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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 Oct 1997 01:22:24 yearsecs  24801744
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.74   48.67  -71.41    6.52
    1.00  -64.98   63.67  -67.60   23.71
    2.00  -66.02   78.67  -64.84   39.71
    3.00  -67.08   93.67  -62.32   54.03
    4.00  -66.96  108.67  -58.95   65.28
    5.00  -67.98  123.67  -57.30   77.02
    6.00  -68.37  138.67  -55.65   87.27
    7.00  -69.35  153.67  -55.18   97.54
    8.00  -71.12  168.67  -56.01  107.71
    9.00  -70.54  183.67  -54.92  116.64
   10.00  -69.67  198.67  -54.08  125.78
   11.00  -68.95  213.67  -54.00  135.21
   12.00  -68.57  228.67  -54.82  144.85
   13.00  -68.50  243.67  -56.41  154.61
   14.00  -68.73  258.67  -58.67  164.32
   15.00  -69.25  273.67  -61.55  173.76
   16.00  -69.78  288.67  -64.83  183.06
   17.00  -69.78  303.67  -68.09  193.42
   18.00  -69.82  318.67  -71.73  204.66
   19.00  -69.01  333.67  -74.90  220.49
   20.00  -68.02  348.67  -77.77  242.52
   21.00  -67.28    3.67  -79.93  273.74
   22.00  -66.71   18.67  -79.88  313.35
   23.00  -65.87   33.67  -76.57  345.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.40   48.67  -77.45   21.29
    1.00  -71.65   63.67  -74.35   40.64
    2.00  -72.54   78.67  -71.11   54.54
    3.00  -78.17   93.67  -71.85   78.80
    4.00  -80.13  108.67  -70.68   89.60
    5.00  -80.60  123.67  -69.08   95.74
    6.00  -79.97  138.67  -66.97  100.13
    7.00  -78.93  153.67  -64.74  105.02
    8.00  -78.95  168.67  -63.91  111.68
    9.00  -78.90  183.67  -63.42  118.42
   10.00  -78.61  198.67  -63.09  125.27
   11.00  -78.61  213.67  -63.51  132.17
   12.00  -78.83  228.67  -64.54  138.88
   13.00  -78.59  243.67  -65.55  145.87
   14.00  -78.35  258.67  -66.96  152.90
   15.00  -78.12  273.67  -68.77  159.92
   16.00  -77.89  288.67  -70.96  166.84
   17.00  -77.64  303.67  -73.51  173.63
   18.00  -78.74  318.67  -76.87  174.40
   19.00  -79.04  333.67  -79.88  175.27
   20.00  -78.24  348.67  -82.98  179.97
   21.00  -76.38    3.67  -86.68  197.53
   22.00  -73.47   18.67  -87.34  323.17
   23.00  -71.69   33.67  -82.68    4.37
</PRE>


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