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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>
18 May 1997 13:28:14 yearsecs  11885294
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.39  234.10  -50.58  150.70
    1.00  -63.54  249.10  -52.63  161.40
    2.00  -64.25  264.10  -55.54  171.87
    3.00  -64.95  279.10  -58.78  182.35
    4.00  -64.69  294.10  -61.58  194.06
    5.00  -65.90  309.10  -66.13  204.38
    6.00  -66.18  324.10  -70.13  217.29
    7.00  -66.15  339.10  -73.87  233.90
    8.00  -66.74  354.10  -77.78  255.11
    9.00  -66.20    9.10  -79.33  288.84
   10.00  -65.78   24.10  -78.25  326.13
   11.00  -65.59   39.10  -74.95  354.65
   12.00  -65.63   54.10  -70.96   14.75
   13.00  -65.89   69.10  -67.17   30.76
   14.00  -66.37   84.10  -63.86   45.03
   15.00  -67.08   99.10  -61.09   58.26
   16.00  -68.01  114.10  -58.97   70.50
   17.00  -69.10  129.10  -57.61   81.75
   18.00  -69.05  144.10  -55.75   91.29
   19.00  -68.41  159.10  -53.83  100.49
   20.00  -67.17  174.10  -51.78  109.80
   21.00  -66.10  189.10  -50.42  119.54
   22.00  -64.98  204.10  -49.64  129.57
   23.00  -63.91  219.10  -49.57  140.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.29  234.10  -59.75  145.66
    1.00  -74.39  249.10  -62.38  153.16
    2.00  -75.37  264.10  -65.19  160.06
    3.00  -77.17  279.10  -68.89  164.32
    4.00  -79.51  294.10  -72.82  164.26
    5.00  -80.30  309.10  -75.63  165.54
    6.00  -79.83  324.10  -78.14  170.11
    7.00  -79.45  339.10  -80.93  172.45
    8.00  -80.03  354.10  -83.40  161.57
    9.00  -79.69    9.10  -85.53  142.02
   10.00  -79.73   24.10  -85.36  104.75
   11.00  -79.48   39.10  -83.32   81.85
   12.00  -79.21   54.10  -80.36   74.56
   13.00  -78.97   69.10  -77.17   74.46
   14.00  -79.01   84.10  -74.16   78.38
   15.00  -78.61   99.10  -71.16   82.12
   16.00  -78.51  114.10  -68.66   87.67
   17.00  -77.36  129.10  -65.61   92.00
   18.00  -77.24  144.10  -63.87   98.81
   19.00  -77.57  159.10  -63.03  106.26
   20.00  -76.94  174.10  -61.66  113.17
   21.00  -75.18  189.10  -59.55  120.43
   22.00  -74.25  204.10  -58.79  128.55
   23.00  -73.43  219.10  -58.68  137.10
</PRE>


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