.00  -74.11  114.08  -64.86   79.25
    2.00  -74.94  129.08  -63.35   88.48
    3.00  -75.46  144.08  -62.15   96.87
    4.00  -76.50  159.08  -61.97  105.41
    5.00  -77.62  174.08  -62.35  113.47
    6.00  -77.86  189.08  -62.30  120.74
    7.00  -77.21  204.08  -61.78  128.04
    8.00  -77.44  219.08  -62.60  135.29
    9.00  -77.68  234.08  -63.86  142.34
   10.00  -77.26  249.08  -64.91  149.98
   11.00  -76.88  264.08  -66.45  157.75
   12.00  -76.63  279.08  -68.49  165.41
   13.00  -76.47  294.08  -70.99  172.88
   14.00  -76.39  309.08  -73.90  180.02
   15.00  -76.10  324.08  -77.02  187.91
   16.00  -76.23  339.08  -80.57  193.80
   17.00  -76.00  354.08  -84.21  201.62
   18.00  -75.67    9.08  -88.09  215.01
   19.00  -75.17   24.08  -87.66   21.41
   20.00  -74.78   39.08  -83.34   35.79
   21.00  -73.85   54.08  -78.63   41.91
   22.00  -73.90   69.08  -74.62   52.55
   23.00  -73.08   84.08  -70.22   59.56
</PRE>


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